{"id": "q1630_1d2d_max2d_plus", "question": "Calculate 5 + 91 =", "choices": {"text": ["97", "95", "106", "96"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5965_2d2d_max2d_minus", "question": "Calculate 63 - 63 =", "choices": {"text": ["-1", "1", "0", "10"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q629_1d2d_max2d_minus", "question": "Calculate 0 - 42 =", "choices": {"text": ["-41", "-43", "42", "-42"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q7291_2d2d_max2d_plus", "question": "Calculate 18 + 37 =", "choices": {"text": ["65", "55", "56", "54"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q767_2d1d_max2d_minus", "question": "Calculate 23 - 5 =", "choices": {"text": ["17", "28", "19", "18"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6934_2d2d_max2d_minus", "question": "Calculate 85 - 56 =", "choices": {"text": ["28", "30", "29", "39"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1323_2d1d_max2d_plus", "question": "Calculate 89 + 6 =", "choices": {"text": ["95", "94", "105", "96"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q7373_2d2d_max2d_plus", "question": "Calculate 38 + 54 =", "choices": {"text": ["92", "102", "93", "91"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1714_2d1d_max2d_minus", "question": "Calculate 32 - 5 =", "choices": {"text": ["26", "37", "27", "28"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q85_1d1d_max1d_plus", "question": "Calculate 2 + 5 =", "choices": {"text": ["8", "7", "6", "17"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q6362_2d2d_max2d_minus", "question": "Calculate 68 - 79 =", "choices": {"text": ["-10", "-12", "-11", "11"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q7000_2d2d_max2d_plus", "question": "Calculate 55 + 26 =", "choices": {"text": ["82", "91", "81", "80"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q549_2d1d_max2d_minus", "question": "Calculate 56 - 7 =", "choices": {"text": ["48", "49", "50", "59"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q7246_2d2d_max2d_minus", "question": "Calculate 23 - 43 =", "choices": {"text": ["20", "-20", "-21", "-19"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q7131_2d2d_max2d_minus", "question": "Calculate 54 - 70 =", "choices": {"text": ["-17", "16", "-15", "-16"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5534_2d2d_max2d_minus", "question": "Calculate 33 - 76 =", "choices": {"text": ["43", "-44", "-42", "-43"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6162_2d2d_max2d_plus", "question": "Calculate 21 + 23 =", "choices": {"text": ["44", "45", "43", "54"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5447_2d2d_max2d_plus", "question": "Calculate 56 + 42 =", "choices": {"text": ["99", "97", "98", "108"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1975_2d1d_max2d_minus", "question": "Calculate 75 - 6 =", "choices": {"text": ["68", "70", "69", "79"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q2288_1d2d_max2d_minus", "question": "Calculate 6 - 15 =", "choices": {"text": ["9", "-8", "-9", "-10"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q6727_2d2d_max2d_plus", "question": "Calculate 33 + 27 =", "choices": {"text": ["60", "59", "61", "70"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1020_2d1d_max2d_plus", "question": "Calculate 23 + 9 =", "choices": {"text": ["31", "42", "33", "32"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q2577_2d1d_max2d_minus", "question": "Calculate 86 - 6 =", "choices": {"text": ["81", "80", "90", "79"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q2586_1d2d_max2d_minus", "question": "Calculate 2 - 61 =", "choices": {"text": ["-58", "-59", "59", "-60"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q16_1d1d_max1d_plus", "question": "Calculate 7 + 1 =", "choices": {"text": ["8", "9", "18", "7"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2243_2d1d_max2d_minus", "question": "Calculate 41 - 1 =", "choices": {"text": ["39", "50", "40", "41"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1218_1d2d_max2d_minus", "question": "Calculate 4 - 55 =", "choices": {"text": ["-50", "-52", "-51", "51"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q5801_2d2d_max2d_plus", "question": "Calculate 11 + 69 =", "choices": {"text": ["80", "90", "81", "79"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2136_1d2d_max2d_minus", "question": "Calculate 7 - 61 =", "choices": {"text": ["-55", "-53", "-54", "54"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q779_1d2d_max2d_minus", "question": "Calculate 2 - 98 =", "choices": {"text": ["-97", "-96", "-95", "96"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q6876_2d2d_max2d_minus", "question": "Calculate 53 - 69 =", "choices": {"text": ["-16", "-17", "16", "-15"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q357_1d1d_max1d_minus", "question": "Calculate 3 - 4 =", "choices": {"text": ["-2", "-1", "0", "1"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q7094_2d2d_max2d_plus", "question": "Calculate 32 + 11 =", "choices": {"text": ["42", "43", "44", "53"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q6380_2d2d_max2d_plus", "question": "Calculate 37 + 46 =", "choices": {"text": ["83", "82", "84", "93"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1835_1d2d_max2d_plus", "question": "Calculate 1 + 88 =", "choices": {"text": ["90", "99", "88", "89"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5288_2d2d_max2d_plus", "question": "Calculate 19 + 38 =", "choices": {"text": ["57", "67", "58", "56"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1729_1d2d_max2d_plus", "question": "Calculate 1 + 29 =", "choices": {"text": ["31", "29", "40", "30"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5370_2d2d_max2d_minus", "question": "Calculate 48 - 39 =", "choices": {"text": ["9", "19", "8", "10"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q676_2d1d_max2d_minus", "question": "Calculate 44 - 1 =", "choices": {"text": ["44", "53", "42", "43"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5542_2d2d_max2d_plus", "question": "Calculate 17 + 63 =", "choices": {"text": ["80", "79", "81", "90"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2408_1d2d_max2d_minus", "question": "Calculate 0 - 72 =", "choices": {"text": ["-73", "72", "-72", "-71"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q2242_1d2d_max2d_minus", "question": "Calculate 1 - 41 =", "choices": {"text": ["-40", "-39", "40", "-41"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5618_2d2d_max2d_plus", "question": "Calculate 70 + 26 =", "choices": {"text": ["97", "106", "96", "95"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q7629_2d2d_max2d_minus", "question": "Calculate 14 - 79 =", "choices": {"text": ["-64", "-65", "65", "-66"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q2629_2d1d_max2d_minus", "question": "Calculate 19 - 6 =", "choices": {"text": ["13", "23", "12", "14"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q452_1d2d_max2d_minus", "question": "Calculate 0 - 29 =", "choices": {"text": ["-29", "-28", "29", "-30"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q7218_2d2d_max2d_minus", "question": "Calculate 59 - 29 =", "choices": {"text": ["29", "40", "30", "31"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q2283_2d1d_max2d_minus", "question": "Calculate 51 - 8 =", "choices": {"text": ["44", "42", "53", "43"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5753_2d2d_max2d_minus", "question": "Calculate 53 - 98 =", "choices": {"text": ["-45", "45", "-46", "-44"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q7573_2d2d_max2d_plus", "question": "Calculate 10 + 85 =", "choices": {"text": ["94", "96", "105", "95"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q56_1d1d_max1d_plus", "question": "Calculate 7 + 6 =", "choices": {"text": ["14", "12", "23", "13"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q645_1d2d_max2d_plus", "question": "Calculate 3 + 61 =", "choices": {"text": ["65", "64", "63", "74"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q661_1d2d_max2d_minus", "question": "Calculate 0 - 40 =", "choices": {"text": ["-40", "-41", "-39", "40"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5527_2d2d_max2d_minus", "question": "Calculate 81 - 61 =", "choices": {"text": ["20", "19", "30", "21"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1820_2d1d_max2d_minus", "question": "Calculate 55 - 3 =", "choices": {"text": ["51", "53", "52", "62"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q6807_2d2d_max2d_minus", "question": "Calculate 16 - 64 =", "choices": {"text": ["-48", "-47", "48", "-49"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6117_2d2d_max2d_plus", "question": "Calculate 19 + 68 =", "choices": {"text": ["88", "86", "87", "97"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q5170_2d2d_max2d_minus", "question": "Calculate 33 - 42 =", "choices": {"text": ["9", "-9", "-8", "-10"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q783_1d2d_max2d_minus", "question": "Calculate 5 - 16 =", "choices": {"text": ["-12", "-10", "-11", "11"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q6908_2d2d_max2d_minus", "question": "Calculate 86 - 33 =", "choices": {"text": ["52", "53", "63", "54"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1277_2d1d_max2d_minus", "question": "Calculate 77 - 3 =", "choices": {"text": ["74", "81", "67", "84"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2533_1d2d_max2d_minus", "question": "Calculate 0 - 47 =", "choices": {"text": ["-46", "47", "-48", "-47"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6215_2d2d_max2d_minus", "question": "Calculate 47 - 74 =", "choices": {"text": ["27", "-27", "-26", "-28"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q209_1d1d_max1d_plus", "question": "Calculate 5 + 5 =", "choices": {"text": ["9", "20", "11", "10"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6737_2d2d_max2d_minus", "question": "Calculate 23 - 14 =", "choices": {"text": ["9", "19", "10", "8"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5395_2d2d_max2d_minus", "question": "Calculate 17 - 94 =", "choices": {"text": ["77", "-78", "-76", "-77"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q89_1d1d_max1d_minus", "question": "Calculate 1 - 5 =", "choices": {"text": ["-3", "4", "-5", "-4"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6513_2d2d_max2d_minus", "question": "Calculate 44 - 57 =", "choices": {"text": ["-13", "13", "-14", "-12"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q795_1d2d_max2d_minus", "question": "Calculate 9 - 10 =", "choices": {"text": ["-1", "-2", "1", "0"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6074_2d2d_max2d_minus", "question": "Calculate 66 - 16 =", "choices": {"text": ["50", "51", "49", "60"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5171_2d2d_max2d_minus", "question": "Calculate 42 - 33 =", "choices": {"text": ["9", "19", "10", "8"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5988_2d2d_max2d_plus", "question": "Calculate 24 + 61 =", "choices": {"text": ["86", "84", "85", "95"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q2134_1d2d_max2d_minus", "question": "Calculate 2 - 92 =", "choices": {"text": ["-90", "-91", "90", "-89"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q455_2d1d_max2d_minus", "question": "Calculate 63 - 5 =", "choices": {"text": ["57", "59", "68", "58"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q2068_1d2d_max2d_minus", "question": "Calculate 4 - 83 =", "choices": {"text": ["-78", "-80", "79", "-79"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q449_2d1d_max2d_minus", "question": "Calculate 63 - 9 =", "choices": {"text": ["55", "53", "54", "64"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q5504_2d2d_max2d_minus", "question": "Calculate 96 - 99 =", "choices": {"text": ["3", "-4", "-2", "-3"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q308_1d1d_max1d_plus", "question": "Calculate 0 + 1 =", "choices": {"text": ["0", "2", "1", "11"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q7171_2d2d_max2d_minus", "question": "Calculate 15 - 53 =", "choices": {"text": ["-39", "-38", "38", "-37"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q705_2d1d_max2d_plus", "question": "Calculate 89 + 4 =", "choices": {"text": ["94", "103", "93", "92"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q2137_2d1d_max2d_minus", "question": "Calculate 61 - 7 =", "choices": {"text": ["54", "55", "64", "53"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1206_1d2d_max2d_minus", "question": "Calculate 3 - 84 =", "choices": {"text": ["-81", "-80", "81", "-82"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5310_2d2d_max2d_plus", "question": "Calculate 37 + 13 =", "choices": {"text": ["49", "60", "50", "51"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1923_2d1d_max2d_plus", "question": "Calculate 12 + 3 =", "choices": {"text": ["15", "25", "14", "16"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q620_2d1d_max2d_minus", "question": "Calculate 47 - 8 =", "choices": {"text": ["39", "38", "40", "49"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q432_1d2d_max2d_minus", "question": "Calculate 1 - 39 =", "choices": {"text": ["-39", "38", "-38", "-37"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q7622_2d2d_max2d_minus", "question": "Calculate 32 - 22 =", "choices": {"text": ["11", "10", "9", "20"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q245_1d1d_max1d_plus", "question": "Calculate 2 + 7 =", "choices": {"text": ["9", "8", "10", "19"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q253_1d1d_max1d_minus", "question": "Calculate 6 - 5 =", "choices": {"text": ["0", "1", "11", "2"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q2118_1d2d_max2d_plus", "question": "Calculate 2 + 26 =", "choices": {"text": ["27", "28", "38", "29"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q304_1d1d_max1d_minus", "question": "Calculate 8 - 0 =", "choices": {"text": ["7", "9", "8", "18"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q7426_2d2d_max2d_minus", "question": "Calculate 51 - 82 =", "choices": {"text": ["31", "-31", "-30", "-32"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1992_1d2d_max2d_plus", "question": "Calculate 5 + 30 =", "choices": {"text": ["35", "36", "45", "34"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q922_2d1d_max2d_plus", "question": "Calculate 45 + 2 =", "choices": {"text": ["48", "57", "46", "47"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6743_2d2d_max2d_plus", "question": "Calculate 37 + 53 =", "choices": {"text": ["90", "91", "100", "89"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1234_1d2d_max2d_plus", "question": "Calculate 4 + 53 =", "choices": {"text": ["67", "56", "57", "58"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1264_1d2d_max2d_plus", "question": "Calculate 2 + 77 =", "choices": {"text": ["86", "72", "89", "79"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q7038_2d2d_max2d_plus", "question": "Calculate 12 + 74 =", "choices": {"text": ["87", "96", "86", "85"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q7374_2d2d_max2d_plus", "question": "Calculate 54 + 38 =", "choices": {"text": ["91", "92", "93", "102"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q592_1d2d_max2d_minus", "question": "Calculate 4 - 31 =", "choices": {"text": ["-28", "-26", "27", "-27"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q77_1d1d_max1d_plus", "question": "Calculate 8 + 6 =", "choices": {"text": ["15", "14", "24", "13"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q7135_2d2d_max2d_minus", "question": "Calculate 49 - 69 =", "choices": {"text": ["20", "-19", "-20", "-21"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q430_1d2d_max2d_minus", "question": "Calculate 1 - 43 =", "choices": {"text": ["42", "-42", "-41", "-43"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q5315_2d2d_max2d_minus", "question": "Calculate 21 - 95 =", "choices": {"text": ["-75", "-74", "74", "-73"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1481_1d2d_max2d_plus", "question": "Calculate 7 + 71 =", "choices": {"text": ["71", "85", "88", "78"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q2392_1d2d_max2d_plus", "question": "Calculate 9 + 25 =", "choices": {"text": ["34", "44", "35", "33"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1582_2d1d_max2d_minus", "question": "Calculate 73 - 4 =", "choices": {"text": ["68", "70", "69", "79"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q7066_2d2d_max2d_plus", "question": "Calculate 29 + 56 =", "choices": {"text": ["85", "86", "95", "84"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1181_2d1d_max2d_plus", "question": "Calculate 18 + 6 =", "choices": {"text": ["25", "34", "24", "23"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q6890_2d2d_max2d_minus", "question": "Calculate 48 - 87 =", "choices": {"text": ["-38", "-39", "39", "-40"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q5499_2d2d_max2d_minus", "question": "Calculate 66 - 15 =", "choices": {"text": ["51", "52", "50", "61"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6160_2d2d_max2d_plus", "question": "Calculate 36 + 37 =", "choices": {"text": ["66", "80", "73", "83"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q899_1d2d_max2d_minus", "question": "Calculate 9 - 20 =", "choices": {"text": ["-10", "-12", "-11", "11"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q691_2d1d_max2d_minus", "question": "Calculate 65 - 7 =", "choices": {"text": ["59", "57", "58", "68"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q5712_2d2d_max2d_minus", "question": "Calculate 62 - 50 =", "choices": {"text": ["13", "12", "22", "11"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q249_1d1d_max1d_minus", "question": "Calculate 3 - 0 =", "choices": {"text": ["3", "13", "4", "2"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5722_2d2d_max2d_minus", "question": "Calculate 32 - 51 =", "choices": {"text": ["19", "-19", "-20", "-18"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q6070_2d2d_max2d_minus", "question": "Calculate 62 - 15 =", "choices": {"text": ["48", "46", "47", "57"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q2169_2d1d_max2d_minus", "question": "Calculate 96 - 8 =", "choices": {"text": ["98", "88", "89", "87"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q2402_1d2d_max2d_minus", "question": "Calculate 8 - 25 =", "choices": {"text": ["-16", "-18", "17", "-17"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6377_2d2d_max2d_plus", "question": "Calculate 13 + 38 =", "choices": {"text": ["51", "61", "50", "52"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6772_2d2d_max2d_minus", "question": "Calculate 48 - 30 =", "choices": {"text": ["19", "18", "28", "17"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q7236_2d2d_max2d_minus", "question": "Calculate 62 - 64 =", "choices": {"text": ["-1", "-2", "-3", "2"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1027_1d2d_max2d_minus", "question": "Calculate 6 - 44 =", "choices": {"text": ["38", "-39", "-37", "-38"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5224_2d2d_max2d_plus", "question": "Calculate 43 + 36 =", "choices": {"text": ["79", "89", "72", "86"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6164_2d2d_max2d_minus", "question": "Calculate 77 - 88 =", "choices": {"text": ["-10", "11", "-12", "-11"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6739_2d2d_max2d_minus", "question": "Calculate 77 - 83 =", "choices": {"text": ["-5", "-7", "6", "-6"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1877_2d1d_max2d_plus", "question": "Calculate 19 + 4 =", "choices": {"text": ["23", "24", "22", "33"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1868_1d2d_max2d_plus", "question": "Calculate 8 + 54 =", "choices": {"text": ["62", "72", "61", "63"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2116_1d2d_max2d_plus", "question": "Calculate 2 + 42 =", "choices": {"text": ["45", "44", "43", "54"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1739_1d2d_max2d_plus", "question": "Calculate 8 + 53 =", "choices": {"text": ["61", "60", "62", "71"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5317_2d2d_max2d_minus", "question": "Calculate 98 - 84 =", "choices": {"text": ["24", "13", "15", "14"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5762_2d2d_max2d_minus", "question": "Calculate 68 - 73 =", "choices": {"text": ["-5", "-6", "-4", "5"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1981_2d1d_max2d_minus", "question": "Calculate 52 - 3 =", "choices": {"text": ["50", "48", "49", "59"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q2059_2d1d_max2d_plus", "question": "Calculate 51 + 7 =", "choices": {"text": ["57", "68", "58", "59"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q6249_2d2d_max2d_plus", "question": "Calculate 58 + 15 =", "choices": {"text": ["73", "83", "80", "66"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q901_1d2d_max2d_minus", "question": "Calculate 3 - 17 =", "choices": {"text": ["-14", "14", "-15", "-13"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5358_2d2d_max2d_minus", "question": "Calculate 48 - 76 =", "choices": {"text": ["-29", "-27", "-28", "28"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q847_1d2d_max2d_plus", "question": "Calculate 4 + 84 =", "choices": {"text": ["87", "88", "98", "89"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1844_2d1d_max2d_plus", "question": "Calculate 59 + 7 =", "choices": {"text": ["67", "65", "76", "66"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q2380_2d1d_max2d_minus", "question": "Calculate 25 - 9 =", "choices": {"text": ["26", "15", "16", "17"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q125_1d1d_max1d_plus", "question": "Calculate 9 + 2 =", "choices": {"text": ["10", "12", "11", "21"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1580_2d1d_max2d_minus", "question": "Calculate 11 - 1 =", "choices": {"text": ["9", "11", "10", "20"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q630_2d1d_max2d_minus", "question": "Calculate 42 - 0 =", "choices": {"text": ["52", "41", "42", "43"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q7554_2d2d_max2d_minus", "question": "Calculate 73 - 77 =", "choices": {"text": ["4", "-3", "-4", "-5"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q5992_2d2d_max2d_plus", "question": "Calculate 45 + 32 =", "choices": {"text": ["87", "77", "70", "84"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q6528_2d2d_max2d_minus", "question": "Calculate 36 - 66 =", "choices": {"text": ["30", "-29", "-31", "-30"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1974_1d2d_max2d_minus", "question": "Calculate 6 - 75 =", "choices": {"text": ["69", "-68", "-70", "-69"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q15_1d1d_max1d_plus", "question": "Calculate 8 + 1 =", "choices": {"text": ["10", "8", "9", "19"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1088_1d2d_max2d_minus", "question": "Calculate 1 - 85 =", "choices": {"text": ["-84", "-85", "84", "-83"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q561_2d1d_max2d_plus", "question": "Calculate 49 + 6 =", "choices": {"text": ["54", "56", "55", "65"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q5866_2d2d_max2d_minus", "question": "Calculate 18 - 45 =", "choices": {"text": ["27", "-27", "-28", "-26"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q2024_1d2d_max2d_plus", "question": "Calculate 4 + 36 =", "choices": {"text": ["39", "50", "40", "41"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q5410_2d2d_max2d_minus", "question": "Calculate 31 - 36 =", "choices": {"text": ["-6", "-4", "-5", "5"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1414_1d2d_max2d_plus", "question": "Calculate 2 + 31 =", "choices": {"text": ["34", "33", "32", "43"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q6425_2d2d_max2d_minus", "question": "Calculate 24 - 98 =", "choices": {"text": ["-73", "74", "-74", "-75"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q861_2d1d_max2d_plus", "question": "Calculate 55 + 5 =", "choices": {"text": ["59", "60", "70", "61"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q2558_1d2d_max2d_minus", "question": "Calculate 4 - 94 =", "choices": {"text": ["-89", "90", "-90", "-91"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q844_2d1d_max2d_plus", "question": "Calculate 23 + 7 =", "choices": {"text": ["29", "31", "30", "40"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q428_1d2d_max2d_minus", "question": "Calculate 8 - 80 =", "choices": {"text": ["-71", "72", "-72", "-73"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q468_1d2d_max2d_minus", "question": "Calculate 4 - 71 =", "choices": {"text": ["-68", "-67", "-66", "67"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q7674_2d2d_max2d_minus", "question": "Calculate 36 - 55 =", "choices": {"text": ["19", "-20", "-18", "-19"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1161_2d1d_max2d_minus", "question": "Calculate 36 - 8 =", "choices": {"text": ["38", "28", "29", "27"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q294_1d1d_max1d_minus", "question": "Calculate 6 - 3 =", "choices": {"text": ["2", "4", "3", "13"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q733_2d1d_max2d_minus", "question": "Calculate 92 - 8 =", "choices": {"text": ["84", "94", "83", "85"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1827_1d2d_max2d_plus", "question": "Calculate 1 + 50 =", "choices": {"text": ["61", "51", "52", "50"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q6163_2d2d_max2d_minus", "question": "Calculate 88 - 77 =", "choices": {"text": ["21", "10", "11", "12"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q6943_2d2d_max2d_minus", "question": "Calculate 93 - 20 =", "choices": {"text": ["73", "80", "66", "83"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2445_2d1d_max2d_minus", "question": "Calculate 14 - 7 =", "choices": {"text": ["7", "17", "6", "8"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1581_1d2d_max2d_minus", "question": "Calculate 4 - 73 =", "choices": {"text": ["-69", "69", "-68", "-70"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6102_2d2d_max2d_minus", "question": "Calculate 37 - 36 =", "choices": {"text": ["2", "11", "1", "0"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q7588_2d2d_max2d_minus", "question": "Calculate 61 - 68 =", "choices": {"text": ["7", "-7", "-8", "-6"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q2060_1d2d_max2d_minus", "question": "Calculate 5 - 76 =", "choices": {"text": ["-70", "-71", "71", "-72"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1374_1d2d_max2d_minus", "question": "Calculate 7 - 83 =", "choices": {"text": ["-75", "76", "-77", "-76"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5438_2d2d_max2d_minus", "question": "Calculate 48 - 35 =", "choices": {"text": ["14", "23", "12", "13"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q2127_2d1d_max2d_minus", "question": "Calculate 31 - 2 =", "choices": {"text": ["30", "39", "28", "29"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6693_2d2d_max2d_minus", "question": "Calculate 28 - 30 =", "choices": {"text": ["-2", "-1", "2", "-3"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q643_1d2d_max2d_plus", "question": "Calculate 3 + 24 =", "choices": {"text": ["27", "37", "26", "28"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6398_2d2d_max2d_minus", "question": "Calculate 40 - 84 =", "choices": {"text": ["-44", "-43", "-45", "44"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6717_2d2d_max2d_plus", "question": "Calculate 26 + 56 =", "choices": {"text": ["83", "81", "82", "92"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1932_1d2d_max2d_plus", "question": "Calculate 4 + 82 =", "choices": {"text": ["87", "96", "86", "85"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q6011_2d2d_max2d_minus", "question": "Calculate 94 - 54 =", "choices": {"text": ["41", "50", "40", "39"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q6639_2d2d_max2d_minus", "question": "Calculate 45 - 22 =", "choices": {"text": ["22", "24", "33", "23"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1015_1d2d_max2d_plus", "question": "Calculate 1 + 33 =", "choices": {"text": ["35", "33", "44", "34"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q7285_2d2d_max2d_minus", "question": "Calculate 70 - 61 =", "choices": {"text": ["19", "8", "9", "10"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q510_1d2d_max2d_minus", "question": "Calculate 9 - 70 =", "choices": {"text": ["-61", "-60", "61", "-62"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1496_2d1d_max2d_minus", "question": "Calculate 47 - 5 =", "choices": {"text": ["41", "52", "43", "42"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q7634_2d2d_max2d_plus", "question": "Calculate 39 + 12 =", "choices": {"text": ["61", "50", "52", "51"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q2336_2d1d_max2d_minus", "question": "Calculate 70 - 7 =", "choices": {"text": ["63", "62", "73", "64"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1538_1d2d_max2d_plus", "question": "Calculate 6 + 11 =", "choices": {"text": ["27", "17", "18", "16"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q7517_2d2d_max2d_minus", "question": "Calculate 11 - 41 =", "choices": {"text": ["-30", "-31", "30", "-29"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1696_2d1d_max2d_minus", "question": "Calculate 63 - 2 =", "choices": {"text": ["71", "62", "60", "61"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q2104_1d2d_max2d_minus", "question": "Calculate 3 - 78 =", "choices": {"text": ["-74", "-75", "-76", "75"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q912_2d1d_max2d_minus", "question": "Calculate 61 - 8 =", "choices": {"text": ["54", "63", "53", "52"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q7404_2d2d_max2d_minus", "question": "Calculate 52 - 30 =", "choices": {"text": ["22", "32", "23", "21"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5411_2d2d_max2d_minus", "question": "Calculate 36 - 31 =", "choices": {"text": ["6", "4", "15", "5"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q166_1d1d_max1d_minus", "question": "Calculate 0 - 7 =", "choices": {"text": ["-7", "-6", "-8", "7"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q942_2d1d_max2d_minus", "question": "Calculate 50 - 7 =", "choices": {"text": ["53", "42", "43", "44"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q5823_2d2d_max2d_plus", "question": "Calculate 26 + 23 =", "choices": {"text": ["59", "49", "48", "50"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q2369_1d2d_max2d_plus", "question": "Calculate 3 + 44 =", "choices": {"text": ["57", "46", "47", "48"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q6617_2d2d_max2d_plus", "question": "Calculate 50 + 34 =", "choices": {"text": ["84", "83", "94", "85"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q990_2d1d_max2d_plus", "question": "Calculate 63 + 6 =", "choices": {"text": ["70", "79", "68", "69"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q448_1d2d_max2d_minus", "question": "Calculate 9 - 63 =", "choices": {"text": ["54", "-53", "-54", "-55"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q485_2d1d_max2d_minus", "question": "Calculate 84 - 0 =", "choices": {"text": ["85", "83", "84", "94"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q5354_2d2d_max2d_plus", "question": "Calculate 65 + 27 =", "choices": {"text": ["93", "91", "92", "102"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q5509_2d2d_max2d_minus", "question": "Calculate 10 - 62 =", "choices": {"text": ["-52", "52", "-53", "-51"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5885_2d2d_max2d_minus", "question": "Calculate 17 - 53 =", "choices": {"text": ["36", "-36", "-35", "-37"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1383_2d1d_max2d_plus", "question": "Calculate 70 + 4 =", "choices": {"text": ["81", "67", "84", "74"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q603_2d1d_max2d_minus", "question": "Calculate 76 - 9 =", "choices": {"text": ["67", "68", "66", "77"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6394_2d2d_max2d_minus", "question": "Calculate 30 - 75 =", "choices": {"text": ["-44", "-46", "45", "-45"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6229_2d2d_max2d_minus", "question": "Calculate 61 - 93 =", "choices": {"text": ["32", "-31", "-32", "-33"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q2107_2d1d_max2d_minus", "question": "Calculate 64 - 5 =", "choices": {"text": ["69", "60", "58", "59"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q373_1d1d_max1d_minus", "question": "Calculate 1 - 1 =", "choices": {"text": ["10", "-1", "1", "0"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q7413_2d2d_max2d_minus", "question": "Calculate 71 - 41 =", "choices": {"text": ["31", "29", "40", "30"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1550_1d2d_max2d_minus", "question": "Calculate 7 - 13 =", "choices": {"text": ["6", "-5", "-7", "-6"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1170_1d2d_max2d_minus", "question": "Calculate 7 - 29 =", "choices": {"text": ["22", "-23", "-21", "-22"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1167_2d1d_max2d_minus", "question": "Calculate 69 - 7 =", "choices": {"text": ["61", "62", "63", "72"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q7410_2d2d_max2d_plus", "question": "Calculate 81 + 13 =", "choices": {"text": ["93", "94", "104", "95"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q6535_2d2d_max2d_plus", "question": "Calculate 10 + 54 =", "choices": {"text": ["64", "63", "74", "65"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q73_1d1d_max1d_minus", "question": "Calculate 4 - 7 =", "choices": {"text": ["-2", "3", "-3", "-4"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q6072_2d2d_max2d_plus", "question": "Calculate 58 + 29 =", "choices": {"text": ["87", "86", "88", "97"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q692_1d2d_max2d_minus", "question": "Calculate 3 - 31 =", "choices": {"text": ["28", "-27", "-29", "-28"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5181_2d2d_max2d_minus", "question": "Calculate 84 - 66 =", "choices": {"text": ["17", "19", "18", "28"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q130_1d1d_max1d_minus", "question": "Calculate 6 - 0 =", "choices": {"text": ["6", "5", "16", "7"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5_1d1d_max1d_plus", "question": "Calculate 1 + 5 =", "choices": {"text": ["6", "16", "7", "5"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5203_2d2d_max2d_minus", "question": "Calculate 67 - 39 =", "choices": {"text": ["28", "29", "27", "38"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q7159_2d2d_max2d_plus", "question": "Calculate 74 + 15 =", "choices": {"text": ["99", "90", "89", "88"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q6552_2d2d_max2d_plus", "question": "Calculate 67 + 20 =", "choices": {"text": ["88", "97", "87", "86"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q787_1d2d_max2d_minus", "question": "Calculate 5 - 80 =", "choices": {"text": ["-75", "-74", "75", "-76"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2326_2d1d_max2d_minus", "question": "Calculate 16 - 1 =", "choices": {"text": ["15", "25", "14", "16"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2313_1d2d_max2d_plus", "question": "Calculate 3 + 66 =", "choices": {"text": ["68", "69", "79", "70"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q2329_1d2d_max2d_plus", "question": "Calculate 1 + 32 =", "choices": {"text": ["32", "33", "34", "43"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q462_1d2d_max2d_minus", "question": "Calculate 5 - 35 =", "choices": {"text": ["-31", "-29", "30", "-30"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6507_2d2d_max2d_plus", "question": "Calculate 11 + 68 =", "choices": {"text": ["72", "89", "79", "86"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q874_2d1d_max2d_minus", "question": "Calculate 79 - 7 =", "choices": {"text": ["72", "65", "79", "82"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q911_1d2d_max2d_minus", "question": "Calculate 8 - 61 =", "choices": {"text": ["-53", "-54", "53", "-52"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q7163_2d2d_max2d_minus", "question": "Calculate 37 - 79 =", "choices": {"text": ["-42", "-41", "-43", "42"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q43_1d1d_max1d_plus", "question": "Calculate 0 + 6 =", "choices": {"text": ["5", "7", "16", "6"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5862_2d2d_max2d_plus", "question": "Calculate 44 + 31 =", "choices": {"text": ["68", "85", "82", "75"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q500_1d2d_max2d_plus", "question": "Calculate 0 + 78 =", "choices": {"text": ["78", "88", "71", "85"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q324_1d1d_max1d_plus", "question": "Calculate 2 + 6 =", "choices": {"text": ["8", "9", "7", "18"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q928_2d1d_max2d_plus", "question": "Calculate 77 + 9 =", "choices": {"text": ["87", "86", "96", "85"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q2061_2d1d_max2d_minus", "question": "Calculate 76 - 5 =", "choices": {"text": ["71", "81", "78", "64"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q887_1d2d_max2d_minus", "question": "Calculate 1 - 28 =", "choices": {"text": ["-27", "-28", "27", "-26"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1801_1d2d_max2d_minus", "question": "Calculate 9 - 47 =", "choices": {"text": ["-37", "38", "-39", "-38"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1134_1d2d_max2d_plus", "question": "Calculate 4 + 62 =", "choices": {"text": ["76", "67", "65", "66"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5462_2d2d_max2d_minus", "question": "Calculate 52 - 41 =", "choices": {"text": ["21", "10", "12", "11"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1607_1d2d_max2d_minus", "question": "Calculate 7 - 88 =", "choices": {"text": ["-80", "81", "-82", "-81"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1753_1d2d_max2d_plus", "question": "Calculate 2 + 49 =", "choices": {"text": ["61", "52", "50", "51"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1018_2d1d_max2d_minus", "question": "Calculate 73 - 2 =", "choices": {"text": ["71", "81", "64", "78"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2412_1d2d_max2d_plus", "question": "Calculate 6 + 50 =", "choices": {"text": ["57", "56", "66", "55"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1728_2d1d_max2d_plus", "question": "Calculate 48 + 2 =", "choices": {"text": ["49", "60", "50", "51"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q5416_2d2d_max2d_minus", "question": "Calculate 28 - 37 =", "choices": {"text": ["-10", "-9", "9", "-8"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1708_2d1d_max2d_plus", "question": "Calculate 74 + 1 =", "choices": {"text": ["82", "85", "75", "68"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q5394_2d2d_max2d_minus", "question": "Calculate 94 - 17 =", "choices": {"text": ["84", "77", "70", "87"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q5696_2d2d_max2d_plus", "question": "Calculate 53 + 25 =", "choices": {"text": ["78", "85", "88", "71"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6071_2d2d_max2d_plus", "question": "Calculate 29 + 58 =", "choices": {"text": ["86", "88", "87", "97"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1962_1d2d_max2d_minus", "question": "Calculate 8 - 16 =", "choices": {"text": ["-9", "-7", "-8", "8"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q2534_2d1d_max2d_minus", "question": "Calculate 47 - 0 =", "choices": {"text": ["48", "47", "57", "46"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q7172_2d2d_max2d_minus", "question": "Calculate 53 - 15 =", "choices": {"text": ["48", "37", "38", "39"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q7188_2d2d_max2d_plus", "question": "Calculate 72 + 10 =", "choices": {"text": ["82", "81", "83", "92"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6124_2d2d_max2d_minus", "question": "Calculate 74 - 18 =", "choices": {"text": ["66", "56", "55", "57"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1476_2d1d_max2d_plus", "question": "Calculate 51 + 5 =", "choices": {"text": ["55", "66", "57", "56"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1053_2d1d_max2d_minus", "question": "Calculate 82 - 2 =", "choices": {"text": ["80", "81", "90", "79"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2341_1d2d_max2d_minus", "question": "Calculate 7 - 37 =", "choices": {"text": ["-30", "30", "-31", "-29"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5448_2d2d_max2d_minus", "question": "Calculate 25 - 47 =", "choices": {"text": ["-23", "-21", "-22", "22"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q7528_2d2d_max2d_minus", "question": "Calculate 48 - 82 =", "choices": {"text": ["-35", "-34", "-33", "34"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q91_1d1d_max1d_minus", "question": "Calculate 3 - 1 =", "choices": {"text": ["12", "3", "1", "2"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q78_1d1d_max1d_minus", "question": "Calculate 1 - 6 =", "choices": {"text": ["-6", "-4", "-5", "5"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q7672_2d2d_max2d_plus", "question": "Calculate 57 + 30 =", "choices": {"text": ["86", "87", "88", "97"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1242_1d2d_max2d_minus", "question": "Calculate 3 - 64 =", "choices": {"text": ["-60", "61", "-62", "-61"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q7160_2d2d_max2d_plus", "question": "Calculate 15 + 74 =", "choices": {"text": ["99", "88", "90", "89"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1039_1d2d_max2d_minus", "question": "Calculate 6 - 99 =", "choices": {"text": ["-92", "-94", "-93", "93"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1419_2d1d_max2d_minus", "question": "Calculate 43 - 7 =", "choices": {"text": ["46", "35", "37", "36"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q309_1d1d_max1d_plus", "question": "Calculate 1 + 2 =", "choices": {"text": ["2", "4", "13", "3"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5533_2d2d_max2d_minus", "question": "Calculate 87 - 17 =", "choices": {"text": ["80", "70", "77", "63"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q5223_2d2d_max2d_minus", "question": "Calculate 35 - 62 =", "choices": {"text": ["-26", "-28", "-27", "27"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q5997_2d2d_max2d_minus", "question": "Calculate 10 - 78 =", "choices": {"text": ["68", "-69", "-68", "-67"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q859_2d1d_max2d_minus", "question": "Calculate 59 - 5 =", "choices": {"text": ["55", "53", "54", "64"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q6866_2d2d_max2d_minus", "question": "Calculate 46 - 10 =", "choices": {"text": ["46", "36", "35", "37"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q2617_2d1d_max2d_plus", "question": "Calculate 84 + 7 =", "choices": {"text": ["101", "90", "92", "91"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1469_1d2d_max2d_plus", "question": "Calculate 9 + 54 =", "choices": {"text": ["62", "73", "64", "63"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q7435_2d2d_max2d_minus", "question": "Calculate 83 - 69 =", "choices": {"text": ["24", "13", "15", "14"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q2117_2d1d_max2d_plus", "question": "Calculate 42 + 2 =", "choices": {"text": ["44", "43", "45", "54"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q497_2d1d_max2d_minus", "question": "Calculate 89 - 4 =", "choices": {"text": ["95", "85", "86", "84"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q616_2d1d_max2d_minus", "question": "Calculate 19 - 8 =", "choices": {"text": ["12", "21", "10", "11"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q7509_2d2d_max2d_minus", "question": "Calculate 20 - 56 =", "choices": {"text": ["-35", "36", "-36", "-37"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q6917_2d2d_max2d_plus", "question": "Calculate 34 + 57 =", "choices": {"text": ["91", "101", "92", "90"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1519_1d2d_max2d_plus", "question": "Calculate 1 + 98 =", "choices": {"text": ["99", "98", "100", "109"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q446_1d2d_max2d_plus", "question": "Calculate 6 + 52 =", "choices": {"text": ["68", "58", "57", "59"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1412_1d2d_max2d_minus", "question": "Calculate 9 - 95 =", "choices": {"text": ["-87", "86", "-86", "-85"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q5583_2d2d_max2d_minus", "question": "Calculate 42 - 77 =", "choices": {"text": ["-34", "-36", "-35", "35"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q2368_2d1d_max2d_minus", "question": "Calculate 75 - 9 =", "choices": {"text": ["66", "67", "76", "65"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6244_2d2d_max2d_minus", "question": "Calculate 81 - 10 =", "choices": {"text": ["64", "71", "81", "78"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1669_2d1d_max2d_plus", "question": "Calculate 35 + 1 =", "choices": {"text": ["37", "36", "35", "46"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1993_2d1d_max2d_plus", "question": "Calculate 30 + 5 =", "choices": {"text": ["35", "45", "34", "36"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5763_2d2d_max2d_minus", "question": "Calculate 73 - 68 =", "choices": {"text": ["6", "5", "15", "4"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q7304_2d2d_max2d_minus", "question": "Calculate 70 - 88 =", "choices": {"text": ["18", "-18", "-17", "-19"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1983_2d1d_max2d_plus", "question": "Calculate 19 + 9 =", "choices": {"text": ["38", "29", "27", "28"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q873_1d2d_max2d_minus", "question": "Calculate 7 - 79 =", "choices": {"text": ["-72", "-71", "-73", "72"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q7580_2d2d_max2d_minus", "question": "Calculate 28 - 64 =", "choices": {"text": ["36", "-37", "-36", "-35"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q989_1d2d_max2d_plus", "question": "Calculate 6 + 63 =", "choices": {"text": ["68", "79", "70", "69"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q839_1d2d_max2d_minus", "question": "Calculate 7 - 28 =", "choices": {"text": ["-22", "-20", "21", "-21"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1132_1d2d_max2d_minus", "question": "Calculate 0 - 82 =", "choices": {"text": ["-83", "-81", "-82", "82"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q403_2d1d_max2d_plus", "question": "Calculate 94 + 3 =", "choices": {"text": ["97", "98", "96", "107"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1916_1d2d_max2d_minus", "question": "Calculate 5 - 69 =", "choices": {"text": ["64", "-65", "-63", "-64"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1389_2d1d_max2d_minus", "question": "Calculate 98 - 8 =", "choices": {"text": ["100", "91", "89", "90"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q959_2d1d_max2d_plus", "question": "Calculate 54 + 7 =", "choices": {"text": ["71", "60", "61", "62"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q7579_2d2d_max2d_minus", "question": "Calculate 64 - 28 =", "choices": {"text": ["36", "35", "46", "37"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5688_2d2d_max2d_minus", "question": "Calculate 71 - 44 =", "choices": {"text": ["37", "27", "28", "26"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q2165_2d1d_max2d_minus", "question": "Calculate 77 - 6 =", "choices": {"text": ["71", "81", "64", "78"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1795_1d2d_max2d_plus", "question": "Calculate 1 + 49 =", "choices": {"text": ["60", "49", "51", "50"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6470_2d2d_max2d_plus", "question": "Calculate 45 + 37 =", "choices": {"text": ["81", "82", "92", "83"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q7415_2d2d_max2d_plus", "question": "Calculate 75 + 11 =", "choices": {"text": ["96", "85", "86", "87"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q2195_2d1d_max2d_minus", "question": "Calculate 84 - 6 =", "choices": {"text": ["71", "85", "78", "88"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q6424_2d2d_max2d_minus", "question": "Calculate 98 - 24 =", "choices": {"text": ["67", "81", "74", "84"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q2373_1d2d_max2d_minus", "question": "Calculate 6 - 51 =", "choices": {"text": ["-46", "45", "-45", "-44"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q321_1d1d_max1d_minus", "question": "Calculate 9 - 5 =", "choices": {"text": ["5", "4", "14", "3"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1309_2d1d_max2d_plus", "question": "Calculate 90 + 2 =", "choices": {"text": ["92", "91", "102", "93"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2237_2d1d_max2d_minus", "question": "Calculate 48 - 8 =", "choices": {"text": ["39", "50", "41", "40"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q694_1d2d_max2d_minus", "question": "Calculate 5 - 51 =", "choices": {"text": ["-47", "-46", "46", "-45"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q5335_2d2d_max2d_minus", "question": "Calculate 65 - 90 =", "choices": {"text": ["25", "-25", "-24", "-26"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q883_1d2d_max2d_minus", "question": "Calculate 0 - 18 =", "choices": {"text": ["-19", "18", "-17", "-18"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1056_1d2d_max2d_plus", "question": "Calculate 0 + 14 =", "choices": {"text": ["13", "24", "15", "14"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6193_2d2d_max2d_minus", "question": "Calculate 33 - 32 =", "choices": {"text": ["1", "2", "0", "11"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2422_1d2d_max2d_plus", "question": "Calculate 5 + 62 =", "choices": {"text": ["77", "67", "66", "68"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q2040_1d2d_max2d_plus", "question": "Calculate 4 + 76 =", "choices": {"text": ["80", "90", "79", "81"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q377_1d1d_max1d_plus", "question": "Calculate 4 + 9 =", "choices": {"text": ["14", "13", "12", "23"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q346_1d1d_max1d_plus", "question": "Calculate 0 + 5 =", "choices": {"text": ["6", "5", "4", "15"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q6034_2d2d_max2d_minus", "question": "Calculate 44 - 47 =", "choices": {"text": ["3", "-2", "-4", "-3"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q958_1d2d_max2d_plus", "question": "Calculate 7 + 54 =", "choices": {"text": ["61", "71", "62", "60"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2609_2d1d_max2d_plus", "question": "Calculate 30 + 9 =", "choices": {"text": ["40", "38", "49", "39"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q193_1d1d_max1d_minus", "question": "Calculate 2 - 4 =", "choices": {"text": ["-3", "2", "-2", "-1"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1148_1d2d_max2d_plus", "question": "Calculate 5 + 84 =", "choices": {"text": ["88", "89", "99", "90"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1704_2d1d_max2d_minus", "question": "Calculate 41 - 4 =", "choices": {"text": ["38", "37", "36", "47"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q6620_2d2d_max2d_plus", "question": "Calculate 44 + 55 =", "choices": {"text": ["100", "98", "109", "99"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q7325_2d2d_max2d_minus", "question": "Calculate 39 - 98 =", "choices": {"text": ["-58", "-59", "59", "-60"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q5286_2d2d_max2d_minus", "question": "Calculate 53 - 80 =", "choices": {"text": ["-26", "-27", "27", "-28"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q429_2d1d_max2d_minus", "question": "Calculate 80 - 8 =", "choices": {"text": ["65", "82", "79", "72"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1194_1d2d_max2d_minus", "question": "Calculate 7 - 92 =", "choices": {"text": ["85", "-85", "-84", "-86"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q2472_1d2d_max2d_minus", "question": "Calculate 7 - 85 =", "choices": {"text": ["78", "-78", "-79", "-77"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q392_1d2d_max2d_minus", "question": "Calculate 3 - 65 =", "choices": {"text": ["-63", "-62", "62", "-61"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q5511_2d2d_max2d_minus", "question": "Calculate 12 - 68 =", "choices": {"text": ["56", "-57", "-55", "-56"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5259_2d2d_max2d_minus", "question": "Calculate 44 - 74 =", "choices": {"text": ["30", "-30", "-29", "-31"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q5711_2d2d_max2d_minus", "question": "Calculate 51 - 85 =", "choices": {"text": ["-33", "-35", "-34", "34"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q6877_2d2d_max2d_minus", "question": "Calculate 69 - 53 =", "choices": {"text": ["16", "26", "17", "15"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q7212_2d2d_max2d_plus", "question": "Calculate 26 + 28 =", "choices": {"text": ["54", "55", "64", "53"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2594_1d2d_max2d_plus", "question": "Calculate 1 + 47 =", "choices": {"text": ["48", "58", "49", "47"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5820_2d2d_max2d_plus", "question": "Calculate 37 + 14 =", "choices": {"text": ["52", "61", "51", "50"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q2454_1d2d_max2d_minus", "question": "Calculate 7 - 95 =", "choices": {"text": ["-87", "-89", "-88", "88"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q7337_2d2d_max2d_minus", "question": "Calculate 96 - 14 =", "choices": {"text": ["82", "81", "83", "92"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6227_2d2d_max2d_minus", "question": "Calculate 62 - 30 =", "choices": {"text": ["33", "42", "32", "31"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q168_1d1d_max1d_plus", "question": "Calculate 1 + 9 =", "choices": {"text": ["11", "20", "9", "10"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5752_2d2d_max2d_minus", "question": "Calculate 98 - 53 =", "choices": {"text": ["44", "55", "45", "46"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q977_2d1d_max2d_plus", "question": "Calculate 39 + 6 =", "choices": {"text": ["46", "55", "44", "45"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q444_1d2d_max2d_plus", "question": "Calculate 8 + 57 =", "choices": {"text": ["66", "65", "75", "64"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q2608_1d2d_max2d_plus", "question": "Calculate 9 + 30 =", "choices": {"text": ["40", "49", "39", "38"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q5642_2d2d_max2d_plus", "question": "Calculate 36 + 38 =", "choices": {"text": ["67", "84", "81", "74"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q463_2d1d_max2d_minus", "question": "Calculate 35 - 5 =", "choices": {"text": ["29", "30", "31", "40"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q7170_2d2d_max2d_minus", "question": "Calculate 57 - 79 =", "choices": {"text": ["-21", "-22", "-23", "22"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1930_1d2d_max2d_minus", "question": "Calculate 8 - 63 =", "choices": {"text": ["-56", "-55", "-54", "55"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q7211_2d2d_max2d_plus", "question": "Calculate 28 + 26 =", "choices": {"text": ["54", "64", "55", "53"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q675_1d2d_max2d_minus", "question": "Calculate 1 - 44 =", "choices": {"text": ["-43", "-44", "-42", "43"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q402_1d2d_max2d_plus", "question": "Calculate 3 + 94 =", "choices": {"text": ["96", "107", "97", "98"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q973_2d1d_max2d_plus", "question": "Calculate 83 + 4 =", "choices": {"text": ["88", "87", "86", "97"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q6167_2d2d_max2d_minus", "question": "Calculate 85 - 76 =", "choices": {"text": ["10", "8", "19", "9"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6842_2d2d_max2d_minus", "question": "Calculate 10 - 97 =", "choices": {"text": ["-86", "87", "-88", "-87"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1372_1d2d_max2d_plus", "question": "Calculate 1 + 53 =", "choices": {"text": ["55", "64", "53", "54"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6288_2d2d_max2d_minus", "question": "Calculate 19 - 83 =", "choices": {"text": ["-65", "-63", "-64", "64"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q964_1d2d_max2d_minus", "question": "Calculate 5 - 33 =", "choices": {"text": ["28", "-28", "-29", "-27"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1786_2d1d_max2d_minus", "question": "Calculate 50 - 5 =", "choices": {"text": ["46", "45", "44", "55"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q221_1d1d_max1d_minus", "question": "Calculate 3 - 2 =", "choices": {"text": ["0", "1", "2", "11"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q349_1d1d_max1d_minus", "question": "Calculate 0 - 4 =", "choices": {"text": ["-4", "4", "-5", "-3"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1566_2d1d_max2d_minus", "question": "Calculate 85 - 0 =", "choices": {"text": ["95", "86", "84", "85"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q298_1d1d_max1d_plus", "question": "Calculate 4 + 6 =", "choices": {"text": ["11", "10", "9", "20"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q5937_2d2d_max2d_plus", "question": "Calculate 19 + 12 =", "choices": {"text": ["32", "30", "41", "31"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1121_2d1d_max2d_plus", "question": "Calculate 57 + 9 =", "choices": {"text": ["67", "66", "65", "76"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q336_1d1d_max1d_minus", "question": "Calculate 4 - 4 =", "choices": {"text": ["10", "1", "-1", "0"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q2475_2d1d_max2d_minus", "question": "Calculate 71 - 3 =", "choices": {"text": ["67", "78", "69", "68"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q2280_1d2d_max2d_minus", "question": "Calculate 8 - 18 =", "choices": {"text": ["10", "-9", "-10", "-11"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q6166_2d2d_max2d_plus", "question": "Calculate 44 + 38 =", "choices": {"text": ["82", "92", "81", "83"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5357_2d2d_max2d_minus", "question": "Calculate 36 - 87 =", "choices": {"text": ["-50", "-52", "51", "-51"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1579_1d2d_max2d_minus", "question": "Calculate 1 - 11 =", "choices": {"text": ["-9", "10", "-11", "-10"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q381_1d1d_max1d_plus", "question": "Calculate 9 + 7 =", "choices": {"text": ["15", "16", "26", "17"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1953_2d1d_max2d_minus", "question": "Calculate 44 - 2 =", "choices": {"text": ["42", "52", "43", "41"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6216_2d2d_max2d_minus", "question": "Calculate 74 - 47 =", "choices": {"text": ["26", "37", "27", "28"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q5794_2d2d_max2d_minus", "question": "Calculate 51 - 26 =", "choices": {"text": ["24", "25", "35", "26"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q6123_2d2d_max2d_minus", "question": "Calculate 18 - 74 =", "choices": {"text": ["-55", "56", "-57", "-56"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q167_1d1d_max1d_minus", "question": "Calculate 7 - 0 =", "choices": {"text": ["6", "8", "7", "17"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q662_2d1d_max2d_minus", "question": "Calculate 40 - 0 =", "choices": {"text": ["50", "39", "41", "40"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1829_1d2d_max2d_plus", "question": "Calculate 5 + 77 =", "choices": {"text": ["92", "82", "83", "81"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1796_2d1d_max2d_plus", "question": "Calculate 49 + 1 =", "choices": {"text": ["49", "60", "50", "51"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1007_1d2d_max2d_plus", "question": "Calculate 0 + 33 =", "choices": {"text": ["43", "34", "32", "33"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5470_2d2d_max2d_minus", "question": "Calculate 17 - 19 =", "choices": {"text": ["2", "-1", "-3", "-2"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6287_2d2d_max2d_minus", "question": "Calculate 83 - 19 =", "choices": {"text": ["74", "65", "63", "64"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1860_2d1d_max2d_minus", "question": "Calculate 25 - 1 =", "choices": {"text": ["24", "34", "25", "23"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6174_2d2d_max2d_minus", "question": "Calculate 46 - 62 =", "choices": {"text": ["-15", "16", "-16", "-17"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q5848_2d2d_max2d_minus", "question": "Calculate 32 - 43 =", "choices": {"text": ["-10", "-11", "11", "-12"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q2397_2d1d_max2d_minus", "question": "Calculate 78 - 2 =", "choices": {"text": ["83", "86", "69", "76"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5359_2d2d_max2d_minus", "question": "Calculate 76 - 48 =", "choices": {"text": ["29", "28", "38", "27"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q843_1d2d_max2d_plus", "question": "Calculate 7 + 23 =", "choices": {"text": ["31", "40", "29", "30"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q7_1d1d_max1d_plus", "question": "Calculate 3 + 0 =", "choices": {"text": ["4", "13", "3", "2"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q6304_2d2d_max2d_minus", "question": "Calculate 92 - 37 =", "choices": {"text": ["54", "56", "65", "55"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1037_1d2d_max2d_plus", "question": "Calculate 3 + 74 =", "choices": {"text": ["84", "70", "87", "77"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q2192_1d2d_max2d_plus", "question": "Calculate 7 + 27 =", "choices": {"text": ["44", "35", "34", "33"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q14_1d1d_max1d_plus", "question": "Calculate 1 + 8 =", "choices": {"text": ["19", "10", "8", "9"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1817_1d2d_max2d_plus", "question": "Calculate 1 + 16 =", "choices": {"text": ["17", "27", "16", "18"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q7055_2d2d_max2d_minus", "question": "Calculate 67 - 74 =", "choices": {"text": ["-7", "-8", "-6", "7"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6080_2d2d_max2d_plus", "question": "Calculate 69 + 10 =", "choices": {"text": ["79", "89", "86", "72"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5724_2d2d_max2d_minus", "question": "Calculate 33 - 30 =", "choices": {"text": ["13", "2", "3", "4"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1182_1d2d_max2d_minus", "question": "Calculate 2 - 88 =", "choices": {"text": ["-85", "-86", "-87", "86"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q5204_2d2d_max2d_plus", "question": "Calculate 18 + 72 =", "choices": {"text": ["91", "89", "100", "90"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q687_2d1d_max2d_plus", "question": "Calculate 55 + 1 =", "choices": {"text": ["55", "66", "56", "57"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1384_1d2d_max2d_minus", "question": "Calculate 6 - 35 =", "choices": {"text": ["-28", "29", "-29", "-30"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1352_1d2d_max2d_minus", "question": "Calculate 6 - 62 =", "choices": {"text": ["-55", "-56", "56", "-57"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q5595_2d2d_max2d_minus", "question": "Calculate 17 - 97 =", "choices": {"text": ["80", "-81", "-80", "-79"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q7603_2d2d_max2d_minus", "question": "Calculate 46 - 32 =", "choices": {"text": ["15", "14", "24", "13"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1009_1d2d_max2d_minus", "question": "Calculate 6 - 54 =", "choices": {"text": ["-49", "-47", "-48", "48"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1808_2d1d_max2d_minus", "question": "Calculate 11 - 4 =", "choices": {"text": ["17", "6", "8", "7"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6077_2d2d_max2d_plus", "question": "Calculate 20 + 76 =", "choices": {"text": ["96", "95", "106", "97"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2098_1d2d_max2d_plus", "question": "Calculate 0 + 83 =", "choices": {"text": ["84", "83", "82", "93"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q7183_2d2d_max2d_minus", "question": "Calculate 35 - 82 =", "choices": {"text": ["-48", "-46", "47", "-47"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q7640_2d2d_max2d_minus", "question": "Calculate 85 - 39 =", "choices": {"text": ["56", "46", "45", "47"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q7498_2d2d_max2d_plus", "question": "Calculate 19 + 40 =", "choices": {"text": ["58", "60", "59", "69"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q6048_2d2d_max2d_minus", "question": "Calculate 15 - 52 =", "choices": {"text": ["-36", "37", "-37", "-38"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q2187_2d1d_max2d_plus", "question": "Calculate 41 + 7 =", "choices": {"text": ["47", "49", "58", "48"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6189_2d2d_max2d_minus", "question": "Calculate 70 - 48 =", "choices": {"text": ["21", "23", "22", "32"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q6592_2d2d_max2d_minus", "question": "Calculate 23 - 20 =", "choices": {"text": ["13", "2", "4", "3"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1347_2d1d_max2d_minus", "question": "Calculate 90 - 0 =", "choices": {"text": ["100", "90", "89", "91"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q6408_2d2d_max2d_minus", "question": "Calculate 64 - 37 =", "choices": {"text": ["26", "27", "37", "28"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1432_2d1d_max2d_minus", "question": "Calculate 94 - 9 =", "choices": {"text": ["84", "95", "85", "86"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q6259_2d2d_max2d_minus", "question": "Calculate 83 - 30 =", "choices": {"text": ["54", "52", "63", "53"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6887_2d2d_max2d_minus", "question": "Calculate 63 - 90 =", "choices": {"text": ["-28", "27", "-27", "-26"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q5594_2d2d_max2d_minus", "question": "Calculate 97 - 17 =", "choices": {"text": ["90", "80", "79", "81"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q6618_2d2d_max2d_plus", "question": "Calculate 71 + 28 =", "choices": {"text": ["99", "98", "109", "100"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6595_2d2d_max2d_minus", "question": "Calculate 45 - 92 =", "choices": {"text": ["-47", "47", "-46", "-48"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2231_2d1d_max2d_plus", "question": "Calculate 38 + 4 =", "choices": {"text": ["52", "41", "43", "42"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q7073_2d2d_max2d_plus", "question": "Calculate 47 + 52 =", "choices": {"text": ["99", "100", "98", "109"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2515_1d2d_max2d_minus", "question": "Calculate 3 - 29 =", "choices": {"text": ["-27", "-25", "-26", "26"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q932_2d1d_max2d_plus", "question": "Calculate 21 + 7 =", "choices": {"text": ["29", "38", "27", "28"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q2151_2d1d_max2d_minus", "question": "Calculate 68 - 1 =", "choices": {"text": ["68", "67", "77", "66"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q2579_2d1d_max2d_minus", "question": "Calculate 68 - 7 =", "choices": {"text": ["61", "62", "71", "60"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6803_2d2d_max2d_minus", "question": "Calculate 68 - 52 =", "choices": {"text": ["26", "15", "17", "16"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q18_1d1d_max1d_minus", "question": "Calculate 8 - 1 =", "choices": {"text": ["6", "8", "7", "17"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q5783_2d2d_max2d_minus", "question": "Calculate 90 - 55 =", "choices": {"text": ["45", "34", "36", "35"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q87_1d1d_max1d_minus", "question": "Calculate 2 - 9 =", "choices": {"text": ["-6", "-7", "-8", "7"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q5886_2d2d_max2d_minus", "question": "Calculate 53 - 17 =", "choices": {"text": ["46", "36", "35", "37"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q888_2d1d_max2d_minus", "question": "Calculate 28 - 1 =", "choices": {"text": ["28", "26", "37", "27"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1103_2d1d_max2d_minus", "question": "Calculate 55 - 2 =", "choices": {"text": ["53", "63", "52", "54"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2240_1d2d_max2d_minus", "question": "Calculate 2 - 26 =", "choices": {"text": ["-24", "-23", "24", "-25"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5938_2d2d_max2d_plus", "question": "Calculate 12 + 19 =", "choices": {"text": ["32", "30", "41", "31"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q2216_1d2d_max2d_plus", "question": "Calculate 0 + 20 =", "choices": {"text": ["21", "30", "20", "19"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q303_1d1d_max1d_minus", "question": "Calculate 0 - 8 =", "choices": {"text": ["8", "-9", "-7", "-8"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q804_2d1d_max2d_minus", "question": "Calculate 97 - 1 =", "choices": {"text": ["96", "106", "95", "97"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5782_2d2d_max2d_minus", "question": "Calculate 55 - 90 =", "choices": {"text": ["35", "-35", "-36", "-34"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1413_2d1d_max2d_minus", "question": "Calculate 95 - 9 =", "choices": {"text": ["85", "86", "96", "87"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q6159_2d2d_max2d_plus", "question": "Calculate 37 + 36 =", "choices": {"text": ["66", "73", "80", "83"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q5175_2d2d_max2d_plus", "question": "Calculate 28 + 22 =", "choices": {"text": ["49", "50", "51", "60"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q7483_2d2d_max2d_minus", "question": "Calculate 87 - 79 =", "choices": {"text": ["8", "18", "7", "9"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1898_1d2d_max2d_plus", "question": "Calculate 0 + 94 =", "choices": {"text": ["94", "104", "95", "93"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q976_1d2d_max2d_plus", "question": "Calculate 6 + 39 =", "choices": {"text": ["55", "45", "46", "44"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q7253_2d2d_max2d_plus", "question": "Calculate 81 + 12 =", "choices": {"text": ["103", "94", "92", "93"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q7294_2d2d_max2d_minus", "question": "Calculate 32 - 10 =", "choices": {"text": ["23", "21", "32", "22"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q785_1d2d_max2d_plus", "question": "Calculate 3 + 26 =", "choices": {"text": ["28", "39", "30", "29"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q7345_2d2d_max2d_minus", "question": "Calculate 38 - 54 =", "choices": {"text": ["-15", "16", "-17", "-16"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5950_2d2d_max2d_minus", "question": "Calculate 50 - 55 =", "choices": {"text": ["5", "-5", "-6", "-4"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q6385_2d2d_max2d_minus", "question": "Calculate 79 - 11 =", "choices": {"text": ["78", "69", "68", "67"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1561_2d1d_max2d_plus", "question": "Calculate 38 + 3 =", "choices": {"text": ["40", "41", "42", "51"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1658_1d2d_max2d_minus", "question": "Calculate 4 - 54 =", "choices": {"text": ["-50", "-51", "50", "-49"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1438_2d1d_max2d_minus", "question": "Calculate 40 - 2 =", "choices": {"text": ["38", "48", "37", "39"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2238_1d2d_max2d_minus", "question": "Calculate 2 - 15 =", "choices": {"text": ["-12", "-14", "-13", "13"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q6921_2d2d_max2d_minus", "question": "Calculate 16 - 30 =", "choices": {"text": ["-13", "-14", "14", "-15"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q6093_2d2d_max2d_minus", "question": "Calculate 55 - 79 =", "choices": {"text": ["-23", "-24", "24", "-25"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q5500_2d2d_max2d_minus", "question": "Calculate 65 - 75 =", "choices": {"text": ["-9", "-10", "-11", "10"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q7021_2d2d_max2d_plus", "question": "Calculate 14 + 11 =", "choices": {"text": ["24", "25", "35", "26"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q5179_2d2d_max2d_minus", "question": "Calculate 82 - 34 =", "choices": {"text": ["58", "47", "48", "49"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q180_1d1d_max1d_plus", "question": "Calculate 4 + 8 =", "choices": {"text": ["13", "11", "12", "22"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q5386_2d2d_max2d_minus", "question": "Calculate 27 - 88 =", "choices": {"text": ["61", "-60", "-61", "-62"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q2072_1d2d_max2d_minus", "question": "Calculate 1 - 86 =", "choices": {"text": ["-84", "85", "-85", "-86"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q7453_2d2d_max2d_minus", "question": "Calculate 90 - 32 =", "choices": {"text": ["58", "57", "59", "68"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1554_1d2d_max2d_minus", "question": "Calculate 6 - 32 =", "choices": {"text": ["26", "-27", "-26", "-25"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q7295_2d2d_max2d_minus", "question": "Calculate 32 - 34 =", "choices": {"text": ["-1", "2", "-2", "-3"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q393_2d1d_max2d_minus", "question": "Calculate 65 - 3 =", "choices": {"text": ["63", "62", "72", "61"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q501_2d1d_max2d_plus", "question": "Calculate 78 + 0 =", "choices": {"text": ["78", "88", "85", "71"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5196_2d2d_max2d_plus", "question": "Calculate 57 + 37 =", "choices": {"text": ["94", "93", "104", "95"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q256_1d1d_max1d_minus", "question": "Calculate 7 - 3 =", "choices": {"text": ["4", "3", "14", "5"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2364_2d1d_max2d_minus", "question": "Calculate 11 - 0 =", "choices": {"text": ["11", "12", "21", "10"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q627_1d2d_max2d_minus", "question": "Calculate 6 - 58 =", "choices": {"text": ["52", "-52", "-51", "-53"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q784_2d1d_max2d_minus", "question": "Calculate 16 - 5 =", "choices": {"text": ["21", "11", "10", "12"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q307_1d1d_max1d_plus", "question": "Calculate 1 + 0 =", "choices": {"text": ["1", "11", "2", "0"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q531_2d1d_max2d_plus", "question": "Calculate 37 + 5 =", "choices": {"text": ["42", "43", "41", "52"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q721_2d1d_max2d_plus", "question": "Calculate 98 + 0 =", "choices": {"text": ["98", "99", "97", "108"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q32_1d1d_max1d_minus", "question": "Calculate 5 - 4 =", "choices": {"text": ["11", "0", "2", "1"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q2375_1d2d_max2d_minus", "question": "Calculate 5 - 72 =", "choices": {"text": ["67", "-67", "-66", "-68"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1431_1d2d_max2d_minus", "question": "Calculate 9 - 94 =", "choices": {"text": ["-85", "-86", "-84", "85"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1569_1d2d_max2d_minus", "question": "Calculate 6 - 45 =", "choices": {"text": ["-40", "-39", "39", "-38"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q341_1d1d_max1d_plus", "question": "Calculate 3 + 5 =", "choices": {"text": ["18", "8", "9", "7"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q270_1d1d_max1d_minus", "question": "Calculate 2 - 6 =", "choices": {"text": ["-5", "-4", "-3", "4"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q7587_2d2d_max2d_minus", "question": "Calculate 68 - 61 =", "choices": {"text": ["7", "17", "6", "8"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2073_2d1d_max2d_minus", "question": "Calculate 86 - 1 =", "choices": {"text": ["86", "85", "84", "95"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q5372_2d2d_max2d_minus", "question": "Calculate 38 - 56 =", "choices": {"text": ["-18", "-17", "-19", "18"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q7416_2d2d_max2d_plus", "question": "Calculate 11 + 75 =", "choices": {"text": ["96", "85", "87", "86"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5258_2d2d_max2d_minus", "question": "Calculate 74 - 44 =", "choices": {"text": ["31", "29", "40", "30"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q941_1d2d_max2d_minus", "question": "Calculate 7 - 50 =", "choices": {"text": ["-43", "43", "-42", "-44"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2536_2d1d_max2d_minus", "question": "Calculate 70 - 2 =", "choices": {"text": ["68", "67", "78", "69"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5705_2d2d_max2d_minus", "question": "Calculate 49 - 77 =", "choices": {"text": ["-27", "-28", "-29", "28"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1666_1d2d_max2d_plus", "question": "Calculate 3 + 70 =", "choices": {"text": ["66", "80", "73", "83"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q2382_2d1d_max2d_minus", "question": "Calculate 97 - 6 =", "choices": {"text": ["91", "101", "90", "92"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1292_1d2d_max2d_minus", "question": "Calculate 5 - 24 =", "choices": {"text": ["19", "-19", "-20", "-18"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1004_2d1d_max2d_plus", "question": "Calculate 32 + 4 =", "choices": {"text": ["46", "35", "36", "37"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1017_1d2d_max2d_minus", "question": "Calculate 2 - 73 =", "choices": {"text": ["-71", "71", "-72", "-70"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q39_1d1d_max1d_plus", "question": "Calculate 0 + 8 =", "choices": {"text": ["8", "7", "9", "18"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1653_2d1d_max2d_minus", "question": "Calculate 99 - 5 =", "choices": {"text": ["104", "93", "95", "94"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q441_2d1d_max2d_plus", "question": "Calculate 83 + 6 =", "choices": {"text": ["88", "89", "90", "99"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q940_2d1d_max2d_plus", "question": "Calculate 23 + 3 =", "choices": {"text": ["27", "26", "36", "25"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q2374_2d1d_max2d_minus", "question": "Calculate 51 - 6 =", "choices": {"text": ["46", "45", "55", "44"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q5941_2d2d_max2d_minus", "question": "Calculate 64 - 96 =", "choices": {"text": ["-32", "-31", "-33", "32"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q7595_2d2d_max2d_plus", "question": "Calculate 34 + 39 =", "choices": {"text": ["83", "66", "73", "80"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1787_1d2d_max2d_plus", "question": "Calculate 2 + 58 =", "choices": {"text": ["59", "60", "61", "70"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1119_2d1d_max2d_plus", "question": "Calculate 86 + 2 =", "choices": {"text": ["98", "89", "87", "88"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q2377_1d2d_max2d_minus", "question": "Calculate 4 - 25 =", "choices": {"text": ["-21", "-22", "21", "-20"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q7512_2d2d_max2d_minus", "question": "Calculate 52 - 10 =", "choices": {"text": ["41", "52", "42", "43"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1826_2d1d_max2d_plus", "question": "Calculate 72 + 2 =", "choices": {"text": ["74", "67", "81", "84"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1346_1d2d_max2d_minus", "question": "Calculate 0 - 90 =", "choices": {"text": ["90", "-90", "-89", "-91"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q6133_2d2d_max2d_minus", "question": "Calculate 33 - 18 =", "choices": {"text": ["14", "16", "25", "15"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1102_1d2d_max2d_minus", "question": "Calculate 2 - 55 =", "choices": {"text": ["-52", "53", "-53", "-54"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q602_1d2d_max2d_minus", "question": "Calculate 9 - 76 =", "choices": {"text": ["-68", "67", "-67", "-66"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q244_1d1d_max1d_minus", "question": "Calculate 9 - 8 =", "choices": {"text": ["1", "0", "11", "2"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1770_2d1d_max2d_minus", "question": "Calculate 37 - 0 =", "choices": {"text": ["38", "37", "47", "36"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1233_2d1d_max2d_minus", "question": "Calculate 71 - 5 =", "choices": {"text": ["66", "67", "76", "65"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6998_2d2d_max2d_minus", "question": "Calculate 61 - 67 =", "choices": {"text": ["-7", "6", "-5", "-6"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1660_1d2d_max2d_minus", "question": "Calculate 3 - 41 =", "choices": {"text": ["38", "-39", "-37", "-38"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q931_1d2d_max2d_plus", "question": "Calculate 7 + 21 =", "choices": {"text": ["28", "27", "38", "29"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q7598_2d2d_max2d_minus", "question": "Calculate 41 - 83 =", "choices": {"text": ["-41", "42", "-42", "-43"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q6731_2d2d_max2d_plus", "question": "Calculate 22 + 45 =", "choices": {"text": ["68", "67", "77", "66"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q6856_2d2d_max2d_plus", "question": "Calculate 53 + 16 =", "choices": {"text": ["69", "79", "70", "68"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1694_2d1d_max2d_plus", "question": "Calculate 90 + 8 =", "choices": {"text": ["108", "97", "99", "98"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q632_2d1d_max2d_plus", "question": "Calculate 66 + 6 =", "choices": {"text": ["82", "79", "72", "65"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q7562_2d2d_max2d_plus", "question": "Calculate 25 + 13 =", "choices": {"text": ["38", "37", "39", "48"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2177_1d2d_max2d_minus", "question": "Calculate 7 - 11 =", "choices": {"text": ["-3", "-5", "4", "-4"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q2281_2d1d_max2d_minus", "question": "Calculate 18 - 8 =", "choices": {"text": ["20", "10", "11", "9"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q7204_2d2d_max2d_minus", "question": "Calculate 76 - 34 =", "choices": {"text": ["43", "52", "41", "42"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5882_2d2d_max2d_minus", "question": "Calculate 43 - 83 =", "choices": {"text": ["-41", "-39", "-40", "40"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1736_2d1d_max2d_minus", "question": "Calculate 39 - 2 =", "choices": {"text": ["38", "47", "36", "37"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5819_2d2d_max2d_plus", "question": "Calculate 14 + 37 =", "choices": {"text": ["52", "61", "50", "51"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1415_2d1d_max2d_plus", "question": "Calculate 31 + 2 =", "choices": {"text": ["33", "43", "32", "34"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2115_2d1d_max2d_plus", "question": "Calculate 59 + 9 =", "choices": {"text": ["68", "78", "69", "67"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q7383_2d2d_max2d_minus", "question": "Calculate 55 - 57 =", "choices": {"text": ["-1", "-2", "-3", "2"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q2593_2d1d_max2d_minus", "question": "Calculate 31 - 9 =", "choices": {"text": ["21", "32", "22", "23"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q2278_1d2d_max2d_plus", "question": "Calculate 8 + 52 =", "choices": {"text": ["61", "59", "60", "70"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q2455_2d1d_max2d_minus", "question": "Calculate 95 - 7 =", "choices": {"text": ["98", "87", "88", "89"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1495_1d2d_max2d_minus", "question": "Calculate 5 - 47 =", "choices": {"text": ["42", "-42", "-43", "-41"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q182_1d1d_max1d_plus", "question": "Calculate 9 + 5 =", "choices": {"text": ["13", "14", "24", "15"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q7492_2d2d_max2d_plus", "question": "Calculate 18 + 35 =", "choices": {"text": ["63", "53", "54", "52"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q2592_1d2d_max2d_minus", "question": "Calculate 9 - 31 =", "choices": {"text": ["22", "-21", "-22", "-23"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1157_2d1d_max2d_minus", "question": "Calculate 63 - 3 =", "choices": {"text": ["70", "60", "59", "61"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q358_1d1d_max1d_minus", "question": "Calculate 4 - 3 =", "choices": {"text": ["0", "2", "1", "11"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q647_1d2d_max2d_plus", "question": "Calculate 0 + 27 =", "choices": {"text": ["37", "27", "28", "26"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q2153_2d1d_max2d_minus", "question": "Calculate 59 - 3 =", "choices": {"text": ["66", "55", "57", "56"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q2306_2d1d_max2d_plus", "question": "Calculate 75 + 5 =", "choices": {"text": ["90", "79", "80", "81"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q88_1d1d_max1d_minus", "question": "Calculate 5 - 1 =", "choices": {"text": ["3", "14", "4", "5"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1608_2d1d_max2d_minus", "question": "Calculate 88 - 7 =", "choices": {"text": ["81", "82", "80", "91"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2398_1d2d_max2d_plus", "question": "Calculate 1 + 17 =", "choices": {"text": ["28", "19", "18", "17"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q737_2d1d_max2d_plus", "question": "Calculate 73 + 4 =", "choices": {"text": ["87", "84", "70", "77"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6010_2d2d_max2d_minus", "question": "Calculate 19 - 52 =", "choices": {"text": ["33", "-33", "-32", "-34"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q7673_2d2d_max2d_minus", "question": "Calculate 55 - 36 =", "choices": {"text": ["29", "20", "19", "18"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q884_2d1d_max2d_minus", "question": "Calculate 18 - 0 =", "choices": {"text": ["19", "28", "17", "18"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6195_2d2d_max2d_minus", "question": "Calculate 22 - 62 =", "choices": {"text": ["-39", "40", "-40", "-41"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1539_2d1d_max2d_plus", "question": "Calculate 11 + 6 =", "choices": {"text": ["18", "16", "27", "17"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6587_2d2d_max2d_plus", "question": "Calculate 41 + 33 =", "choices": {"text": ["74", "84", "67", "81"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6915_2d2d_max2d_minus", "question": "Calculate 54 - 33 =", "choices": {"text": ["20", "22", "31", "21"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q481_2d1d_max2d_plus", "question": "Calculate 72 + 1 =", "choices": {"text": ["66", "73", "83", "80"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1399_2d1d_max2d_minus", "question": "Calculate 18 - 7 =", "choices": {"text": ["10", "11", "12", "21"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q6806_2d2d_max2d_minus", "question": "Calculate 61 - 77 =", "choices": {"text": ["-16", "-17", "16", "-15"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2581_2d1d_max2d_minus", "question": "Calculate 63 - 6 =", "choices": {"text": ["56", "57", "58", "67"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q274_1d1d_max1d_minus", "question": "Calculate 3 - 3 =", "choices": {"text": ["0", "-1", "1", "10"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1911_2d1d_max2d_minus", "question": "Calculate 77 - 9 =", "choices": {"text": ["78", "68", "69", "67"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q743_2d1d_max2d_minus", "question": "Calculate 30 - 4 =", "choices": {"text": ["36", "26", "27", "25"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q535_2d1d_max2d_minus", "question": "Calculate 55 - 5 =", "choices": {"text": ["50", "49", "51", "60"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6261_2d2d_max2d_plus", "question": "Calculate 22 + 38 =", "choices": {"text": ["59", "60", "70", "61"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q7606_2d2d_max2d_minus", "question": "Calculate 63 - 33 =", "choices": {"text": ["40", "29", "31", "30"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q2311_1d2d_max2d_plus", "question": "Calculate 9 + 64 =", "choices": {"text": ["73", "66", "80", "83"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1245_2d1d_max2d_plus", "question": "Calculate 76 + 1 =", "choices": {"text": ["84", "70", "77", "87"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q5875_2d2d_max2d_minus", "question": "Calculate 41 - 42 =", "choices": {"text": ["-1", "-2", "0", "1"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5631_2d2d_max2d_minus", "question": "Calculate 32 - 52 =", "choices": {"text": ["-20", "-21", "-19", "20"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2340_2d1d_max2d_minus", "question": "Calculate 74 - 2 =", "choices": {"text": ["65", "72", "79", "82"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q421_2d1d_max2d_minus", "question": "Calculate 33 - 6 =", "choices": {"text": ["27", "28", "37", "26"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6285_2d2d_max2d_plus", "question": "Calculate 15 + 70 =", "choices": {"text": ["86", "85", "95", "84"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q79_1d1d_max1d_minus", "question": "Calculate 6 - 1 =", "choices": {"text": ["5", "4", "6", "15"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5756_2d2d_max2d_minus", "question": "Calculate 39 - 56 =", "choices": {"text": ["17", "-16", "-18", "-17"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1_1d1d_max1d_plus", "question": "Calculate 0 + 7 =", "choices": {"text": ["8", "7", "6", "17"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q2205_2d1d_max2d_minus", "question": "Calculate 89 - 9 =", "choices": {"text": ["81", "90", "79", "80"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5449_2d2d_max2d_minus", "question": "Calculate 47 - 25 =", "choices": {"text": ["21", "32", "22", "23"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q720_1d2d_max2d_plus", "question": "Calculate 0 + 98 =", "choices": {"text": ["99", "97", "98", "108"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q7436_2d2d_max2d_minus", "question": "Calculate 69 - 83 =", "choices": {"text": ["-13", "-14", "-15", "14"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q48_1d1d_max1d_plus", "question": "Calculate 2 + 8 =", "choices": {"text": ["11", "20", "10", "9"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q451_2d1d_max2d_plus", "question": "Calculate 78 + 1 =", "choices": {"text": ["89", "86", "72", "79"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1013_1d2d_max2d_minus", "question": "Calculate 2 - 67 =", "choices": {"text": ["-66", "-65", "65", "-64"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q405_2d1d_max2d_minus", "question": "Calculate 68 - 3 =", "choices": {"text": ["64", "75", "66", "65"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5881_2d2d_max2d_minus", "question": "Calculate 83 - 43 =", "choices": {"text": ["41", "39", "40", "50"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1135_2d1d_max2d_plus", "question": "Calculate 62 + 4 =", "choices": {"text": ["76", "65", "66", "67"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1386_1d2d_max2d_plus", "question": "Calculate 7 + 74 =", "choices": {"text": ["80", "81", "82", "91"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q5734_2d2d_max2d_minus", "question": "Calculate 70 - 57 =", "choices": {"text": ["13", "14", "23", "12"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q7484_2d2d_max2d_minus", "question": "Calculate 79 - 87 =", "choices": {"text": ["-8", "-9", "-7", "8"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1038_2d1d_max2d_plus", "question": "Calculate 74 + 3 =", "choices": {"text": ["70", "87", "84", "77"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q2544_1d2d_max2d_plus", "question": "Calculate 1 + 60 =", "choices": {"text": ["61", "60", "71", "62"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5976_2d2d_max2d_minus", "question": "Calculate 91 - 53 =", "choices": {"text": ["39", "48", "38", "37"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q974_1d2d_max2d_minus", "question": "Calculate 6 - 20 =", "choices": {"text": ["14", "-14", "-13", "-15"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1205_2d1d_max2d_minus", "question": "Calculate 46 - 4 =", "choices": {"text": ["42", "52", "41", "43"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q902_2d1d_max2d_minus", "question": "Calculate 17 - 3 =", "choices": {"text": ["14", "24", "15", "13"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1963_2d1d_max2d_minus", "question": "Calculate 16 - 8 =", "choices": {"text": ["7", "8", "9", "18"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q191_1d1d_max1d_plus", "question": "Calculate 3 + 8 =", "choices": {"text": ["11", "10", "12", "21"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1155_2d1d_max2d_plus", "question": "Calculate 65 + 7 =", "choices": {"text": ["72", "79", "65", "82"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2099_2d1d_max2d_plus", "question": "Calculate 83 + 0 =", "choices": {"text": ["93", "83", "82", "84"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q2041_2d1d_max2d_plus", "question": "Calculate 76 + 4 =", "choices": {"text": ["81", "79", "90", "80"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q2372_2d1d_max2d_plus", "question": "Calculate 22 + 9 =", "choices": {"text": ["31", "41", "30", "32"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q7177_2d2d_max2d_minus", "question": "Calculate 40 - 27 =", "choices": {"text": ["12", "14", "13", "23"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1606_2d1d_max2d_plus", "question": "Calculate 50 + 4 =", "choices": {"text": ["64", "53", "54", "55"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1910_1d2d_max2d_minus", "question": "Calculate 9 - 77 =", "choices": {"text": ["-69", "-67", "68", "-68"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1173_2d1d_max2d_minus", "question": "Calculate 57 - 2 =", "choices": {"text": ["54", "65", "55", "56"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q698_1d2d_max2d_plus", "question": "Calculate 0 + 86 =", "choices": {"text": ["86", "87", "96", "85"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6347_2d2d_max2d_minus", "question": "Calculate 34 - 70 =", "choices": {"text": ["-35", "36", "-37", "-36"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1531_2d1d_max2d_minus", "question": "Calculate 23 - 9 =", "choices": {"text": ["13", "24", "15", "14"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6621_2d2d_max2d_plus", "question": "Calculate 55 + 44 =", "choices": {"text": ["100", "99", "98", "109"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q6995_2d2d_max2d_minus", "question": "Calculate 71 - 49 =", "choices": {"text": ["22", "32", "23", "21"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q496_1d2d_max2d_minus", "question": "Calculate 4 - 89 =", "choices": {"text": ["-86", "-85", "85", "-84"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q2218_1d2d_max2d_plus", "question": "Calculate 0 + 74 =", "choices": {"text": ["81", "67", "84", "74"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5717_2d2d_max2d_minus", "question": "Calculate 80 - 14 =", "choices": {"text": ["66", "67", "65", "76"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2228_1d2d_max2d_minus", "question": "Calculate 5 - 73 =", "choices": {"text": ["-68", "-67", "68", "-69"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q126_1d1d_max1d_plus", "question": "Calculate 2 + 9 =", "choices": {"text": ["12", "21", "10", "11"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q7577_2d2d_max2d_minus", "question": "Calculate 99 - 90 =", "choices": {"text": ["10", "19", "9", "8"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q183_1d1d_max1d_plus", "question": "Calculate 5 + 9 =", "choices": {"text": ["24", "13", "15", "14"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6936_2d2d_max2d_minus", "question": "Calculate 94 - 64 =", "choices": {"text": ["29", "30", "31", "40"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1892_1d2d_max2d_minus", "question": "Calculate 3 - 22 =", "choices": {"text": ["19", "-19", "-18", "-20"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1886_1d2d_max2d_plus", "question": "Calculate 4 + 37 =", "choices": {"text": ["42", "51", "40", "41"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q637_1d2d_max2d_plus", "question": "Calculate 3 + 42 =", "choices": {"text": ["44", "55", "45", "46"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q6848_2d2d_max2d_minus", "question": "Calculate 47 - 57 =", "choices": {"text": ["-9", "10", "-11", "-10"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1533_2d1d_max2d_plus", "question": "Calculate 14 + 4 =", "choices": {"text": ["19", "17", "18", "28"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q6593_2d2d_max2d_minus", "question": "Calculate 20 - 23 =", "choices": {"text": ["-2", "3", "-3", "-4"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q810_2d1d_max2d_minus", "question": "Calculate 11 - 2 =", "choices": {"text": ["19", "8", "9", "10"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q2129_2d1d_max2d_plus", "question": "Calculate 58 + 1 =", "choices": {"text": ["59", "58", "60", "69"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1421_2d1d_max2d_minus", "question": "Calculate 96 - 6 =", "choices": {"text": ["100", "91", "89", "90"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5853_2d2d_max2d_minus", "question": "Calculate 16 - 55 =", "choices": {"text": ["-40", "-39", "39", "-38"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q5714_2d2d_max2d_plus", "question": "Calculate 24 + 70 =", "choices": {"text": ["104", "95", "94", "93"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q5900_2d2d_max2d_minus", "question": "Calculate 34 - 19 =", "choices": {"text": ["14", "25", "15", "16"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q6118_2d2d_max2d_plus", "question": "Calculate 68 + 19 =", "choices": {"text": ["88", "86", "97", "87"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5225_2d2d_max2d_plus", "question": "Calculate 36 + 43 =", "choices": {"text": ["86", "79", "72", "89"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q5180_2d2d_max2d_minus", "question": "Calculate 66 - 84 =", "choices": {"text": ["-19", "-17", "18", "-18"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6449_2d2d_max2d_minus", "question": "Calculate 27 - 80 =", "choices": {"text": ["-53", "53", "-54", "-52"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2126_1d2d_max2d_minus", "question": "Calculate 2 - 31 =", "choices": {"text": ["-30", "-28", "-29", "29"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q5608_2d2d_max2d_minus", "question": "Calculate 90 - 30 =", "choices": {"text": ["60", "70", "59", "61"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6397_2d2d_max2d_minus", "question": "Calculate 97 - 14 =", "choices": {"text": ["84", "82", "83", "93"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1995_2d1d_max2d_plus", "question": "Calculate 21 + 4 =", "choices": {"text": ["35", "24", "25", "26"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q745_2d1d_max2d_plus", "question": "Calculate 81 + 7 =", "choices": {"text": ["88", "89", "87", "98"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5177_2d2d_max2d_minus", "question": "Calculate 51 - 87 =", "choices": {"text": ["36", "-35", "-36", "-37"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q440_1d2d_max2d_plus", "question": "Calculate 6 + 83 =", "choices": {"text": ["88", "99", "90", "89"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1375_2d1d_max2d_minus", "question": "Calculate 83 - 7 =", "choices": {"text": ["69", "83", "86", "76"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1398_1d2d_max2d_minus", "question": "Calculate 7 - 18 =", "choices": {"text": ["-11", "-10", "11", "-12"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6469_2d2d_max2d_plus", "question": "Calculate 15 + 28 =", "choices": {"text": ["44", "43", "42", "53"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q6978_2d2d_max2d_minus", "question": "Calculate 68 - 66 =", "choices": {"text": ["1", "3", "2", "12"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q2048_1d2d_max2d_plus", "question": "Calculate 9 + 38 =", "choices": {"text": ["47", "48", "57", "46"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2359_1d2d_max2d_plus", "question": "Calculate 9 + 90 =", "choices": {"text": ["109", "98", "100", "99"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q2580_1d2d_max2d_minus", "question": "Calculate 6 - 63 =", "choices": {"text": ["-58", "57", "-56", "-57"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6311_2d2d_max2d_plus", "question": "Calculate 67 + 24 =", "choices": {"text": ["101", "90", "91", "92"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q6764_2d2d_max2d_minus", "question": "Calculate 70 - 99 =", "choices": {"text": ["-30", "-29", "-28", "29"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q593_2d1d_max2d_minus", "question": "Calculate 31 - 4 =", "choices": {"text": ["27", "28", "37", "26"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1841_1d2d_max2d_minus", "question": "Calculate 9 - 57 =", "choices": {"text": ["-47", "-49", "-48", "48"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q982_1d2d_max2d_minus", "question": "Calculate 2 - 86 =", "choices": {"text": ["-85", "-83", "84", "-84"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5699_2d2d_max2d_minus", "question": "Calculate 35 - 56 =", "choices": {"text": ["-22", "-21", "21", "-20"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1054_1d2d_max2d_plus", "question": "Calculate 6 + 14 =", "choices": {"text": ["30", "21", "19", "20"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q7478_2d2d_max2d_minus", "question": "Calculate 72 - 19 =", "choices": {"text": ["53", "54", "52", "63"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q7403_2d2d_max2d_minus", "question": "Calculate 30 - 52 =", "choices": {"text": ["-21", "22", "-23", "-22"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5566_2d2d_max2d_minus", "question": "Calculate 12 - 80 =", "choices": {"text": ["68", "-69", "-67", "-68"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q443_2d1d_max2d_plus", "question": "Calculate 16 + 6 =", "choices": {"text": ["21", "23", "22", "32"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q347_1d1d_max1d_plus", "question": "Calculate 5 + 0 =", "choices": {"text": ["5", "15", "6", "4"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q714_1d2d_max2d_minus", "question": "Calculate 4 - 10 =", "choices": {"text": ["-7", "6", "-5", "-6"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5996_2d2d_max2d_minus", "question": "Calculate 78 - 10 =", "choices": {"text": ["69", "67", "68", "78"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q930_2d1d_max2d_minus", "question": "Calculate 66 - 9 =", "choices": {"text": ["58", "56", "67", "57"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1503_1d2d_max2d_minus", "question": "Calculate 3 - 10 =", "choices": {"text": ["7", "-8", "-7", "-6"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q7384_2d2d_max2d_minus", "question": "Calculate 57 - 55 =", "choices": {"text": ["12", "2", "1", "3"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q6691_2d2d_max2d_minus", "question": "Calculate 69 - 84 =", "choices": {"text": ["15", "-14", "-16", "-15"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q2224_1d2d_max2d_minus", "question": "Calculate 2 - 20 =", "choices": {"text": ["-19", "-17", "-18", "18"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q2363_1d2d_max2d_minus", "question": "Calculate 0 - 11 =", "choices": {"text": ["-12", "-10", "-11", "11"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q281_1d1d_max1d_minus", "question": "Calculate 3 - 9 =", "choices": {"text": ["-5", "-7", "6", "-6"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1006_2d1d_max2d_plus", "question": "Calculate 34 + 5 =", "choices": {"text": ["49", "40", "39", "38"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q892_2d1d_max2d_plus", "question": "Calculate 96 + 2 =", "choices": {"text": ["97", "98", "99", "108"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q6228_2d2d_max2d_minus", "question": "Calculate 30 - 62 =", "choices": {"text": ["-33", "-31", "-32", "32"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q7289_2d2d_max2d_plus", "question": "Calculate 46 + 49 =", "choices": {"text": ["95", "105", "96", "94"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6463_2d2d_max2d_plus", "question": "Calculate 27 + 49 =", "choices": {"text": ["76", "86", "69", "83"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q453_2d1d_max2d_minus", "question": "Calculate 29 - 0 =", "choices": {"text": ["29", "28", "30", "39"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6025_2d2d_max2d_plus", "question": "Calculate 43 + 47 =", "choices": {"text": ["100", "89", "90", "91"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q927_1d2d_max2d_plus", "question": "Calculate 9 + 77 =", "choices": {"text": ["87", "85", "86", "96"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q5795_2d2d_max2d_minus", "question": "Calculate 26 - 51 =", "choices": {"text": ["25", "-26", "-24", "-25"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6719_2d2d_max2d_minus", "question": "Calculate 60 - 19 =", "choices": {"text": ["42", "40", "51", "41"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6341_2d2d_max2d_minus", "question": "Calculate 49 - 12 =", "choices": {"text": ["47", "36", "38", "37"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q2401_2d1d_max2d_plus", "question": "Calculate 77 + 0 =", "choices": {"text": ["87", "84", "70", "77"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1154_1d2d_max2d_plus", "question": "Calculate 7 + 65 =", "choices": {"text": ["65", "82", "79", "72"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5540_2d2d_max2d_minus", "question": "Calculate 84 - 41 =", "choices": {"text": ["53", "42", "43", "44"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q6755_2d2d_max2d_plus", "question": "Calculate 18 + 60 =", "choices": {"text": ["85", "88", "71", "78"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6063_2d2d_max2d_minus", "question": "Calculate 64 - 13 =", "choices": {"text": ["51", "50", "61", "52"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2394_1d2d_max2d_plus", "question": "Calculate 4 + 13 =", "choices": {"text": ["17", "16", "27", "18"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q548_1d2d_max2d_minus", "question": "Calculate 7 - 56 =", "choices": {"text": ["49", "-50", "-48", "-49"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q7561_2d2d_max2d_plus", "question": "Calculate 13 + 25 =", "choices": {"text": ["38", "48", "37", "39"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q19_1d1d_max1d_minus", "question": "Calculate 1 - 8 =", "choices": {"text": ["7", "-6", "-8", "-7"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6079_2d2d_max2d_plus", "question": "Calculate 10 + 69 =", "choices": {"text": ["79", "89", "72", "86"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5501_2d2d_max2d_minus", "question": "Calculate 75 - 65 =", "choices": {"text": ["11", "20", "10", "9"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q282_1d1d_max1d_minus", "question": "Calculate 9 - 3 =", "choices": {"text": ["7", "16", "5", "6"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q2217_2d1d_max2d_plus", "question": "Calculate 20 + 0 =", "choices": {"text": ["19", "20", "21", "30"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q6586_2d2d_max2d_plus", "question": "Calculate 33 + 41 =", "choices": {"text": ["84", "81", "74", "67"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q7600_2d2d_max2d_plus", "question": "Calculate 34 + 11 =", "choices": {"text": ["55", "44", "46", "45"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q824_2d1d_max2d_plus", "question": "Calculate 64 + 2 =", "choices": {"text": ["66", "67", "65", "76"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5400_2d2d_max2d_minus", "question": "Calculate 81 - 70 =", "choices": {"text": ["10", "21", "11", "12"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q634_2d1d_max2d_minus", "question": "Calculate 88 - 4 =", "choices": {"text": ["85", "83", "84", "94"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q805_1d2d_max2d_plus", "question": "Calculate 1 + 63 =", "choices": {"text": ["74", "63", "64", "65"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1661_2d1d_max2d_minus", "question": "Calculate 41 - 3 =", "choices": {"text": ["48", "38", "37", "39"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1321_2d1d_max2d_plus", "question": "Calculate 25 + 1 =", "choices": {"text": ["36", "25", "26", "27"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q5371_2d2d_max2d_minus", "question": "Calculate 39 - 48 =", "choices": {"text": ["-10", "-9", "9", "-8"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q7282_2d2d_max2d_minus", "question": "Calculate 81 - 48 =", "choices": {"text": ["43", "33", "32", "34"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q156_1d1d_max1d_minus", "question": "Calculate 2 - 7 =", "choices": {"text": ["-6", "-5", "5", "-4"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q248_1d1d_max1d_minus", "question": "Calculate 6 - 8 =", "choices": {"text": ["-2", "2", "-3", "-1"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2267_1d2d_max2d_plus", "question": "Calculate 1 + 62 =", "choices": {"text": ["63", "64", "62", "73"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q198_1d1d_max1d_plus", "question": "Calculate 7 + 3 =", "choices": {"text": ["11", "20", "9", "10"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1935_2d1d_max2d_plus", "question": "Calculate 68 + 7 =", "choices": {"text": ["82", "75", "68", "85"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q6738_2d2d_max2d_minus", "question": "Calculate 14 - 23 =", "choices": {"text": ["-10", "-9", "9", "-8"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q915_1d2d_max2d_plus", "question": "Calculate 5 + 52 =", "choices": {"text": ["57", "56", "58", "67"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6500_2d2d_max2d_minus", "question": "Calculate 79 - 26 =", "choices": {"text": ["54", "63", "53", "52"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q461_2d1d_max2d_plus", "question": "Calculate 81 + 3 =", "choices": {"text": ["85", "94", "84", "83"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q2139_2d1d_max2d_minus", "question": "Calculate 61 - 0 =", "choices": {"text": ["62", "61", "60", "71"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1646_1d2d_max2d_minus", "question": "Calculate 5 - 79 =", "choices": {"text": ["-74", "-75", "74", "-73"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1391_2d1d_max2d_minus", "question": "Calculate 44 - 9 =", "choices": {"text": ["35", "36", "34", "45"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5991_2d2d_max2d_minus", "question": "Calculate 54 - 74 =", "choices": {"text": ["20", "-21", "-19", "-20"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q2496_1d2d_max2d_minus", "question": "Calculate 2 - 43 =", "choices": {"text": ["-40", "-42", "41", "-41"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q2360_2d1d_max2d_plus", "question": "Calculate 90 + 9 =", "choices": {"text": ["98", "109", "99", "100"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q5949_2d2d_max2d_minus", "question": "Calculate 55 - 50 =", "choices": {"text": ["5", "15", "4", "6"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5689_2d2d_max2d_minus", "question": "Calculate 44 - 71 =", "choices": {"text": ["-26", "27", "-27", "-28"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q638_2d1d_max2d_plus", "question": "Calculate 42 + 3 =", "choices": {"text": ["45", "44", "46", "55"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1754_2d1d_max2d_plus", "question": "Calculate 49 + 2 =", "choices": {"text": ["52", "51", "50", "61"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q2618_1d2d_max2d_plus", "question": "Calculate 4 + 47 =", "choices": {"text": ["61", "51", "50", "52"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q2091_2d1d_max2d_plus", "question": "Calculate 59 + 4 =", "choices": {"text": ["64", "63", "73", "62"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q68_1d1d_max1d_minus", "question": "Calculate 9 - 7 =", "choices": {"text": ["12", "2", "1", "3"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q7026_2d2d_max2d_minus", "question": "Calculate 53 - 64 =", "choices": {"text": ["-11", "-10", "11", "-12"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q869_2d1d_max2d_minus", "question": "Calculate 25 - 0 =", "choices": {"text": ["25", "35", "24", "26"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q132_1d1d_max1d_plus", "question": "Calculate 6 + 5 =", "choices": {"text": ["10", "21", "11", "12"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q2315_1d2d_max2d_plus", "question": "Calculate 3 + 31 =", "choices": {"text": ["44", "35", "34", "33"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q566_1d2d_max2d_plus", "question": "Calculate 0 + 28 =", "choices": {"text": ["28", "38", "27", "29"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6395_2d2d_max2d_minus", "question": "Calculate 75 - 30 =", "choices": {"text": ["55", "45", "46", "44"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q809_1d2d_max2d_minus", "question": "Calculate 2 - 11 =", "choices": {"text": ["-10", "-8", "9", "-9"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6103_2d2d_max2d_plus", "question": "Calculate 46 + 36 =", "choices": {"text": ["81", "92", "82", "83"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q6695_2d2d_max2d_minus", "question": "Calculate 93 - 38 =", "choices": {"text": ["65", "55", "54", "56"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q5744_2d2d_max2d_plus", "question": "Calculate 40 + 25 =", "choices": {"text": ["75", "66", "65", "64"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q2367_1d2d_max2d_minus", "question": "Calculate 9 - 75 =", "choices": {"text": ["-66", "66", "-67", "-65"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2328_2d1d_max2d_plus", "question": "Calculate 25 + 0 =", "choices": {"text": ["25", "26", "24", "35"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6321_2d2d_max2d_minus", "question": "Calculate 90 - 11 =", "choices": {"text": ["86", "89", "72", "79"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q7060_2d2d_max2d_plus", "question": "Calculate 43 + 54 =", "choices": {"text": ["107", "96", "97", "98"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1945_2d1d_max2d_minus", "question": "Calculate 99 - 2 =", "choices": {"text": ["96", "97", "107", "98"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1964_1d2d_max2d_minus", "question": "Calculate 2 - 69 =", "choices": {"text": ["-66", "-67", "-68", "67"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1804_2d1d_max2d_minus", "question": "Calculate 65 - 6 =", "choices": {"text": ["60", "59", "69", "58"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q141_1d1d_max1d_minus", "question": "Calculate 4 - 6 =", "choices": {"text": ["-1", "2", "-3", "-2"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1675_1d2d_max2d_minus", "question": "Calculate 8 - 95 =", "choices": {"text": ["-86", "-87", "87", "-88"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q7637_2d2d_max2d_minus", "question": "Calculate 61 - 46 =", "choices": {"text": ["14", "16", "15", "25"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1005_1d2d_max2d_plus", "question": "Calculate 5 + 34 =", "choices": {"text": ["39", "38", "49", "40"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1693_1d2d_max2d_plus", "question": "Calculate 8 + 90 =", "choices": {"text": ["99", "97", "98", "108"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q5222_2d2d_max2d_minus", "question": "Calculate 62 - 35 =", "choices": {"text": ["26", "27", "37", "28"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1188_1d2d_max2d_plus", "question": "Calculate 8 + 44 =", "choices": {"text": ["53", "51", "62", "52"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q886_2d1d_max2d_plus", "question": "Calculate 21 + 2 =", "choices": {"text": ["23", "24", "22", "33"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2489_2d1d_max2d_plus", "question": "Calculate 33 + 9 =", "choices": {"text": ["43", "42", "41", "52"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1044_1d2d_max2d_plus", "question": "Calculate 5 + 22 =", "choices": {"text": ["27", "26", "28", "37"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6026_2d2d_max2d_plus", "question": "Calculate 47 + 43 =", "choices": {"text": ["100", "91", "90", "89"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q364_1d1d_max1d_plus", "question": "Calculate 1 + 1 =", "choices": {"text": ["1", "12", "3", "2"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q7149_2d2d_max2d_minus", "question": "Calculate 26 - 73 =", "choices": {"text": ["-46", "-47", "-48", "47"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q5314_2d2d_max2d_minus", "question": "Calculate 95 - 21 =", "choices": {"text": ["74", "67", "81", "84"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6989_2d2d_max2d_minus", "question": "Calculate 15 - 79 =", "choices": {"text": ["-63", "64", "-65", "-64"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q390_1d2d_max2d_minus", "question": "Calculate 8 - 45 =", "choices": {"text": ["-36", "37", "-38", "-37"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q50_1d1d_max1d_plus", "question": "Calculate 5 + 8 =", "choices": {"text": ["13", "12", "23", "14"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2557_2d1d_max2d_plus", "question": "Calculate 52 + 2 =", "choices": {"text": ["53", "55", "64", "54"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q2155_2d1d_max2d_minus", "question": "Calculate 58 - 3 =", "choices": {"text": ["54", "65", "56", "55"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q944_2d1d_max2d_minus", "question": "Calculate 14 - 2 =", "choices": {"text": ["13", "11", "22", "12"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5350_2d2d_max2d_minus", "question": "Calculate 90 - 81 =", "choices": {"text": ["9", "10", "19", "8"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2071_2d1d_max2d_minus", "question": "Calculate 58 - 7 =", "choices": {"text": ["61", "50", "52", "51"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q984_1d2d_max2d_plus", "question": "Calculate 6 + 36 =", "choices": {"text": ["41", "43", "52", "42"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1568_2d1d_max2d_plus", "question": "Calculate 12 + 7 =", "choices": {"text": ["18", "19", "29", "20"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q7161_2d2d_max2d_plus", "question": "Calculate 14 + 31 =", "choices": {"text": ["55", "44", "45", "46"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q551_2d1d_max2d_minus", "question": "Calculate 27 - 1 =", "choices": {"text": ["27", "25", "26", "36"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q2087_2d1d_max2d_minus", "question": "Calculate 85 - 2 =", "choices": {"text": ["84", "82", "83", "93"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q7187_2d2d_max2d_plus", "question": "Calculate 10 + 72 =", "choices": {"text": ["81", "83", "82", "92"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q7162_2d2d_max2d_plus", "question": "Calculate 31 + 14 =", "choices": {"text": ["45", "44", "46", "55"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1565_1d2d_max2d_minus", "question": "Calculate 0 - 85 =", "choices": {"text": ["-85", "85", "-84", "-86"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q7642_2d2d_max2d_minus", "question": "Calculate 18 - 51 =", "choices": {"text": ["-34", "-33", "-32", "33"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q6336_2d2d_max2d_minus", "question": "Calculate 72 - 35 =", "choices": {"text": ["47", "36", "37", "38"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q7631_2d2d_max2d_minus", "question": "Calculate 60 - 93 =", "choices": {"text": ["-34", "33", "-32", "-33"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q7632_2d2d_max2d_minus", "question": "Calculate 93 - 60 =", "choices": {"text": ["34", "32", "43", "33"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6303_2d2d_max2d_plus", "question": "Calculate 69 + 27 =", "choices": {"text": ["95", "96", "106", "97"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1416_1d2d_max2d_minus", "question": "Calculate 0 - 14 =", "choices": {"text": ["-13", "14", "-15", "-14"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6855_2d2d_max2d_plus", "question": "Calculate 33 + 44 =", "choices": {"text": ["84", "87", "70", "77"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5977_2d2d_max2d_minus", "question": "Calculate 53 - 91 =", "choices": {"text": ["-39", "38", "-38", "-37"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q6909_2d2d_max2d_minus", "question": "Calculate 33 - 86 =", "choices": {"text": ["-53", "-52", "-54", "53"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2086_1d2d_max2d_minus", "question": "Calculate 2 - 85 =", "choices": {"text": ["83", "-83", "-82", "-84"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q765_2d1d_max2d_minus", "question": "Calculate 35 - 8 =", "choices": {"text": ["26", "28", "37", "27"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1575_1d2d_max2d_plus", "question": "Calculate 4 + 87 =", "choices": {"text": ["92", "90", "91", "101"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1805_1d2d_max2d_minus", "question": "Calculate 4 - 24 =", "choices": {"text": ["20", "-20", "-19", "-21"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q5920_2d2d_max2d_plus", "question": "Calculate 47 + 31 =", "choices": {"text": ["78", "85", "71", "88"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2181_1d2d_max2d_minus", "question": "Calculate 1 - 70 =", "choices": {"text": ["-69", "-68", "-70", "69"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5374_2d2d_max2d_plus", "question": "Calculate 26 + 69 =", "choices": {"text": ["105", "95", "94", "96"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q5352_2d2d_max2d_plus", "question": "Calculate 41 + 55 =", "choices": {"text": ["106", "96", "95", "97"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q5989_2d2d_max2d_plus", "question": "Calculate 61 + 24 =", "choices": {"text": ["84", "85", "86", "95"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q2289_2d1d_max2d_minus", "question": "Calculate 15 - 6 =", "choices": {"text": ["8", "19", "9", "10"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q97_1d1d_max1d_minus", "question": "Calculate 5 - 7 =", "choices": {"text": ["-2", "-3", "-1", "2"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1100_1d2d_max2d_plus", "question": "Calculate 2 + 54 =", "choices": {"text": ["66", "57", "55", "56"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q196_1d1d_max1d_minus", "question": "Calculate 9 - 9 =", "choices": {"text": ["-1", "10", "1", "0"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q2500_1d2d_max2d_minus", "question": "Calculate 1 - 95 =", "choices": {"text": ["-95", "94", "-93", "-94"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q2320_2d1d_max2d_minus", "question": "Calculate 56 - 8 =", "choices": {"text": ["48", "47", "58", "49"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1777_1d2d_max2d_plus", "question": "Calculate 2 + 62 =", "choices": {"text": ["74", "65", "64", "63"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q5337_2d2d_max2d_minus", "question": "Calculate 61 - 34 =", "choices": {"text": ["28", "26", "37", "27"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1540_1d2d_max2d_minus", "question": "Calculate 3 - 40 =", "choices": {"text": ["-38", "-36", "37", "-37"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6023_2d2d_max2d_minus", "question": "Calculate 11 - 22 =", "choices": {"text": ["-12", "-11", "11", "-10"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q84_1d1d_max1d_plus", "question": "Calculate 5 + 2 =", "choices": {"text": ["8", "17", "7", "6"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1120_1d2d_max2d_plus", "question": "Calculate 9 + 57 =", "choices": {"text": ["65", "67", "76", "66"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1769_1d2d_max2d_minus", "question": "Calculate 0 - 37 =", "choices": {"text": ["-38", "-36", "37", "-37"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6711_2d2d_max2d_minus", "question": "Calculate 66 - 56 =", "choices": {"text": ["20", "10", "9", "11"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q6999_2d2d_max2d_minus", "question": "Calculate 67 - 61 =", "choices": {"text": ["16", "5", "6", "7"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q532_1d2d_max2d_minus", "question": "Calculate 4 - 57 =", "choices": {"text": ["-52", "-53", "-54", "53"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q517_2d1d_max2d_plus", "question": "Calculate 26 + 9 =", "choices": {"text": ["35", "45", "34", "36"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2043_2d1d_max2d_minus", "question": "Calculate 59 - 7 =", "choices": {"text": ["62", "52", "51", "53"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q7616_2d2d_max2d_minus", "question": "Calculate 72 - 68 =", "choices": {"text": ["14", "3", "4", "5"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1016_2d1d_max2d_plus", "question": "Calculate 33 + 1 =", "choices": {"text": ["34", "44", "35", "33"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6399_2d2d_max2d_minus", "question": "Calculate 84 - 40 =", "choices": {"text": ["54", "43", "44", "45"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1980_1d2d_max2d_minus", "question": "Calculate 3 - 52 =", "choices": {"text": ["-48", "-50", "49", "-49"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5309_2d2d_max2d_plus", "question": "Calculate 23 + 20 =", "choices": {"text": ["43", "44", "53", "42"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5686_2d2d_max2d_minus", "question": "Calculate 48 - 54 =", "choices": {"text": ["-6", "-7", "6", "-5"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q218_1d1d_max1d_minus", "question": "Calculate 0 - 1 =", "choices": {"text": ["1", "0", "-1", "-2"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q5493_2d2d_max2d_minus", "question": "Calculate 48 - 40 =", "choices": {"text": ["7", "9", "18", "8"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q375_1d1d_max1d_plus", "question": "Calculate 3 + 2 =", "choices": {"text": ["4", "5", "6", "15"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q5166_2d2d_max2d_plus", "question": "Calculate 17 + 66 =", "choices": {"text": ["82", "93", "83", "84"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q5766_2d2d_max2d_plus", "question": "Calculate 10 + 89 =", "choices": {"text": ["109", "100", "98", "99"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5264_2d2d_max2d_plus", "question": "Calculate 13 + 75 =", "choices": {"text": ["98", "87", "88", "89"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q7409_2d2d_max2d_plus", "question": "Calculate 13 + 81 =", "choices": {"text": ["93", "95", "94", "104"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q750_1d2d_max2d_plus", "question": "Calculate 8 + 42 =", "choices": {"text": ["51", "50", "60", "49"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q6673_2d2d_max2d_plus", "question": "Calculate 46 + 41 =", "choices": {"text": ["87", "88", "97", "86"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2128_1d2d_max2d_plus", "question": "Calculate 1 + 58 =", "choices": {"text": ["58", "69", "60", "59"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6024_2d2d_max2d_minus", "question": "Calculate 22 - 11 =", "choices": {"text": ["12", "10", "11", "21"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q225_1d1d_max1d_plus", "question": "Calculate 3 + 9 =", "choices": {"text": ["13", "11", "12", "22"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q5202_2d2d_max2d_minus", "question": "Calculate 39 - 67 =", "choices": {"text": ["-29", "-28", "28", "-27"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q601_2d1d_max2d_plus", "question": "Calculate 79 + 3 =", "choices": {"text": ["83", "82", "81", "92"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1143_2d1d_max2d_minus", "question": "Calculate 62 - 4 =", "choices": {"text": ["58", "57", "59", "68"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1390_1d2d_max2d_minus", "question": "Calculate 9 - 44 =", "choices": {"text": ["35", "-36", "-34", "-35"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q684_1d2d_max2d_minus", "question": "Calculate 5 - 43 =", "choices": {"text": ["-38", "38", "-39", "-37"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q7511_2d2d_max2d_minus", "question": "Calculate 10 - 52 =", "choices": {"text": ["42", "-43", "-42", "-41"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q5796_2d2d_max2d_plus", "question": "Calculate 50 + 25 =", "choices": {"text": ["68", "85", "75", "82"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1703_1d2d_max2d_minus", "question": "Calculate 4 - 41 =", "choices": {"text": ["-38", "-37", "37", "-36"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q5846_2d2d_max2d_minus", "question": "Calculate 11 - 60 =", "choices": {"text": ["-49", "-50", "-48", "49"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q7638_2d2d_max2d_minus", "question": "Calculate 46 - 61 =", "choices": {"text": ["-16", "15", "-15", "-14"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q7671_2d2d_max2d_plus", "question": "Calculate 30 + 57 =", "choices": {"text": ["97", "88", "86", "87"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6784_2d2d_max2d_minus", "question": "Calculate 17 - 86 =", "choices": {"text": ["69", "-70", "-68", "-69"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1028_2d1d_max2d_minus", "question": "Calculate 44 - 6 =", "choices": {"text": ["38", "48", "37", "39"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q7425_2d2d_max2d_minus", "question": "Calculate 82 - 51 =", "choices": {"text": ["32", "41", "30", "31"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5821_2d2d_max2d_minus", "question": "Calculate 70 - 84 =", "choices": {"text": ["-13", "-15", "14", "-14"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6104_2d2d_max2d_plus", "question": "Calculate 36 + 46 =", "choices": {"text": ["81", "83", "92", "82"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q914_2d1d_max2d_minus", "question": "Calculate 74 - 0 =", "choices": {"text": ["67", "81", "84", "74"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q435_2d1d_max2d_minus", "question": "Calculate 46 - 0 =", "choices": {"text": ["46", "47", "45", "56"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5265_2d2d_max2d_plus", "question": "Calculate 75 + 13 =", "choices": {"text": ["89", "88", "98", "87"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q7538_2d2d_max2d_minus", "question": "Calculate 39 - 52 =", "choices": {"text": ["-13", "-12", "-14", "13"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2180_2d1d_max2d_plus", "question": "Calculate 76 + 7 =", "choices": {"text": ["84", "83", "82", "93"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1105_2d1d_max2d_minus", "question": "Calculate 28 - 3 =", "choices": {"text": ["24", "35", "26", "25"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6638_2d2d_max2d_minus", "question": "Calculate 22 - 45 =", "choices": {"text": ["-22", "-23", "23", "-24"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q5508_2d2d_max2d_minus", "question": "Calculate 62 - 10 =", "choices": {"text": ["51", "53", "52", "62"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q7621_2d2d_max2d_minus", "question": "Calculate 22 - 32 =", "choices": {"text": ["-10", "-11", "-9", "10"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q695_2d1d_max2d_minus", "question": "Calculate 51 - 5 =", "choices": {"text": ["56", "46", "47", "45"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q6857_2d2d_max2d_plus", "question": "Calculate 16 + 53 =", "choices": {"text": ["68", "70", "79", "69"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1178_1d2d_max2d_minus", "question": "Calculate 4 - 74 =", "choices": {"text": ["-70", "-71", "70", "-69"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5178_2d2d_max2d_minus", "question": "Calculate 34 - 82 =", "choices": {"text": ["-48", "48", "-49", "-47"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6771_2d2d_max2d_minus", "question": "Calculate 30 - 48 =", "choices": {"text": ["-18", "18", "-19", "-17"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6684_2d2d_max2d_minus", "question": "Calculate 83 - 52 =", "choices": {"text": ["30", "32", "41", "31"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5172_2d2d_max2d_plus", "question": "Calculate 18 + 46 =", "choices": {"text": ["63", "74", "64", "65"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1551_2d1d_max2d_minus", "question": "Calculate 13 - 7 =", "choices": {"text": ["6", "7", "5", "16"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5940_2d2d_max2d_minus", "question": "Calculate 35 - 44 =", "choices": {"text": ["9", "-8", "-10", "-9"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5768_2d2d_max2d_plus", "question": "Calculate 35 + 59 =", "choices": {"text": ["104", "93", "95", "94"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q823_1d2d_max2d_plus", "question": "Calculate 2 + 64 =", "choices": {"text": ["76", "66", "67", "65"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1298_1d2d_max2d_plus", "question": "Calculate 0 + 92 =", "choices": {"text": ["92", "91", "93", "102"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q841_1d2d_max2d_minus", "question": "Calculate 8 - 30 =", "choices": {"text": ["22", "-23", "-22", "-21"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q400_1d2d_max2d_minus", "question": "Calculate 2 - 77 =", "choices": {"text": ["-75", "75", "-74", "-76"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q62_1d1d_max1d_plus", "question": "Calculate 4 + 7 =", "choices": {"text": ["12", "10", "11", "21"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q7558_2d2d_max2d_plus", "question": "Calculate 33 + 66 =", "choices": {"text": ["99", "109", "98", "100"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q929_1d2d_max2d_minus", "question": "Calculate 9 - 66 =", "choices": {"text": ["-56", "-57", "-58", "57"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q6468_2d2d_max2d_plus", "question": "Calculate 28 + 15 =", "choices": {"text": ["42", "43", "44", "53"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q181_1d1d_max1d_plus", "question": "Calculate 8 + 4 =", "choices": {"text": ["11", "22", "13", "12"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q149_1d1d_max1d_minus", "question": "Calculate 3 - 5 =", "choices": {"text": ["-3", "2", "-1", "-2"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6692_2d2d_max2d_minus", "question": "Calculate 84 - 69 =", "choices": {"text": ["25", "15", "16", "14"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q197_1d1d_max1d_plus", "question": "Calculate 3 + 7 =", "choices": {"text": ["20", "9", "11", "10"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q7074_2d2d_max2d_plus", "question": "Calculate 52 + 47 =", "choices": {"text": ["109", "100", "99", "98"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q190_1d1d_max1d_plus", "question": "Calculate 8 + 3 =", "choices": {"text": ["10", "21", "12", "11"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6762_2d2d_max2d_minus", "question": "Calculate 74 - 45 =", "choices": {"text": ["29", "39", "30", "28"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q293_1d1d_max1d_minus", "question": "Calculate 3 - 6 =", "choices": {"text": ["-4", "-3", "3", "-2"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q2108_1d2d_max2d_plus", "question": "Calculate 2 + 84 =", "choices": {"text": ["87", "96", "86", "85"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q379_1d1d_max1d_plus", "question": "Calculate 7 + 7 =", "choices": {"text": ["13", "24", "15", "14"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q49_1d1d_max1d_plus", "question": "Calculate 8 + 2 =", "choices": {"text": ["11", "9", "20", "10"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1112_1d2d_max2d_plus", "question": "Calculate 6 + 12 =", "choices": {"text": ["19", "28", "18", "17"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1671_2d1d_max2d_plus", "question": "Calculate 14 + 8 =", "choices": {"text": ["22", "23", "32", "21"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6052_2d2d_max2d_plus", "question": "Calculate 22 + 47 =", "choices": {"text": ["70", "79", "69", "68"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q838_2d1d_max2d_plus", "question": "Calculate 41 + 6 =", "choices": {"text": ["47", "57", "48", "46"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q7639_2d2d_max2d_minus", "question": "Calculate 39 - 85 =", "choices": {"text": ["-45", "46", "-46", "-47"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1274_1d2d_max2d_plus", "question": "Calculate 1 + 42 =", "choices": {"text": ["44", "53", "42", "43"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q412_1d2d_max2d_plus", "question": "Calculate 0 + 29 =", "choices": {"text": ["39", "29", "30", "28"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q13_1d1d_max1d_plus", "question": "Calculate 2 + 2 =", "choices": {"text": ["5", "4", "14", "3"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q7153_2d2d_max2d_minus", "question": "Calculate 75 - 72 =", "choices": {"text": ["3", "2", "13", "4"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2253_2d1d_max2d_minus", "question": "Calculate 17 - 1 =", "choices": {"text": ["16", "15", "26", "17"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6696_2d2d_max2d_minus", "question": "Calculate 38 - 93 =", "choices": {"text": ["-56", "55", "-55", "-54"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q6969_2d2d_max2d_minus", "question": "Calculate 59 - 49 =", "choices": {"text": ["11", "9", "20", "10"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q72_1d1d_max1d_minus", "question": "Calculate 7 - 4 =", "choices": {"text": ["13", "4", "2", "3"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1171_2d1d_max2d_minus", "question": "Calculate 29 - 7 =", "choices": {"text": ["21", "22", "32", "23"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q450_1d2d_max2d_plus", "question": "Calculate 1 + 78 =", "choices": {"text": ["72", "86", "89", "79"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1934_1d2d_max2d_plus", "question": "Calculate 7 + 68 =", "choices": {"text": ["82", "85", "75", "68"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q7203_2d2d_max2d_minus", "question": "Calculate 34 - 76 =", "choices": {"text": ["-43", "42", "-41", "-42"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6640_2d2d_max2d_minus", "question": "Calculate 29 - 88 =", "choices": {"text": ["59", "-58", "-60", "-59"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q325_1d1d_max1d_plus", "question": "Calculate 6 + 2 =", "choices": {"text": ["9", "8", "7", "18"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q875_1d2d_max2d_minus", "question": "Calculate 4 - 90 =", "choices": {"text": ["-86", "86", "-85", "-87"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6698_2d2d_max2d_minus", "question": "Calculate 49 - 53 =", "choices": {"text": ["-3", "-5", "-4", "4"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q5847_2d2d_max2d_minus", "question": "Calculate 43 - 32 =", "choices": {"text": ["21", "11", "10", "12"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1186_1d2d_max2d_minus", "question": "Calculate 2 - 19 =", "choices": {"text": ["-16", "-17", "17", "-18"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q6763_2d2d_max2d_minus", "question": "Calculate 99 - 70 =", "choices": {"text": ["29", "28", "30", "39"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2468_1d2d_max2d_minus", "question": "Calculate 7 - 48 =", "choices": {"text": ["-41", "-40", "41", "-42"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6154_2d2d_max2d_minus", "question": "Calculate 89 - 25 =", "choices": {"text": ["65", "74", "63", "64"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1830_2d1d_max2d_plus", "question": "Calculate 77 + 5 =", "choices": {"text": ["82", "81", "92", "83"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q31_1d1d_max1d_minus", "question": "Calculate 4 - 5 =", "choices": {"text": ["-2", "0", "1", "-1"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1514_2d1d_max2d_plus", "question": "Calculate 87 + 7 =", "choices": {"text": ["93", "104", "95", "94"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q890_2d1d_max2d_plus", "question": "Calculate 15 + 2 =", "choices": {"text": ["18", "16", "27", "17"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q7323_2d2d_max2d_plus", "question": "Calculate 83 + 15 =", "choices": {"text": ["98", "97", "99", "108"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q10_1d1d_max1d_minus", "question": "Calculate 9 - 0 =", "choices": {"text": ["10", "8", "19", "9"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6194_2d2d_max2d_minus", "question": "Calculate 32 - 33 =", "choices": {"text": ["-1", "0", "1", "-2"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q61_1d1d_max1d_minus", "question": "Calculate 2 - 2 =", "choices": {"text": ["10", "-1", "0", "1"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1290_1d2d_max2d_plus", "question": "Calculate 1 + 40 =", "choices": {"text": ["42", "41", "51", "40"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1067_2d1d_max2d_plus", "question": "Calculate 74 + 9 =", "choices": {"text": ["84", "82", "93", "83"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6625_2d2d_max2d_minus", "question": "Calculate 28 - 57 =", "choices": {"text": ["-30", "29", "-28", "-29"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1895_2d1d_max2d_plus", "question": "Calculate 67 + 7 =", "choices": {"text": ["74", "81", "84", "67"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1313_2d1d_max2d_minus", "question": "Calculate 57 - 3 =", "choices": {"text": ["53", "64", "54", "55"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q17_1d1d_max1d_plus", "question": "Calculate 1 + 7 =", "choices": {"text": ["8", "7", "18", "9"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q533_2d1d_max2d_minus", "question": "Calculate 57 - 4 =", "choices": {"text": ["52", "63", "53", "54"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1624_1d2d_max2d_minus", "question": "Calculate 5 - 20 =", "choices": {"text": ["-16", "-14", "-15", "15"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q5897_2d2d_max2d_minus", "question": "Calculate 81 - 19 =", "choices": {"text": ["72", "63", "61", "62"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6728_2d2d_max2d_plus", "question": "Calculate 27 + 33 =", "choices": {"text": ["61", "60", "70", "59"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q411_2d1d_max2d_plus", "question": "Calculate 65 + 4 =", "choices": {"text": ["68", "70", "69", "79"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q414_1d2d_max2d_minus", "question": "Calculate 6 - 41 =", "choices": {"text": ["-36", "-35", "35", "-34"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q7061_2d2d_max2d_plus", "question": "Calculate 54 + 43 =", "choices": {"text": ["107", "98", "97", "96"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q2234_1d2d_max2d_plus", "question": "Calculate 6 + 85 =", "choices": {"text": ["90", "101", "92", "91"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q680_2d1d_max2d_minus", "question": "Calculate 73 - 9 =", "choices": {"text": ["74", "64", "63", "65"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1859_1d2d_max2d_minus", "question": "Calculate 1 - 25 =", "choices": {"text": ["-24", "24", "-23", "-25"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1101_2d1d_max2d_plus", "question": "Calculate 54 + 2 =", "choices": {"text": ["56", "57", "66", "55"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q866_1d2d_max2d_minus", "question": "Calculate 8 - 33 =", "choices": {"text": ["25", "-26", "-24", "-25"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q934_2d1d_max2d_plus", "question": "Calculate 52 + 3 =", "choices": {"text": ["65", "54", "55", "56"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q71_1d1d_max1d_minus", "question": "Calculate 8 - 2 =", "choices": {"text": ["16", "6", "7", "5"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q7002_2d2d_max2d_plus", "question": "Calculate 38 + 31 =", "choices": {"text": ["68", "79", "70", "69"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5870_2d2d_max2d_minus", "question": "Calculate 31 - 97 =", "choices": {"text": ["-67", "-66", "-65", "66"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q6525_2d2d_max2d_plus", "question": "Calculate 30 + 27 =", "choices": {"text": ["57", "58", "67", "56"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5207_2d2d_max2d_minus", "question": "Calculate 18 - 25 =", "choices": {"text": ["-8", "7", "-6", "-7"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5757_2d2d_max2d_minus", "question": "Calculate 56 - 39 =", "choices": {"text": ["17", "16", "27", "18"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5671_2d2d_max2d_plus", "question": "Calculate 62 + 18 =", "choices": {"text": ["80", "79", "90", "81"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q2166_1d2d_max2d_plus", "question": "Calculate 5 + 38 =", "choices": {"text": ["44", "43", "42", "53"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q6529_2d2d_max2d_minus", "question": "Calculate 66 - 36 =", "choices": {"text": ["30", "31", "29", "40"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1216_1d2d_max2d_plus", "question": "Calculate 1 + 43 =", "choices": {"text": ["54", "43", "45", "44"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1536_1d2d_max2d_plus", "question": "Calculate 5 + 15 =", "choices": {"text": ["21", "19", "30", "20"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6704_2d2d_max2d_minus", "question": "Calculate 49 - 85 =", "choices": {"text": ["-36", "-37", "-35", "36"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5725_2d2d_max2d_minus", "question": "Calculate 30 - 33 =", "choices": {"text": ["3", "-4", "-3", "-2"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q5169_2d2d_max2d_minus", "question": "Calculate 44 - 23 =", "choices": {"text": ["31", "21", "22", "20"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q5863_2d2d_max2d_minus", "question": "Calculate 95 - 98 =", "choices": {"text": ["-2", "-4", "3", "-3"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1322_1d2d_max2d_plus", "question": "Calculate 6 + 89 =", "choices": {"text": ["95", "94", "105", "96"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q628_2d1d_max2d_minus", "question": "Calculate 58 - 6 =", "choices": {"text": ["62", "51", "52", "53"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q495_2d1d_max2d_minus", "question": "Calculate 94 - 8 =", "choices": {"text": ["87", "85", "86", "96"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q447_2d1d_max2d_plus", "question": "Calculate 52 + 6 =", "choices": {"text": ["68", "58", "57", "59"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q5727_2d2d_max2d_minus", "question": "Calculate 69 - 66 =", "choices": {"text": ["2", "13", "3", "4"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q7563_2d2d_max2d_minus", "question": "Calculate 48 - 29 =", "choices": {"text": ["29", "19", "18", "20"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q1019_1d2d_max2d_plus", "question": "Calculate 9 + 23 =", "choices": {"text": ["31", "33", "42", "32"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q7154_2d2d_max2d_minus", "question": "Calculate 72 - 75 =", "choices": {"text": ["-4", "3", "-3", "-2"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q803_1d2d_max2d_minus", "question": "Calculate 1 - 97 =", "choices": {"text": ["-97", "96", "-95", "-96"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q7596_2d2d_max2d_plus", "question": "Calculate 39 + 34 =", "choices": {"text": ["83", "73", "80", "66"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q6101_2d2d_max2d_minus", "question": "Calculate 36 - 37 =", "choices": {"text": ["1", "-2", "-1", "0"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q2361_1d2d_max2d_minus", "question": "Calculate 3 - 81 =", "choices": {"text": ["-77", "78", "-78", "-79"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q2142_1d2d_max2d_minus", "question": "Calculate 5 - 83 =", "choices": {"text": ["-77", "-79", "-78", "78"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q6437_2d2d_max2d_minus", "question": "Calculate 32 - 36 =", "choices": {"text": ["-3", "-4", "4", "-5"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q431_2d1d_max2d_minus", "question": "Calculate 43 - 1 =", "choices": {"text": ["52", "43", "42", "41"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1371_2d1d_max2d_plus", "question": "Calculate 57 + 3 =", "choices": {"text": ["59", "60", "70", "61"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q5401_2d2d_max2d_minus", "question": "Calculate 70 - 81 =", "choices": {"text": ["-11", "-12", "-10", "11"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1240_1d2d_max2d_plus", "question": "Calculate 8 + 27 =", "choices": {"text": ["34", "35", "45", "36"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q7380_2d2d_max2d_minus", "question": "Calculate 42 - 89 =", "choices": {"text": ["-47", "-48", "47", "-46"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q6060_2d2d_max2d_minus", "question": "Calculate 33 - 56 =", "choices": {"text": ["23", "-24", "-22", "-23"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q1385_2d1d_max2d_minus", "question": "Calculate 35 - 6 =", "choices": {"text": ["30", "28", "29", "39"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q0_1d1d_max1d_plus", "question": "Calculate 7 + 0 =", "choices": {"text": ["6", "7", "17", "8"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q6305_2d2d_max2d_minus", "question": "Calculate 37 - 92 =", "choices": {"text": ["-56", "-55", "-54", "55"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "easy"}
{"id": "q7058_2d2d_max2d_minus", "question": "Calculate 78 - 43 =", "choices": {"text": ["34", "36", "45", "35"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5506_2d2d_max2d_minus", "question": "Calculate 69 - 10 =", "choices": {"text": ["69", "60", "58", "59"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6804_2d2d_max2d_minus", "question": "Calculate 52 - 68 =", "choices": {"text": ["-15", "-17", "16", "-16"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5641_2d2d_max2d_minus", "question": "Calculate 76 - 37 =", "choices": {"text": ["38", "49", "39", "40"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q1457_1d2d_max2d_plus", "question": "Calculate 1 + 20 =", "choices": {"text": ["31", "22", "21", "20"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q758_1d2d_max2d_plus", "question": "Calculate 6 + 87 =", "choices": {"text": ["94", "103", "93", "92"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "easy"}
{"id": "q782_2d1d_max2d_plus", "question": "Calculate 94 + 4 =", "choices": {"text": ["99", "97", "108", "98"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q7290_2d2d_max2d_plus", "question": "Calculate 49 + 46 =", "choices": {"text": ["94", "96", "105", "95"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q6577_2d2d_max2d_plus", "question": "Calculate 26 + 36 =", "choices": {"text": ["63", "61", "72", "62"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q2233_2d1d_max2d_plus", "question": "Calculate 58 + 8 =", "choices": {"text": ["76", "65", "67", "66"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q122_1d1d_max1d_minus", "question": "Calculate 5 - 8 =", "choices": {"text": ["-3", "-2", "-4", "3"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q5824_2d2d_max2d_plus", "question": "Calculate 23 + 26 =", "choices": {"text": ["48", "50", "59", "49"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q5464_2d2d_max2d_minus", "question": "Calculate 24 - 38 =", "choices": {"text": ["-14", "-13", "-15", "14"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "easy"}
{"id": "q1124_1d2d_max2d_plus", "question": "Calculate 9 + 27 =", "choices": {"text": ["37", "35", "46", "36"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "easy"}
{"id": "q3245_1d3d_max3d_plus", "question": "Calculate 7 + 506 =", "choices": {"text": ["523", "509", "513", "517"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q4331_3d1d_max3d_minus", "question": "Calculate 141 - 1 =", "choices": {"text": ["150", "140", "154", "126"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q163_1d1d_max1d_mult", "question": "Calculate 7 * 8 =", "choices": {"text": ["66", "56", "55", "57"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q3876_1d3d_max3d_minus", "question": "Calculate 3 - 435 =", "choices": {"text": ["432", "-433", "-431", "-432"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q5025_1d3d_max3d_minus", "question": "Calculate 5 - 233 =", "choices": {"text": ["-227", "228", "-228", "-229"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q13019_3d3d_max3d_plus", "question": "Calculate 778 + 437 =", "choices": {"text": ["1215", "1104", "1326", "1225"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q7487_2d2d_max2d_mult", "question": "Calculate 10 * 84 =", "choices": {"text": ["832", "848", "850", "840"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q3689_3d1d_max3d_div", "question": "Calculate 535 / 1 =", "choices": {"text": ["535", "539", "531", "545"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q9336_3d2d_max3d_plus", "question": "Calculate 249 + 74 =", "choices": {"text": ["327", "323", "333", "319"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q10092_3d2d_max3d_plus", "question": "Calculate 205 + 12 =", "choices": {"text": ["227", "217", "215", "219"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q12044_3d3d_max3d_plus", "question": "Calculate 156 + 342 =", "choices": {"text": ["494", "508", "502", "498"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q335_2d1d_max2d_div", "question": "Calculate 54 / 9 =", "choices": {"text": ["5", "7", "6", "16"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q10256_3d2d_max3d_minus", "question": "Calculate 389 - 57 =", "choices": {"text": ["336", "328", "342", "332"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q962_3d1d_max3d_div", "question": "Calculate 656 / 8 =", "choices": {"text": ["82", "92", "83", "81"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q1508_2d2d_max2d_div", "question": "Calculate 81 / 27 =", "choices": {"text": ["13", "3", "4", "2"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q6049_2d2d_max2d_plus", "question": "Calculate 85 + 47 =", "choices": {"text": ["132", "133", "131", "142"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q2057_2d2d_max2d_div", "question": "Calculate 11 / 11 =", "choices": {"text": ["0", "1", "11", "2"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q6127_2d2d_max2d_plus", "question": "Calculate 59 + 44 =", "choices": {"text": ["104", "103", "102", "113"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q9318_3d2d_max3d_minus", "question": "Calculate 713 - 41 =", "choices": {"text": ["672", "664", "680", "682"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q1937_2d1d_max2d_mult", "question": "Calculate 68 * 7 =", "choices": {"text": ["476", "480", "472", "486"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q10255_2d3d_max3d_minus", "question": "Calculate 57 - 389 =", "choices": {"text": ["-333", "-332", "-331", "332"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q2623_3d2d_max3d_div", "question": "Calculate 513 / 57 =", "choices": {"text": ["8", "19", "10", "9"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q8754_3d2d_max3d_plus", "question": "Calculate 966 + 87 =", "choices": {"text": ["1061", "1063", "1053", "1045"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q2793_1d3d_max3d_plus", "question": "Calculate 6 + 394 =", "choices": {"text": ["410", "404", "396", "400"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q5037_1d3d_max3d_plus", "question": "Calculate 5 + 325 =", "choices": {"text": ["326", "330", "334", "340"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q11561_3d3d_max3d_minus", "question": "Calculate 475 - 106 =", "choices": {"text": ["379", "373", "369", "365"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q4915_3d1d_max3d_plus", "question": "Calculate 661 + 8 =", "choices": {"text": ["669", "679", "677", "661"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q2637_3d1d_max3d_plus", "question": "Calculate 253 + 1 =", "choices": {"text": ["254", "264", "256", "252"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q2682_3d1d_max3d_minus", "question": "Calculate 275 - 1 =", "choices": {"text": ["276", "272", "284", "274"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q11741_3d3d_max3d_minus", "question": "Calculate 271 - 574 =", "choices": {"text": ["303", "-304", "-303", "-302"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q10007_2d3d_max3d_minus", "question": "Calculate 72 - 720 =", "choices": {"text": ["-647", "-648", "648", "-649"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q9706_3d2d_max3d_plus", "question": "Calculate 756 + 96 =", "choices": {"text": ["852", "862", "844", "860"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q10846_3d3d_max3d_minus", "question": "Calculate 795 - 172 =", "choices": {"text": ["633", "561", "685", "623"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q12045_3d3d_max3d_minus", "question": "Calculate 224 - 957 =", "choices": {"text": ["-733", "733", "-732", "-734"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q7589_2d2d_max2d_plus", "question": "Calculate 89 + 91 =", "choices": {"text": ["180", "182", "178", "190"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q4644_1d3d_max3d_minus", "question": "Calculate 0 - 990 =", "choices": {"text": ["-990", "-989", "990", "-991"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q4102_1d3d_max3d_mult", "question": "Calculate 5 * 191 =", "choices": {"text": ["955", "947", "963", "965"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q4557_3d1d_max3d_minus", "question": "Calculate 108 - 1 =", "choices": {"text": ["108", "117", "107", "106"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q4956_1d3d_max3d_div", "question": "Calculate 0 / 925 =", "choices": {"text": ["10", "-1", "0", "1"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q8359_2d3d_max3d_plus", "question": "Calculate 15 + 693 =", "choices": {"text": ["700", "708", "716", "718"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q6457_2d2d_max2d_mult", "question": "Calculate 62 * 12 =", "choices": {"text": ["754", "736", "744", "752"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q3510_3d1d_max3d_minus", "question": "Calculate 237 - 9 =", "choices": {"text": ["226", "228", "238", "230"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q9553_2d3d_max3d_plus", "question": "Calculate 30 + 394 =", "choices": {"text": ["434", "428", "424", "420"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q13048_3d3d_max3d_minus", "question": "Calculate 561 - 621 =", "choices": {"text": ["-61", "-60", "-59", "60"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q11957_3d3d_max3d_minus", "question": "Calculate 714 - 199 =", "choices": {"text": ["515", "525", "519", "511"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q1584_2d1d_max2d_mult", "question": "Calculate 42 * 9 =", "choices": {"text": ["382", "378", "388", "374"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q8674_3d2d_max3d_minus", "question": "Calculate 421 - 40 =", "choices": {"text": ["377", "391", "385", "381"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q1081_2d1d_max2d_mult", "question": "Calculate 56 * 7 =", "choices": {"text": ["388", "392", "402", "396"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q4328_1d3d_max3d_minus", "question": "Calculate 2 - 363 =", "choices": {"text": ["361", "-361", "-362", "-360"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q6140_2d2d_max2d_mult", "question": "Calculate 22 * 25 =", "choices": {"text": ["495", "605", "550", "560"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q4193_3d1d_max3d_mult", "question": "Calculate 138 * 3 =", "choices": {"text": ["414", "410", "418", "424"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q1678_2d1d_max2d_mult", "question": "Calculate 22 * 3 =", "choices": {"text": ["66", "76", "67", "65"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q8494_3d2d_max3d_plus", "question": "Calculate 578 + 43 =", "choices": {"text": ["621", "559", "631", "683"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q1759_1d2d_max2d_plus", "question": "Calculate 9 + 95 =", "choices": {"text": ["103", "114", "104", "105"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q7891_2d3d_max3d_plus", "question": "Calculate 81 + 983 =", "choices": {"text": ["1064", "1056", "1074", "1072"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q5457_2d2d_max2d_plus", "question": "Calculate 32 + 85 =", "choices": {"text": ["116", "118", "117", "127"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q1048_2d1d_max2d_div", "question": "Calculate 25 / 1 =", "choices": {"text": ["26", "25", "35", "24"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q10144_3d2d_max3d_plus", "question": "Calculate 212 + 20 =", "choices": {"text": ["232", "242", "230", "234"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q9239_2d3d_max3d_minus", "question": "Calculate 28 - 278 =", "choices": {"text": ["-251", "-250", "250", "-249"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q1938_3d1d_max3d_div", "question": "Calculate 476 / 7 =", "choices": {"text": ["78", "68", "69", "67"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q11747_3d3d_max3d_plus", "question": "Calculate 782 + 567 =", "choices": {"text": ["1359", "1349", "1334", "1364"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q11772_3d3d_max3d_minus", "question": "Calculate 995 - 262 =", "choices": {"text": ["733", "725", "743", "741"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q7856_3d2d_max3d_plus", "question": "Calculate 777 + 19 =", "choices": {"text": ["806", "788", "804", "796"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q3308_1d3d_max3d_plus", "question": "Calculate 3 + 458 =", "choices": {"text": ["465", "457", "471", "461"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q1758_2d1d_max2d_plus", "question": "Calculate 97 + 9 =", "choices": {"text": ["106", "105", "107", "116"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q10116_3d2d_max3d_minus", "question": "Calculate 714 - 45 =", "choices": {"text": ["677", "661", "679", "669"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q10558_3d3d_max3d_minus", "question": "Calculate 871 - 658 =", "choices": {"text": ["223", "215", "211", "213"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q10219_2d3d_max3d_minus", "question": "Calculate 80 - 182 =", "choices": {"text": ["-102", "-103", "-101", "102"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q2002_1d2d_max2d_mult", "question": "Calculate 7 * 66 =", "choices": {"text": ["466", "472", "458", "462"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q5165_3d1d_max3d_minus", "question": "Calculate 575 - 3 =", "choices": {"text": ["572", "582", "628", "516"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q11872_3d3d_max3d_minus", "question": "Calculate 739 - 338 =", "choices": {"text": ["397", "405", "401", "411"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q11350_3d3d_max3d_minus", "question": "Calculate 962 - 742 =", "choices": {"text": ["230", "222", "218", "220"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q1838_2d1d_max2d_mult", "question": "Calculate 72 * 4 =", "choices": {"text": ["260", "288", "316", "298"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q1516_2d1d_max2d_mult", "question": "Calculate 71 * 5 =", "choices": {"text": ["359", "351", "355", "365"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q11252_3d3d_max3d_plus", "question": "Calculate 891 + 956 =", "choices": {"text": ["1862", "1832", "1857", "1847"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q5979_2d2d_max2d_plus", "question": "Calculate 65 + 76 =", "choices": {"text": ["155", "151", "141", "127"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q1638_3d1d_max3d_div", "question": "Calculate 175 / 7 =", "choices": {"text": ["25", "35", "24", "26"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q2223_3d2d_max3d_div", "question": "Calculate 300 / 50 =", "choices": {"text": ["7", "16", "6", "5"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q11257_3d3d_max3d_plus", "question": "Calculate 995 + 301 =", "choices": {"text": ["1296", "1306", "1311", "1281"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q7367_2d2d_max2d_plus", "question": "Calculate 86 + 33 =", "choices": {"text": ["120", "118", "119", "129"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q7798_3d2d_max3d_minus", "question": "Calculate 674 - 41 =", "choices": {"text": ["695", "633", "643", "571"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q1798_2d1d_max2d_mult", "question": "Calculate 59 * 7 =", "choices": {"text": ["423", "413", "409", "417"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q4820_1d3d_max3d_mult", "question": "Calculate 3 * 148 =", "choices": {"text": ["454", "448", "440", "444"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q4256_3d1d_max3d_plus", "question": "Calculate 953 + 9 =", "choices": {"text": ["954", "972", "962", "970"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q1750_2d1d_max2d_mult", "question": "Calculate 18 * 4 =", "choices": {"text": ["79", "72", "82", "65"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q9891_2d3d_max3d_minus", "question": "Calculate 15 - 758 =", "choices": {"text": ["-742", "-744", "743", "-743"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q2248_1d2d_max2d_mult", "question": "Calculate 9 * 94 =", "choices": {"text": ["856", "854", "846", "838"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q2719_3d1d_max3d_div", "question": "Calculate 162 / 1 =", "choices": {"text": ["160", "164", "162", "172"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q8816_3d2d_max3d_plus", "question": "Calculate 349 + 75 =", "choices": {"text": ["420", "428", "434", "424"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q10302_3d2d_max3d_minus", "question": "Calculate 634 - 25 =", "choices": {"text": ["553", "665", "619", "609"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q12907_3d3d_max3d_minus", "question": "Calculate 772 - 210 =", "choices": {"text": ["618", "572", "562", "506"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q10411_3d3d_max3d_plus", "question": "Calculate 240 + 334 =", "choices": {"text": ["630", "584", "518", "574"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q6888_2d2d_max2d_plus", "question": "Calculate 84 + 27 =", "choices": {"text": ["110", "111", "121", "112"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q8866_3d2d_max3d_minus", "question": "Calculate 232 - 50 =", "choices": {"text": ["184", "180", "192", "182"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q6137_2d2d_max2d_plus", "question": "Calculate 78 + 52 =", "choices": {"text": ["140", "131", "129", "130"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q12878_3d3d_max3d_minus", "question": "Calculate 244 - 354 =", "choices": {"text": ["-111", "-110", "110", "-109"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q2699_1d3d_max3d_plus", "question": "Calculate 9 + 245 =", "choices": {"text": ["264", "252", "254", "256"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q12898_3d3d_max3d_plus", "question": "Calculate 744 + 570 =", "choices": {"text": ["1299", "1324", "1329", "1314"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q547_3d2d_max3d_div", "question": "Calculate 168 / 28 =", "choices": {"text": ["5", "16", "7", "6"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q6658_2d2d_max2d_plus", "question": "Calculate 89 + 39 =", "choices": {"text": ["129", "138", "128", "127"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q9213_2d3d_max3d_minus", "question": "Calculate 18 - 226 =", "choices": {"text": ["208", "-209", "-207", "-208"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q8783_2d3d_max3d_plus", "question": "Calculate 29 + 159 =", "choices": {"text": ["198", "188", "190", "186"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q1720_2d1d_max2d_mult", "question": "Calculate 83 * 8 =", "choices": {"text": ["664", "672", "674", "656"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q2077_3d2d_max3d_div", "question": "Calculate 234 / 39 =", "choices": {"text": ["7", "6", "16", "5"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q2566_3d1d_max3d_div", "question": "Calculate 106 / 2 =", "choices": {"text": ["52", "54", "63", "53"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q2964_1d3d_max3d_minus", "question": "Calculate 4 - 840 =", "choices": {"text": ["836", "-837", "-835", "-836"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q6278_3d2d_max3d_div", "question": "Calculate 756 / 28 =", "choices": {"text": ["28", "37", "27", "26"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q4655_3d1d_max3d_minus", "question": "Calculate 220 - 0 =", "choices": {"text": ["230", "220", "222", "218"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q1593_1d2d_max2d_mult", "question": "Calculate 4 * 99 =", "choices": {"text": ["392", "406", "396", "400"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q626_3d2d_max3d_div", "question": "Calculate 244 / 61 =", "choices": {"text": ["14", "5", "4", "3"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q5934_2d2d_max2d_mult", "question": "Calculate 40 * 20 =", "choices": {"text": ["800", "808", "792", "810"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q5035_1d3d_max3d_minus", "question": "Calculate 5 - 916 =", "choices": {"text": ["-912", "-910", "911", "-911"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q8619_2d3d_max3d_plus", "question": "Calculate 26 + 871 =", "choices": {"text": ["889", "897", "905", "907"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q3711_3d1d_max3d_minus", "question": "Calculate 883 - 9 =", "choices": {"text": ["882", "866", "884", "874"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q3423_1d3d_max3d_minus", "question": "Calculate 1 - 755 =", "choices": {"text": ["-753", "-754", "-755", "754"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q4247_1d3d_max3d_plus", "question": "Calculate 1 + 684 =", "choices": {"text": ["693", "685", "695", "677"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q10593_3d3d_max3d_minus", "question": "Calculate 110 - 243 =", "choices": {"text": ["-133", "133", "-132", "-134"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q4002_1d3d_max3d_minus", "question": "Calculate 9 - 323 =", "choices": {"text": ["-315", "-314", "314", "-313"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q11273_3d3d_max3d_minus", "question": "Calculate 720 - 715 =", "choices": {"text": ["5", "15", "4", "6"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q10035_2d3d_max3d_plus", "question": "Calculate 57 + 509 =", "choices": {"text": ["510", "576", "622", "566"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q3438_3d3d_max3d_div", "question": "Calculate 246 / 123 =", "choices": {"text": ["3", "2", "1", "12"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q11356_3d3d_max3d_plus", "question": "Calculate 353 + 980 =", "choices": {"text": ["1333", "1348", "1318", "1343"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q8519_2d3d_max3d_plus", "question": "Calculate 15 + 244 =", "choices": {"text": ["259", "269", "257", "261"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q4648_1d3d_max3d_minus", "question": "Calculate 4 - 522 =", "choices": {"text": ["518", "-517", "-518", "-519"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q7682_2d2d_max2d_plus", "question": "Calculate 89 + 79 =", "choices": {"text": ["170", "178", "166", "168"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q4509_3d1d_max3d_plus", "question": "Calculate 533 + 9 =", "choices": {"text": ["538", "542", "546", "552"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q3401_1d3d_max3d_minus", "question": "Calculate 7 - 423 =", "choices": {"text": ["-416", "-417", "416", "-415"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q2572_3d1d_max3d_div", "question": "Calculate 128 / 4 =", "choices": {"text": ["31", "33", "42", "32"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q768_1d2d_max2d_mult", "question": "Calculate 2 * 70 =", "choices": {"text": ["154", "126", "150", "140"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q578_3d1d_max3d_div", "question": "Calculate 420 / 6 =", "choices": {"text": ["77", "80", "70", "63"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q9301_2d3d_max3d_minus", "question": "Calculate 23 - 716 =", "choices": {"text": ["-693", "-692", "693", "-694"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q3581_3d3d_max3d_div", "question": "Calculate 282 / 282 =", "choices": {"text": ["0", "2", "1", "11"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q8194_3d2d_max3d_minus", "question": "Calculate 453 - 16 =", "choices": {"text": ["447", "433", "441", "437"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q7907_2d3d_max3d_minus", "question": "Calculate 97 - 723 =", "choices": {"text": ["-625", "-626", "-627", "626"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q12570_3d3d_max3d_plus", "question": "Calculate 314 + 834 =", "choices": {"text": ["1158", "1148", "1259", "1037"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q7193_2d2d_max2d_plus", "question": "Calculate 37 + 87 =", "choices": {"text": ["134", "123", "124", "125"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q2297_2d2d_max2d_div", "question": "Calculate 24 / 12 =", "choices": {"text": ["12", "2", "1", "3"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q1258_3d1d_max3d_div", "question": "Calculate 266 / 7 =", "choices": {"text": ["38", "37", "39", "48"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q6338_2d2d_max2d_plus", "question": "Calculate 81 + 23 =", "choices": {"text": ["103", "104", "114", "105"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q8649_2d3d_max3d_plus", "question": "Calculate 26 + 983 =", "choices": {"text": ["1001", "1019", "1017", "1009"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q12689_3d3d_max3d_plus", "question": "Calculate 944 + 300 =", "choices": {"text": ["1121", "1254", "1244", "1367"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q2652_3d1d_max3d_plus", "question": "Calculate 387 + 6 =", "choices": {"text": ["397", "389", "403", "393"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q2332_2d1d_max2d_mult", "question": "Calculate 24 * 6 =", "choices": {"text": ["144", "130", "158", "154"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q10209_2d3d_max3d_plus", "question": "Calculate 31 + 467 =", "choices": {"text": ["498", "494", "502", "508"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q856_3d1d_max3d_div", "question": "Calculate 306 / 6 =", "choices": {"text": ["52", "50", "51", "61"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q8028_3d2d_max3d_minus", "question": "Calculate 817 - 72 =", "choices": {"text": ["753", "737", "755", "745"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q10349_2d3d_max3d_minus", "question": "Calculate 93 - 670 =", "choices": {"text": ["-578", "-576", "577", "-577"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q10154_3d2d_max3d_minus", "question": "Calculate 822 - 61 =", "choices": {"text": ["761", "771", "769", "753"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q12052_3d3d_max3d_minus", "question": "Calculate 927 - 877 =", "choices": {"text": ["51", "60", "49", "50"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q1839_3d1d_max3d_div", "question": "Calculate 288 / 4 =", "choices": {"text": ["82", "79", "65", "72"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q2046_3d1d_max3d_div", "question": "Calculate 427 / 7 =", "choices": {"text": ["61", "71", "60", "62"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q490_1d2d_max2d_mult", "question": "Calculate 7 * 88 =", "choices": {"text": ["616", "626", "560", "672"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q8562_3d2d_max3d_minus", "question": "Calculate 624 - 70 =", "choices": {"text": ["499", "564", "554", "609"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q3291_1d3d_max3d_div", "question": "Calculate 0 / 555 =", "choices": {"text": ["10", "-1", "1", "0"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q11360_3d3d_max3d_minus", "question": "Calculate 284 - 546 =", "choices": {"text": ["-263", "-262", "262", "-261"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q1941_2d1d_max2d_mult", "question": "Calculate 10 * 2 =", "choices": {"text": ["19", "20", "30", "21"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q9161_2d3d_max3d_minus", "question": "Calculate 56 - 939 =", "choices": {"text": ["-882", "-883", "883", "-884"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q1907_2d2d_max2d_div", "question": "Calculate 71 / 71 =", "choices": {"text": ["0", "2", "1", "11"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q7057_2d2d_max2d_plus", "question": "Calculate 36 + 85 =", "choices": {"text": ["120", "131", "121", "122"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q1761_1d2d_max2d_mult", "question": "Calculate 1 * 16 =", "choices": {"text": ["17", "15", "26", "16"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q9111_2d3d_max3d_minus", "question": "Calculate 70 - 128 =", "choices": {"text": ["-59", "-58", "58", "-57"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q539_2d2d_max2d_div", "question": "Calculate 76 / 76 =", "choices": {"text": ["11", "2", "1", "0"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q10788_3d3d_max3d_minus", "question": "Calculate 424 - 956 =", "choices": {"text": ["-533", "532", "-532", "-531"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q5484_2d2d_max2d_mult", "question": "Calculate 26 * 15 =", "choices": {"text": ["390", "394", "386", "400"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q11798_3d3d_max3d_plus", "question": "Calculate 736 + 622 =", "choices": {"text": ["1373", "1358", "1343", "1368"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q609_2d1d_max2d_mult", "question": "Calculate 32 * 0 =", "choices": {"text": ["10", "1", "0", "-1"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q2007_2d1d_max2d_mult", "question": "Calculate 35 * 5 =", "choices": {"text": ["177", "175", "173", "185"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q4083_3d1d_max3d_plus", "question": "Calculate 310 + 3 =", "choices": {"text": ["323", "313", "282", "344"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q1349_2d1d_max2d_mult", "question": "Calculate 17 * 6 =", "choices": {"text": ["103", "101", "112", "102"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q1509_1d2d_max2d_mult", "question": "Calculate 9 * 13 =", "choices": {"text": ["127", "117", "118", "116"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q9276_3d2d_max3d_minus", "question": "Calculate 662 - 80 =", "choices": {"text": ["638", "582", "592", "526"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q8882_3d2d_max3d_minus", "question": "Calculate 172 - 36 =", "choices": {"text": ["137", "146", "135", "136"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q5007_1d3d_max3d_minus", "question": "Calculate 9 - 747 =", "choices": {"text": ["-738", "-739", "-737", "738"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q9963_2d3d_max3d_minus", "question": "Calculate 86 - 927 =", "choices": {"text": ["841", "-841", "-842", "-840"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q11972_3d3d_max3d_plus", "question": "Calculate 329 + 916 =", "choices": {"text": ["1245", "1255", "1368", "1122"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q9413_2d3d_max3d_minus", "question": "Calculate 33 - 966 =", "choices": {"text": ["-932", "933", "-933", "-934"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q10421_3d3d_max3d_minus", "question": "Calculate 944 - 195 =", "choices": {"text": ["749", "741", "757", "759"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q882_3d2d_max3d_div", "question": "Calculate 273 / 39 =", "choices": {"text": ["8", "17", "6", "7"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q3973_3d1d_max3d_plus", "question": "Calculate 520 + 7 =", "choices": {"text": ["531", "527", "537", "523"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q4170_1d3d_max3d_minus", "question": "Calculate 3 - 504 =", "choices": {"text": ["-501", "-500", "501", "-502"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q10113_2d3d_max3d_minus", "question": "Calculate 94 - 744 =", "choices": {"text": ["-650", "650", "-649", "-651"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q5299_3d2d_max3d_div", "question": "Calculate 396 / 33 =", "choices": {"text": ["12", "22", "13", "11"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q2671_1d3d_max3d_plus", "question": "Calculate 5 + 337 =", "choices": {"text": ["346", "338", "352", "342"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q7998_3d2d_max3d_minus", "question": "Calculate 315 - 17 =", "choices": {"text": ["308", "326", "270", "298"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q8563_2d3d_max3d_plus", "question": "Calculate 73 + 343 =", "choices": {"text": ["416", "412", "426", "420"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q4796_1d3d_max3d_plus", "question": "Calculate 7 + 250 =", "choices": {"text": ["259", "255", "267", "257"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q11181_3d3d_max3d_minus", "question": "Calculate 188 - 298 =", "choices": {"text": ["-109", "-111", "-110", "110"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q4038_1d3d_max3d_mult", "question": "Calculate 2 * 239 =", "choices": {"text": ["482", "478", "488", "474"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q950_3d2d_max3d_div", "question": "Calculate 612 / 68 =", "choices": {"text": ["8", "10", "9", "19"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q8824_3d2d_max3d_plus", "question": "Calculate 763 + 96 =", "choices": {"text": ["867", "869", "851", "859"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q8001_2d3d_max3d_minus", "question": "Calculate 43 - 471 =", "choices": {"text": ["-427", "428", "-428", "-429"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q4693_1d3d_max3d_plus", "question": "Calculate 1 + 751 =", "choices": {"text": ["760", "744", "762", "752"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q11478_3d3d_max3d_minus", "question": "Calculate 775 - 466 =", "choices": {"text": ["309", "337", "281", "319"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q5014_3d1d_max3d_plus", "question": "Calculate 875 + 3 =", "choices": {"text": ["870", "886", "878", "888"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q1256_1d2d_max2d_mult", "question": "Calculate 7 * 38 =", "choices": {"text": ["264", "276", "268", "266"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q7009_2d2d_max2d_plus", "question": "Calculate 93 + 29 =", "choices": {"text": ["122", "123", "132", "121"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q11556_3d3d_max3d_plus", "question": "Calculate 666 + 742 =", "choices": {"text": ["1393", "1418", "1408", "1423"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q398_2d1d_max2d_div", "question": "Calculate 77 / 7 =", "choices": {"text": ["10", "11", "21", "12"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q11357_3d3d_max3d_plus", "question": "Calculate 675 + 486 =", "choices": {"text": ["1050", "1272", "1161", "1171"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q8812_3d2d_max3d_plus", "question": "Calculate 903 + 53 =", "choices": {"text": ["948", "964", "956", "966"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q12571_3d3d_max3d_minus", "question": "Calculate 585 - 477 =", "choices": {"text": ["107", "108", "109", "118"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q7707_2d3d_max3d_plus", "question": "Calculate 98 + 869 =", "choices": {"text": ["959", "975", "967", "977"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q2067_3d2d_max3d_div", "question": "Calculate 216 / 54 =", "choices": {"text": ["14", "5", "3", "4"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q4801_3d1d_max3d_minus", "question": "Calculate 461 - 2 =", "choices": {"text": ["463", "459", "469", "455"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q12955_3d3d_max3d_minus", "question": "Calculate 859 - 187 =", "choices": {"text": ["682", "672", "680", "664"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q3155_3d1d_max3d_plus", "question": "Calculate 335 + 2 =", "choices": {"text": ["333", "347", "341", "337"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q173_2d1d_max2d_div", "question": "Calculate 36 / 9 =", "choices": {"text": ["4", "5", "14", "3"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q12811_3d3d_max3d_plus", "question": "Calculate 934 + 985 =", "choices": {"text": ["1929", "1904", "1934", "1919"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q1369_2d2d_max2d_div", "question": "Calculate 80 / 80 =", "choices": {"text": ["2", "1", "11", "0"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q9703_2d3d_max3d_minus", "question": "Calculate 90 - 466 =", "choices": {"text": ["376", "-376", "-377", "-375"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q12728_3d3d_max3d_minus", "question": "Calculate 261 - 739 =", "choices": {"text": ["-477", "-479", "-478", "478"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q11904_3d3d_max3d_minus", "question": "Calculate 808 - 760 =", "choices": {"text": ["49", "48", "47", "58"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q9237_2d3d_max3d_plus", "question": "Calculate 94 + 250 =", "choices": {"text": ["340", "354", "348", "344"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q9227_2d3d_max3d_plus", "question": "Calculate 96 + 163 =", "choices": {"text": ["269", "257", "259", "261"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q11222_3d3d_max3d_plus", "question": "Calculate 912 + 580 =", "choices": {"text": ["1502", "1492", "1507", "1477"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q9972_3d2d_max3d_plus", "question": "Calculate 747 + 43 =", "choices": {"text": ["790", "782", "798", "800"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q12905_3d3d_max3d_plus", "question": "Calculate 936 + 921 =", "choices": {"text": ["1867", "1857", "1872", "1842"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q5290_2d2d_max2d_plus", "question": "Calculate 48 + 66 =", "choices": {"text": ["115", "113", "114", "124"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q203_1d1d_max1d_mult", "question": "Calculate 8 * 6 =", "choices": {"text": ["47", "58", "49", "48"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q5760_3d2d_max3d_div", "question": "Calculate 957 / 33 =", "choices": {"text": ["28", "29", "30", "39"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q9305_2d3d_max3d_plus", "question": "Calculate 24 + 440 =", "choices": {"text": ["460", "468", "464", "474"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q12799_3d3d_max3d_minus", "question": "Calculate 906 - 661 =", "choices": {"text": ["245", "255", "243", "247"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q2323_2d1d_max2d_div", "question": "Calculate 22 / 1 =", "choices": {"text": ["32", "21", "22", "23"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q9484_3d2d_max3d_plus", "question": "Calculate 583 + 65 =", "choices": {"text": ["648", "658", "640", "656"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q9620_3d2d_max3d_plus", "question": "Calculate 812 + 45 =", "choices": {"text": ["849", "867", "857", "865"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q9293_2d3d_max3d_minus", "question": "Calculate 27 - 589 =", "choices": {"text": ["-561", "-562", "-563", "562"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q4764_1d3d_max3d_minus", "question": "Calculate 8 - 132 =", "choices": {"text": ["-123", "-125", "124", "-124"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q1690_2d1d_max2d_mult", "question": "Calculate 31 * 6 =", "choices": {"text": ["188", "196", "184", "186"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q1616_3d1d_max3d_div", "question": "Calculate 192 / 4 =", "choices": {"text": ["49", "58", "48", "47"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q11837_3d3d_max3d_plus", "question": "Calculate 667 + 375 =", "choices": {"text": ["1042", "1050", "1034", "1052"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q1091_2d1d_max2d_mult", "question": "Calculate 56 * 1 =", "choices": {"text": ["57", "66", "56", "55"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q12856_3d3d_max3d_plus", "question": "Calculate 892 + 673 =", "choices": {"text": ["1580", "1575", "1565", "1550"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q8870_3d2d_max3d_minus", "question": "Calculate 136 - 87 =", "choices": {"text": ["48", "49", "50", "59"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q7375_2d2d_max2d_plus", "question": "Calculate 85 + 84 =", "choices": {"text": ["171", "169", "179", "167"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q12204_3d3d_max3d_plus", "question": "Calculate 161 + 458 =", "choices": {"text": ["563", "619", "629", "675"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q12169_3d3d_max3d_plus", "question": "Calculate 435 + 789 =", "choices": {"text": ["1234", "1335", "1113", "1224"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q9066_3d2d_max3d_plus", "question": "Calculate 349 + 56 =", "choices": {"text": ["415", "405", "401", "409"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q1719_1d2d_max2d_mult", "question": "Calculate 8 * 83 =", "choices": {"text": ["656", "674", "664", "672"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q903_1d2d_max2d_mult", "question": "Calculate 4 * 95 =", "choices": {"text": ["390", "384", "376", "380"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q8913_2d3d_max3d_plus", "question": "Calculate 92 + 428 =", "choices": {"text": ["520", "524", "516", "530"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q6626_2d2d_max2d_plus", "question": "Calculate 45 + 81 =", "choices": {"text": ["136", "127", "125", "126"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q2983_3d1d_max3d_mult", "question": "Calculate 568 * 1 =", "choices": {"text": ["568", "578", "624", "512"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q4450_1d3d_max3d_plus", "question": "Calculate 5 + 756 =", "choices": {"text": ["771", "761", "753", "769"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q12120_3d3d_max3d_minus", "question": "Calculate 147 - 880 =", "choices": {"text": ["-732", "-733", "-734", "733"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q11218_3d3d_max3d_minus", "question": "Calculate 906 - 227 =", "choices": {"text": ["689", "671", "687", "679"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q7468_2d2d_max2d_plus", "question": "Calculate 98 + 60 =", "choices": {"text": ["168", "172", "144", "158"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q9850_3d2d_max3d_minus", "question": "Calculate 348 - 15 =", "choices": {"text": ["329", "333", "343", "337"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q2720_3d3d_max3d_div", "question": "Calculate 162 / 162 =", "choices": {"text": ["0", "2", "1", "11"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q7475_2d2d_max2d_plus", "question": "Calculate 76 + 50 =", "choices": {"text": ["125", "126", "127", "136"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q10539_3d3d_max3d_minus", "question": "Calculate 845 - 316 =", "choices": {"text": ["525", "539", "529", "533"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q9310_3d2d_max3d_minus", "question": "Calculate 404 - 57 =", "choices": {"text": ["343", "357", "351", "347"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q2598_3d1d_max3d_div", "question": "Calculate 201 / 3 =", "choices": {"text": ["67", "66", "77", "68"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q9131_2d3d_max3d_plus", "question": "Calculate 19 + 591 =", "choices": {"text": ["620", "666", "554", "610"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q9079_2d3d_max3d_plus", "question": "Calculate 95 + 571 =", "choices": {"text": ["666", "658", "674", "676"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q1463_3d1d_max3d_div", "question": "Calculate 172 / 4 =", "choices": {"text": ["53", "44", "43", "42"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q5235_2d2d_max2d_mult", "question": "Calculate 29 * 12 =", "choices": {"text": ["358", "348", "344", "352"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q12218_3d3d_max3d_plus", "question": "Calculate 338 + 491 =", "choices": {"text": ["839", "837", "821", "829"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q8024_3d2d_max3d_minus", "question": "Calculate 993 - 17 =", "choices": {"text": ["976", "968", "986", "984"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q9487_2d3d_max3d_plus", "question": "Calculate 10 + 501 =", "choices": {"text": ["515", "521", "507", "511"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q10429_3d3d_max3d_minus", "question": "Calculate 596 - 308 =", "choices": {"text": ["288", "260", "298", "316"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q11263_3d3d_max3d_plus", "question": "Calculate 763 + 919 =", "choices": {"text": ["1692", "1697", "1667", "1682"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q4858_3d1d_max3d_div", "question": "Calculate 900 / 1 =", "choices": {"text": ["892", "900", "908", "910"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q3473_1d3d_max3d_minus", "question": "Calculate 8 - 853 =", "choices": {"text": ["-844", "845", "-845", "-846"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q4963_1d3d_max3d_minus", "question": "Calculate 6 - 610 =", "choices": {"text": ["-603", "-605", "-604", "604"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q12020_3d3d_max3d_minus", "question": "Calculate 906 - 268 =", "choices": {"text": ["700", "638", "576", "648"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q10449_3d3d_max3d_minus", "question": "Calculate 261 - 301 =", "choices": {"text": ["-39", "-41", "-40", "40"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q11073_3d3d_max3d_minus", "question": "Calculate 593 - 521 =", "choices": {"text": ["72", "65", "82", "79"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q7284_2d2d_max2d_plus", "question": "Calculate 74 + 30 =", "choices": {"text": ["105", "103", "114", "104"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q188_2d1d_max2d_div", "question": "Calculate 72 / 8 =", "choices": {"text": ["8", "9", "10", "19"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q11797_3d3d_max3d_plus", "question": "Calculate 622 + 736 =", "choices": {"text": ["1368", "1358", "1373", "1343"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q12587_3d3d_max3d_minus", "question": "Calculate 808 - 234 =", "choices": {"text": ["518", "584", "630", "574"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q6549_2d2d_max2d_plus", "question": "Calculate 38 + 62 =", "choices": {"text": ["110", "100", "99", "101"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q437_2d1d_max2d_mult", "question": "Calculate 80 * 7 =", "choices": {"text": ["570", "616", "560", "504"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q8954_3d2d_max3d_minus", "question": "Calculate 724 - 45 =", "choices": {"text": ["689", "687", "671", "679"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q4819_3d1d_max3d_plus", "question": "Calculate 545 + 1 =", "choices": {"text": ["556", "550", "546", "542"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q3369_1d3d_max3d_minus", "question": "Calculate 8 - 457 =", "choices": {"text": ["449", "-450", "-448", "-449"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q7571_2d2d_max2d_plus", "question": "Calculate 19 + 99 =", "choices": {"text": ["119", "117", "128", "118"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q8412_3d2d_max3d_plus", "question": "Calculate 466 + 86 =", "choices": {"text": ["497", "562", "607", "552"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q6992_2d2d_max2d_plus", "question": "Calculate 96 + 68 =", "choices": {"text": ["174", "162", "166", "164"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q3326_3d1d_max3d_minus", "question": "Calculate 812 - 2 =", "choices": {"text": ["818", "810", "820", "802"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q11536_3d3d_max3d_minus", "question": "Calculate 111 - 880 =", "choices": {"text": ["769", "-768", "-769", "-770"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q230_2d1d_max2d_div", "question": "Calculate 18 / 2 =", "choices": {"text": ["8", "9", "10", "19"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q6843_2d2d_max2d_plus", "question": "Calculate 38 + 72 =", "choices": {"text": ["109", "120", "111", "110"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q456_1d2d_max2d_mult", "question": "Calculate 4 * 78 =", "choices": {"text": ["312", "281", "322", "343"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q2659_1d3d_max3d_plus", "question": "Calculate 4 + 447 =", "choices": {"text": ["461", "447", "455", "451"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q365_1d1d_max1d_mult", "question": "Calculate 6 * 6 =", "choices": {"text": ["46", "36", "37", "35"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q4590_1d3d_max3d_minus", "question": "Calculate 4 - 819 =", "choices": {"text": ["-816", "815", "-814", "-815"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q8247_2d3d_max3d_plus", "question": "Calculate 97 + 115 =", "choices": {"text": ["210", "222", "212", "214"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q2284_1d2d_max2d_mult", "question": "Calculate 4 * 91 =", "choices": {"text": ["364", "368", "374", "360"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q12672_3d3d_max3d_minus", "question": "Calculate 802 - 668 =", "choices": {"text": ["144", "133", "135", "134"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q493_3d2d_max3d_div", "question": "Calculate 616 / 88 =", "choices": {"text": ["7", "17", "8", "6"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q6840_2d2d_max2d_plus", "question": "Calculate 78 + 69 =", "choices": {"text": ["133", "157", "147", "161"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q6443_2d2d_max2d_plus", "question": "Calculate 13 + 88 =", "choices": {"text": ["102", "111", "101", "100"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q278_1d1d_max1d_mult", "question": "Calculate 2 * 8 =", "choices": {"text": ["16", "17", "26", "15"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q1351_3d2d_max3d_div", "question": "Calculate 102 / 17 =", "choices": {"text": ["7", "5", "6", "16"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q8116_3d2d_max3d_minus", "question": "Calculate 451 - 53 =", "choices": {"text": ["398", "394", "402", "408"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q2702_3d1d_max3d_plus", "question": "Calculate 736 + 0 =", "choices": {"text": ["736", "728", "744", "746"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q2704_3d1d_max3d_plus", "question": "Calculate 584 + 5 =", "choices": {"text": ["645", "533", "599", "589"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q9848_3d2d_max3d_minus", "question": "Calculate 763 - 39 =", "choices": {"text": ["732", "724", "716", "734"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q5883_2d2d_max2d_plus", "question": "Calculate 46 + 94 =", "choices": {"text": ["154", "126", "150", "140"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q6657_2d2d_max2d_plus", "question": "Calculate 39 + 89 =", "choices": {"text": ["129", "138", "127", "128"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q194_1d1d_max1d_mult", "question": "Calculate 5 * 5 =", "choices": {"text": ["35", "26", "24", "25"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q8222_3d2d_max3d_minus", "question": "Calculate 899 - 46 =", "choices": {"text": ["845", "861", "853", "863"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q1789_1d2d_max2d_mult", "question": "Calculate 5 * 72 =", "choices": {"text": ["364", "370", "356", "360"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q2956_1d3d_max3d_plus", "question": "Calculate 4 + 718 =", "choices": {"text": ["732", "714", "730", "722"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q11460_3d3d_max3d_plus", "question": "Calculate 638 + 282 =", "choices": {"text": ["928", "930", "912", "920"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q9962_3d2d_max3d_plus", "question": "Calculate 860 + 74 =", "choices": {"text": ["934", "942", "944", "926"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q11944_3d3d_max3d_minus", "question": "Calculate 117 - 558 =", "choices": {"text": ["441", "-442", "-441", "-440"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q7830_3d2d_max3d_minus", "question": "Calculate 175 - 24 =", "choices": {"text": ["151", "165", "137", "161"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q9105_2d3d_max3d_plus", "question": "Calculate 18 + 368 =", "choices": {"text": ["382", "386", "390", "396"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q2476_1d2d_max2d_mult", "question": "Calculate 8 * 39 =", "choices": {"text": ["281", "343", "312", "322"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q417_2d1d_max2d_mult", "question": "Calculate 51 * 9 =", "choices": {"text": ["455", "469", "463", "459"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q4398_1d3d_max3d_plus", "question": "Calculate 9 + 112 =", "choices": {"text": ["121", "120", "131", "122"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q10325_2d3d_max3d_plus", "question": "Calculate 61 + 953 =", "choices": {"text": ["1022", "1024", "1006", "1014"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q2466_3d1d_max3d_div", "question": "Calculate 282 / 6 =", "choices": {"text": ["47", "48", "57", "46"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q3844_1d3d_max3d_minus", "question": "Calculate 8 - 581 =", "choices": {"text": ["573", "-574", "-573", "-572"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q11903_3d3d_max3d_minus", "question": "Calculate 760 - 808 =", "choices": {"text": ["48", "-47", "-48", "-49"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q317_2d1d_max2d_div", "question": "Calculate 27 / 9 =", "choices": {"text": ["2", "13", "3", "4"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q11192_3d3d_max3d_plus", "question": "Calculate 153 + 966 =", "choices": {"text": ["1129", "1230", "1119", "1008"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q12513_3d3d_max3d_minus", "question": "Calculate 782 - 874 =", "choices": {"text": ["-91", "-93", "92", "-92"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q2190_3d1d_max3d_div", "question": "Calculate 324 / 6 =", "choices": {"text": ["64", "55", "54", "53"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q4631_3d1d_max3d_plus", "question": "Calculate 865 + 5 =", "choices": {"text": ["870", "880", "878", "862"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q11020_3d3d_max3d_plus", "question": "Calculate 521 + 313 =", "choices": {"text": ["844", "834", "826", "842"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q4415_3d1d_max3d_plus", "question": "Calculate 200 + 3 =", "choices": {"text": ["213", "203", "201", "205"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q12763_3d3d_max3d_minus", "question": "Calculate 416 - 781 =", "choices": {"text": ["-364", "-365", "-366", "365"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q6313_2d2d_max2d_mult", "question": "Calculate 46 * 14 =", "choices": {"text": ["636", "654", "644", "652"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q583_3d2d_max3d_div", "question": "Calculate 182 / 91 =", "choices": {"text": ["1", "3", "12", "2"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q2191_3d2d_max3d_div", "question": "Calculate 324 / 54 =", "choices": {"text": ["6", "7", "5", "16"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q2082_1d2d_max2d_mult", "question": "Calculate 3 * 98 =", "choices": {"text": ["266", "304", "322", "294"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q746_1d2d_max2d_mult", "question": "Calculate 6 * 42 =", "choices": {"text": ["262", "252", "250", "254"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q7716_3d2d_max3d_plus", "question": "Calculate 179 + 71 =", "choices": {"text": ["252", "248", "260", "250"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q4898_1d3d_max3d_mult", "question": "Calculate 1 * 681 =", "choices": {"text": ["691", "673", "681", "689"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q2021_2d1d_max2d_mult", "question": "Calculate 63 * 4 =", "choices": {"text": ["252", "262", "250", "254"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q1042_2d1d_max2d_mult", "question": "Calculate 97 * 0 =", "choices": {"text": ["-1", "1", "0", "10"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q4893_3d1d_max3d_plus", "question": "Calculate 495 + 4 =", "choices": {"text": ["503", "499", "495", "509"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q3682_3d1d_max3d_plus", "question": "Calculate 650 + 2 =", "choices": {"text": ["644", "652", "660", "662"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q8626_3d2d_max3d_minus", "question": "Calculate 733 - 74 =", "choices": {"text": ["651", "667", "659", "669"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q12146_3d3d_max3d_minus", "question": "Calculate 383 - 408 =", "choices": {"text": ["-25", "-26", "-24", "25"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q5322_2d2d_max2d_plus", "question": "Calculate 85 + 41 =", "choices": {"text": ["127", "136", "125", "126"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q8659_2d3d_max3d_plus", "question": "Calculate 28 + 789 =", "choices": {"text": ["817", "809", "825", "827"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q4878_1d3d_max3d_plus", "question": "Calculate 8 + 452 =", "choices": {"text": ["460", "456", "470", "464"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q10135_2d3d_max3d_plus", "question": "Calculate 56 + 283 =", "choices": {"text": ["339", "343", "349", "335"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q7708_3d2d_max3d_plus", "question": "Calculate 869 + 98 =", "choices": {"text": ["975", "967", "977", "959"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q2256_3d1d_max3d_div", "question": "Calculate 342 / 6 =", "choices": {"text": ["58", "67", "56", "57"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q1213_2d2d_max2d_div", "question": "Calculate 60 / 60 =", "choices": {"text": ["11", "1", "0", "2"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q4580_1d3d_max3d_minus", "question": "Calculate 0 - 148 =", "choices": {"text": ["148", "-147", "-149", "-148"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q3296_1d3d_max3d_plus", "question": "Calculate 2 + 113 =", "choices": {"text": ["125", "115", "116", "114"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q8193_2d3d_max3d_minus", "question": "Calculate 16 - 453 =", "choices": {"text": ["437", "-438", "-436", "-437"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q3161_3d1d_max3d_minus", "question": "Calculate 385 - 7 =", "choices": {"text": ["378", "382", "388", "374"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q4166_1d3d_max3d_mult", "question": "Calculate 1 * 760 =", "choices": {"text": ["760", "768", "770", "752"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q11259_3d3d_max3d_plus", "question": "Calculate 592 + 104 =", "choices": {"text": ["706", "688", "704", "696"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q2796_3d1d_max3d_mult", "question": "Calculate 789 * 0 =", "choices": {"text": ["1", "0", "-1", "10"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q10491_3d3d_max3d_plus", "question": "Calculate 554 + 261 =", "choices": {"text": ["823", "807", "825", "815"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q5267_2d2d_max2d_mult", "question": "Calculate 27 * 13 =", "choices": {"text": ["361", "347", "355", "351"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q9208_3d2d_max3d_minus", "question": "Calculate 115 - 25 =", "choices": {"text": ["100", "90", "89", "91"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q775_1d2d_max2d_mult", "question": "Calculate 2 * 35 =", "choices": {"text": ["80", "63", "70", "77"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q3365_3d1d_max3d_mult", "question": "Calculate 214 * 0 =", "choices": {"text": ["0", "1", "10", "-1"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q5651_2d2d_max2d_mult", "question": "Calculate 28 * 24 =", "choices": {"text": ["680", "682", "672", "664"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q2923_1d3d_max3d_minus", "question": "Calculate 6 - 952 =", "choices": {"text": ["-945", "-947", "946", "-946"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q8091_2d3d_max3d_minus", "question": "Calculate 31 - 640 =", "choices": {"text": ["-608", "-609", "-610", "609"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q7045_2d2d_max2d_plus", "question": "Calculate 84 + 25 =", "choices": {"text": ["110", "119", "108", "109"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q4138_3d1d_max3d_minus", "question": "Calculate 385 - 1 =", "choices": {"text": ["380", "388", "384", "394"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q12919_3d3d_max3d_plus", "question": "Calculate 684 + 662 =", "choices": {"text": ["1361", "1331", "1346", "1356"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q1733_3d1d_max3d_div", "question": "Calculate 273 / 3 =", "choices": {"text": ["92", "91", "90", "101"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q2173_1d2d_max2d_mult", "question": "Calculate 5 * 74 =", "choices": {"text": ["370", "366", "374", "380"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q3814_1d3d_max3d_plus", "question": "Calculate 0 + 762 =", "choices": {"text": ["754", "772", "770", "762"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q800_2d1d_max2d_mult", "question": "Calculate 20 * 1 =", "choices": {"text": ["30", "20", "19", "21"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q5291_2d2d_max2d_plus", "question": "Calculate 66 + 48 =", "choices": {"text": ["124", "114", "115", "113"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q4682_3d1d_max3d_minus", "question": "Calculate 513 - 7 =", "choices": {"text": ["510", "502", "516", "506"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q2900_1d3d_max3d_plus", "question": "Calculate 3 + 133 =", "choices": {"text": ["137", "146", "136", "135"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q12892_3d3d_max3d_minus", "question": "Calculate 357 - 608 =", "choices": {"text": ["-252", "251", "-250", "-251"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q4949_3d1d_max3d_minus", "question": "Calculate 403 - 8 =", "choices": {"text": ["399", "395", "405", "391"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q610_1d2d_max2d_div", "question": "Calculate 0 / 32 =", "choices": {"text": ["0", "-1", "10", "1"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q12809_3d3d_max3d_minus", "question": "Calculate 914 - 230 =", "choices": {"text": ["692", "694", "676", "684"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q10342_3d2d_max3d_minus", "question": "Calculate 754 - 95 =", "choices": {"text": ["669", "651", "659", "667"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q6204_2d2d_max2d_plus", "question": "Calculate 66 + 75 =", "choices": {"text": ["127", "151", "155", "141"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q3015_3d1d_max3d_minus", "question": "Calculate 306 - 8 =", "choices": {"text": ["308", "326", "298", "270"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q12468_3d3d_max3d_plus", "question": "Calculate 447 + 516 =", "choices": {"text": ["955", "963", "971", "973"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q3277_1d3d_max3d_plus", "question": "Calculate 2 + 380 =", "choices": {"text": ["386", "378", "382", "392"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q12830_3d3d_max3d_plus", "question": "Calculate 689 + 647 =", "choices": {"text": ["1346", "1336", "1321", "1351"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q4646_1d3d_max3d_minus", "question": "Calculate 0 - 622 =", "choices": {"text": ["-621", "622", "-622", "-623"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q10127_2d3d_max3d_minus", "question": "Calculate 93 - 324 =", "choices": {"text": ["-232", "-231", "-230", "231"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q8498_3d2d_max3d_minus", "question": "Calculate 946 - 11 =", "choices": {"text": ["927", "945", "943", "935"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q10693_3d3d_max3d_plus", "question": "Calculate 528 + 779 =", "choices": {"text": ["1317", "1292", "1307", "1322"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q12516_3d3d_max3d_minus", "question": "Calculate 178 - 284 =", "choices": {"text": ["-107", "-106", "-105", "106"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q5312_2d2d_max2d_plus", "question": "Calculate 79 + 31 =", "choices": {"text": ["111", "109", "110", "120"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q10713_3d3d_max3d_minus", "question": "Calculate 951 - 445 =", "choices": {"text": ["506", "516", "510", "502"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q10119_2d3d_max3d_plus", "question": "Calculate 66 + 387 =", "choices": {"text": ["453", "463", "449", "457"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q4284_3d1d_max3d_minus", "question": "Calculate 310 - 5 =", "choices": {"text": ["305", "315", "277", "333"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q10751_3d3d_max3d_minus", "question": "Calculate 402 - 366 =", "choices": {"text": ["36", "46", "35", "37"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q8169_2d3d_max3d_plus", "question": "Calculate 41 + 847 =", "choices": {"text": ["896", "888", "880", "898"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q9170_3d2d_max3d_plus", "question": "Calculate 206 + 48 =", "choices": {"text": ["264", "256", "252", "254"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q5867_2d2d_max2d_plus", "question": "Calculate 74 + 78 =", "choices": {"text": ["138", "152", "162", "166"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q1878_1d2d_max2d_mult", "question": "Calculate 7 * 71 =", "choices": {"text": ["501", "507", "497", "493"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q11739_3d3d_max3d_plus", "question": "Calculate 422 + 115 =", "choices": {"text": ["541", "537", "547", "533"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q4452_1d3d_max3d_plus", "question": "Calculate 8 + 755 =", "choices": {"text": ["755", "773", "771", "763"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q7532_3d2d_max3d_div", "question": "Calculate 902 / 11 =", "choices": {"text": ["92", "81", "83", "82"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q12586_3d3d_max3d_minus", "question": "Calculate 540 - 253 =", "choices": {"text": ["287", "315", "259", "297"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q11858_3d3d_max3d_plus", "question": "Calculate 577 + 457 =", "choices": {"text": ["1042", "1034", "1044", "1026"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q217_2d1d_max2d_div", "question": "Calculate 30 / 6 =", "choices": {"text": ["15", "6", "5", "4"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q2746_3d3d_max3d_div", "question": "Calculate 423 / 423 =", "choices": {"text": ["1", "0", "2", "11"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q590_2d1d_max2d_div", "question": "Calculate 53 / 1 =", "choices": {"text": ["52", "63", "54", "53"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q8241_2d3d_max3d_minus", "question": "Calculate 30 - 634 =", "choices": {"text": ["-604", "-603", "604", "-605"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q4502_1d3d_max3d_plus", "question": "Calculate 7 + 771 =", "choices": {"text": ["770", "778", "788", "786"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q2849_3d1d_max3d_minus", "question": "Calculate 851 - 1 =", "choices": {"text": ["842", "850", "860", "858"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q12530_3d3d_max3d_plus", "question": "Calculate 206 + 838 =", "choices": {"text": ["1052", "1036", "1044", "1054"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q1473_2d1d_max2d_div", "question": "Calculate 60 / 4 =", "choices": {"text": ["25", "16", "14", "15"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q13009_3d3d_max3d_minus", "question": "Calculate 834 - 776 =", "choices": {"text": ["58", "59", "57", "68"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q7617_2d2d_max2d_plus", "question": "Calculate 51 + 63 =", "choices": {"text": ["114", "124", "115", "113"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q11906_3d3d_max3d_minus", "question": "Calculate 910 - 953 =", "choices": {"text": ["-44", "-43", "-42", "43"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q397_2d1d_max2d_mult", "question": "Calculate 11 * 7 =", "choices": {"text": ["70", "87", "84", "77"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q3158_1d3d_max3d_minus", "question": "Calculate 5 - 130 =", "choices": {"text": ["-125", "-126", "125", "-124"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q3968_1d3d_max3d_plus", "question": "Calculate 4 + 319 =", "choices": {"text": ["319", "323", "333", "327"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q8027_2d3d_max3d_minus", "question": "Calculate 72 - 817 =", "choices": {"text": ["-746", "745", "-745", "-744"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q12476_3d3d_max3d_minus", "question": "Calculate 213 - 885 =", "choices": {"text": ["-672", "-673", "-671", "672"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q2130_1d2d_max2d_mult", "question": "Calculate 3 * 14 =", "choices": {"text": ["41", "42", "43", "52"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q536_1d2d_max2d_mult", "question": "Calculate 1 * 76 =", "choices": {"text": ["83", "76", "69", "86"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q7953_2d3d_max3d_plus", "question": "Calculate 49 + 765 =", "choices": {"text": ["822", "824", "814", "806"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q11593_3d3d_max3d_minus", "question": "Calculate 411 - 700 =", "choices": {"text": ["-289", "-290", "-288", "289"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q1344_3d1d_max3d_div", "question": "Calculate 285 / 3 =", "choices": {"text": ["95", "94", "105", "96"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q2673_1d3d_max3d_plus", "question": "Calculate 7 + 710 =", "choices": {"text": ["717", "725", "709", "727"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q4040_3d1d_max3d_div", "question": "Calculate 478 / 2 =", "choices": {"text": ["241", "237", "249", "239"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q2044_1d2d_max2d_mult", "question": "Calculate 7 * 61 =", "choices": {"text": ["431", "437", "423", "427"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q3713_3d1d_max3d_plus", "question": "Calculate 694 + 9 =", "choices": {"text": ["695", "703", "713", "711"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q3285_1d3d_max3d_minus", "question": "Calculate 2 - 378 =", "choices": {"text": ["376", "-375", "-377", "-376"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q2547_2d1d_max2d_mult", "question": "Calculate 92 * 8 =", "choices": {"text": ["744", "736", "746", "728"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q4501_3d1d_max3d_plus", "question": "Calculate 958 + 9 =", "choices": {"text": ["975", "967", "959", "977"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q4050_1d3d_max3d_plus", "question": "Calculate 7 + 622 =", "choices": {"text": ["629", "567", "639", "691"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q10658_3d3d_max3d_plus", "question": "Calculate 465 + 616 =", "choices": {"text": ["1091", "1089", "1081", "1073"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q11290_3d3d_max3d_minus", "question": "Calculate 139 - 681 =", "choices": {"text": ["542", "-541", "-543", "-542"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q668_2d1d_max2d_mult", "question": "Calculate 10 * 8 =", "choices": {"text": ["90", "79", "80", "81"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q1454_2d1d_max2d_mult", "question": "Calculate 27 * 7 =", "choices": {"text": ["199", "189", "191", "187"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q94_1d1d_max1d_mult", "question": "Calculate 1 * 3 =", "choices": {"text": ["2", "4", "3", "13"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q10806_3d3d_max3d_plus", "question": "Calculate 165 + 351 =", "choices": {"text": ["520", "512", "516", "526"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q3737_3d1d_max3d_minus", "question": "Calculate 826 - 0 =", "choices": {"text": ["836", "818", "826", "834"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q12035_3d3d_max3d_plus", "question": "Calculate 235 + 896 =", "choices": {"text": ["1020", "1131", "1242", "1141"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q12813_3d3d_max3d_minus", "question": "Calculate 204 - 849 =", "choices": {"text": ["-646", "-645", "-644", "645"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q6006_2d2d_max2d_plus", "question": "Calculate 75 + 46 =", "choices": {"text": ["120", "131", "122", "121"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q3827_3d3d_max3d_div", "question": "Calculate 432 / 216 =", "choices": {"text": ["3", "1", "12", "2"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q11014_3d3d_max3d_minus", "question": "Calculate 329 - 538 =", "choices": {"text": ["-210", "-209", "-208", "209"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q8564_3d2d_max3d_plus", "question": "Calculate 343 + 73 =", "choices": {"text": ["416", "412", "426", "420"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q10982_3d3d_max3d_plus", "question": "Calculate 319 + 130 =", "choices": {"text": ["453", "459", "449", "445"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q8495_2d3d_max3d_plus", "question": "Calculate 89 + 834 =", "choices": {"text": ["915", "933", "931", "923"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q3231_1d3d_max3d_minus", "question": "Calculate 4 - 590 =", "choices": {"text": ["586", "-586", "-587", "-585"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q2009_3d2d_max3d_div", "question": "Calculate 175 / 35 =", "choices": {"text": ["15", "5", "6", "4"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q350_1d1d_max1d_mult", "question": "Calculate 8 * 8 =", "choices": {"text": ["65", "74", "64", "63"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q4245_1d3d_max3d_minus", "question": "Calculate 9 - 151 =", "choices": {"text": ["-143", "-142", "142", "-141"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q187_1d1d_max1d_mult", "question": "Calculate 9 * 8 =", "choices": {"text": ["79", "72", "82", "65"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q5329_2d2d_max2d_plus", "question": "Calculate 85 + 52 =", "choices": {"text": ["138", "137", "147", "136"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q11385_3d3d_max3d_plus", "question": "Calculate 512 + 948 =", "choices": {"text": ["1460", "1470", "1445", "1475"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q6374_2d2d_max2d_plus", "question": "Calculate 70 + 68 =", "choices": {"text": ["138", "139", "148", "137"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q3781_3d1d_max3d_plus", "question": "Calculate 184 + 2 =", "choices": {"text": ["188", "196", "186", "184"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q1634_3d1d_max3d_div", "question": "Calculate 189 / 9 =", "choices": {"text": ["20", "22", "31", "21"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q8955_2d3d_max3d_minus", "question": "Calculate 85 - 394 =", "choices": {"text": ["309", "-308", "-310", "-309"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q11876_3d3d_max3d_minus", "question": "Calculate 442 - 531 =", "choices": {"text": ["-89", "-88", "-90", "89"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q7792_3d2d_max3d_minus", "question": "Calculate 647 - 93 =", "choices": {"text": ["564", "499", "554", "609"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q2886_1d3d_max3d_plus", "question": "Calculate 4 + 823 =", "choices": {"text": ["835", "827", "837", "819"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q5325_2d2d_max2d_mult", "question": "Calculate 13 * 42 =", "choices": {"text": ["556", "546", "550", "542"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q8599_2d3d_max3d_minus", "question": "Calculate 74 - 199 =", "choices": {"text": ["-125", "-124", "-126", "125"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q718_3d1d_max3d_div", "question": "Calculate 688 / 8 =", "choices": {"text": ["96", "86", "87", "85"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q12470_3d3d_max3d_minus", "question": "Calculate 461 - 170 =", "choices": {"text": ["301", "291", "319", "263"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q10147_2d3d_max3d_plus", "question": "Calculate 53 + 788 =", "choices": {"text": ["849", "851", "841", "833"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q7113_2d2d_max2d_mult", "question": "Calculate 11 * 60 =", "choices": {"text": ["660", "652", "668", "670"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q2302_2d1d_max2d_mult", "question": "Calculate 50 * 5 =", "choices": {"text": ["260", "252", "248", "250"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q10779_3d3d_max3d_minus", "question": "Calculate 112 - 964 =", "choices": {"text": ["-852", "-853", "-851", "852"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q1880_3d1d_max3d_div", "question": "Calculate 497 / 7 =", "choices": {"text": ["81", "78", "64", "71"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q1231_3d2d_max3d_div", "question": "Calculate 237 / 79 =", "choices": {"text": ["3", "13", "2", "4"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q10718_3d3d_max3d_minus", "question": "Calculate 686 - 697 =", "choices": {"text": ["-12", "11", "-11", "-10"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q4505_3d1d_max3d_plus", "question": "Calculate 499 + 7 =", "choices": {"text": ["506", "502", "510", "516"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q9587_2d3d_max3d_plus", "question": "Calculate 40 + 286 =", "choices": {"text": ["336", "322", "330", "326"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q4546_1d3d_max3d_plus", "question": "Calculate 3 + 990 =", "choices": {"text": ["1001", "1003", "993", "985"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q12461_3d3d_max3d_minus", "question": "Calculate 263 - 569 =", "choices": {"text": ["-307", "306", "-306", "-305"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q12506_3d3d_max3d_minus", "question": "Calculate 178 - 456 =", "choices": {"text": ["-279", "-277", "278", "-278"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q5133_3d1d_max3d_mult", "question": "Calculate 105 * 0 =", "choices": {"text": ["0", "-1", "10", "1"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q3769_3d1d_max3d_minus", "question": "Calculate 811 - 6 =", "choices": {"text": ["805", "813", "815", "797"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q3228_3d1d_max3d_plus", "question": "Calculate 643 + 2 =", "choices": {"text": ["637", "653", "645", "655"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q3230_3d1d_max3d_minus", "question": "Calculate 553 - 8 =", "choices": {"text": ["555", "545", "541", "549"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q2525_1d2d_max2d_mult", "question": "Calculate 8 * 77 =", "choices": {"text": ["672", "626", "616", "560"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q5054_3d1d_max3d_mult", "question": "Calculate 358 * 0 =", "choices": {"text": ["0", "-1", "1", "10"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q1746_2d1d_max2d_mult", "question": "Calculate 47 * 4 =", "choices": {"text": ["186", "190", "188", "198"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q8007_2d3d_max3d_plus", "question": "Calculate 72 + 539 =", "choices": {"text": ["621", "555", "611", "667"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q5030_3d1d_max3d_plus", "question": "Calculate 562 + 8 =", "choices": {"text": ["580", "570", "626", "514"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q2991_3d1d_max3d_plus", "question": "Calculate 672 + 0 =", "choices": {"text": ["682", "664", "672", "680"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q3698_1d3d_max3d_mult", "question": "Calculate 2 * 448 =", "choices": {"text": ["906", "904", "896", "888"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q4574_1d3d_max3d_plus", "question": "Calculate 0 + 278 =", "choices": {"text": ["276", "280", "278", "288"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q11720_3d3d_max3d_minus", "question": "Calculate 274 - 262 =", "choices": {"text": ["22", "11", "13", "12"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q8200_3d2d_max3d_minus", "question": "Calculate 914 - 50 =", "choices": {"text": ["872", "874", "856", "864"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q4020_1d3d_max3d_minus", "question": "Calculate 9 - 945 =", "choices": {"text": ["-935", "-936", "-937", "936"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q9408_3d2d_max3d_minus", "question": "Calculate 124 - 26 =", "choices": {"text": ["97", "98", "99", "108"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q3469_1d3d_max3d_plus", "question": "Calculate 8 + 470 =", "choices": {"text": ["478", "482", "474", "488"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q12613_3d3d_max3d_plus", "question": "Calculate 289 + 898 =", "choices": {"text": ["1197", "1076", "1298", "1187"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q8131_2d3d_max3d_minus", "question": "Calculate 80 - 710 =", "choices": {"text": ["-631", "630", "-629", "-630"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q6226_2d2d_max2d_plus", "question": "Calculate 96 + 89 =", "choices": {"text": ["183", "195", "185", "187"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q12690_3d3d_max3d_plus", "question": "Calculate 300 + 944 =", "choices": {"text": ["1244", "1254", "1121", "1367"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q2548_3d1d_max3d_div", "question": "Calculate 736 / 8 =", "choices": {"text": ["93", "102", "92", "91"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q1117_2d2d_max2d_div", "question": "Calculate 18 / 18 =", "choices": {"text": ["11", "1", "0", "2"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q9590_3d2d_max3d_plus", "question": "Calculate 124 + 74 =", "choices": {"text": ["196", "200", "198", "208"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q10117_2d3d_max3d_plus", "question": "Calculate 69 + 501 =", "choices": {"text": ["514", "580", "570", "626"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q2979_3d1d_max3d_mult", "question": "Calculate 191 * 1 =", "choices": {"text": ["191", "193", "189", "201"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q1472_2d1d_max2d_mult", "question": "Calculate 15 * 4 =", "choices": {"text": ["61", "59", "60", "70"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q10379_3d3d_max3d_minus", "question": "Calculate 864 - 873 =", "choices": {"text": ["-8", "-9", "9", "-10"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q708_2d1d_max2d_div", "question": "Calculate 87 / 3 =", "choices": {"text": ["30", "39", "28", "29"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q9068_3d2d_max3d_minus", "question": "Calculate 144 - 25 =", "choices": {"text": ["118", "120", "129", "119"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q11859_3d3d_max3d_plus", "question": "Calculate 637 + 218 =", "choices": {"text": ["855", "847", "863", "865"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q3526_3d1d_max3d_minus", "question": "Calculate 297 - 1 =", "choices": {"text": ["306", "296", "324", "268"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q529_3d2d_max3d_div", "question": "Calculate 532 / 76 =", "choices": {"text": ["8", "7", "6", "17"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q4684_3d1d_max3d_plus", "question": "Calculate 500 + 6 =", "choices": {"text": ["502", "516", "510", "506"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q2635_3d1d_max3d_minus", "question": "Calculate 371 - 7 =", "choices": {"text": ["360", "364", "368", "374"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q12389_3d3d_max3d_plus", "question": "Calculate 618 + 678 =", "choices": {"text": ["1281", "1296", "1311", "1306"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q1441_2d1d_max2d_div", "question": "Calculate 40 / 1 =", "choices": {"text": ["40", "50", "41", "39"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q4461_3d1d_max3d_plus", "question": "Calculate 619 + 8 =", "choices": {"text": ["637", "565", "689", "627"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q101_1d1d_max1d_div", "question": "Calculate 6 / 1 =", "choices": {"text": ["6", "7", "5", "16"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q10591_3d3d_max3d_minus", "question": "Calculate 725 - 494 =", "choices": {"text": ["229", "241", "233", "231"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q1665_3d2d_max3d_div", "question": "Calculate 124 / 31 =", "choices": {"text": ["14", "3", "4", "5"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q3149_3d1d_max3d_minus", "question": "Calculate 457 - 5 =", "choices": {"text": ["452", "462", "456", "448"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q12110_3d3d_max3d_plus", "question": "Calculate 724 + 937 =", "choices": {"text": ["1661", "1646", "1671", "1676"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q3537_3d1d_max3d_minus", "question": "Calculate 646 - 0 =", "choices": {"text": ["654", "638", "656", "646"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q81_1d1d_max1d_mult", "question": "Calculate 3 * 4 =", "choices": {"text": ["12", "11", "22", "13"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q9820_3d2d_max3d_plus", "question": "Calculate 746 + 41 =", "choices": {"text": ["779", "787", "795", "797"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q4250_3d1d_max3d_minus", "question": "Calculate 810 - 6 =", "choices": {"text": ["804", "796", "814", "812"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q10415_3d3d_max3d_minus", "question": "Calculate 246 - 628 =", "choices": {"text": ["382", "-381", "-383", "-382"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q8110_3d2d_max3d_minus", "question": "Calculate 132 - 50 =", "choices": {"text": ["81", "92", "83", "82"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q12011_3d3d_max3d_minus", "question": "Calculate 351 - 817 =", "choices": {"text": ["-465", "466", "-466", "-467"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q4071_3d1d_max3d_minus", "question": "Calculate 143 - 4 =", "choices": {"text": ["149", "138", "140", "139"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q4205_1d3d_max3d_plus", "question": "Calculate 7 + 582 =", "choices": {"text": ["599", "533", "645", "589"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q4788_1d3d_max3d_plus", "question": "Calculate 7 + 141 =", "choices": {"text": ["134", "148", "162", "158"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q9708_3d2d_max3d_minus", "question": "Calculate 739 - 81 =", "choices": {"text": ["668", "658", "650", "666"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q8677_2d3d_max3d_plus", "question": "Calculate 38 + 592 =", "choices": {"text": ["568", "630", "692", "640"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q820_2d1d_max2d_mult", "question": "Calculate 29 * 2 =", "choices": {"text": ["58", "57", "59", "68"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q3692_3d1d_max3d_plus", "question": "Calculate 244 + 6 =", "choices": {"text": ["248", "252", "260", "250"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q11013_3d3d_max3d_minus", "question": "Calculate 538 - 329 =", "choices": {"text": ["209", "211", "207", "219"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q12629_3d3d_max3d_minus", "question": "Calculate 755 - 140 =", "choices": {"text": ["671", "559", "625", "615"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q722_1d2d_max2d_mult", "question": "Calculate 9 * 91 =", "choices": {"text": ["811", "827", "819", "829"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q2079_2d1d_max2d_mult", "question": "Calculate 14 * 1 =", "choices": {"text": ["24", "13", "14", "15"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q12876_3d3d_max3d_minus", "question": "Calculate 757 - 522 =", "choices": {"text": ["235", "237", "233", "245"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q2249_2d1d_max2d_mult", "question": "Calculate 94 * 9 =", "choices": {"text": ["856", "846", "854", "838"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q7431_2d2d_max2d_plus", "question": "Calculate 64 + 49 =", "choices": {"text": ["123", "112", "113", "114"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q2757_1d3d_max3d_minus", "question": "Calculate 1 - 628 =", "choices": {"text": ["-627", "-626", "627", "-628"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q12216_3d3d_max3d_plus", "question": "Calculate 414 + 946 =", "choices": {"text": ["1370", "1345", "1375", "1360"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q6090_2d2d_max2d_mult", "question": "Calculate 37 * 19 =", "choices": {"text": ["711", "703", "713", "695"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q12578_3d3d_max3d_minus", "question": "Calculate 320 - 842 =", "choices": {"text": ["-523", "-521", "522", "-522"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q6820_2d2d_max2d_plus", "question": "Calculate 75 + 58 =", "choices": {"text": ["132", "133", "143", "134"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q11733_3d3d_max3d_minus", "question": "Calculate 797 - 344 =", "choices": {"text": ["449", "457", "463", "453"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q1229_2d1d_max2d_mult", "question": "Calculate 79 * 3 =", "choices": {"text": ["235", "237", "239", "247"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q3563_3d1d_max3d_plus", "question": "Calculate 729 + 2 =", "choices": {"text": ["723", "731", "741", "739"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q2300_1d2d_max2d_div", "question": "Calculate 0 / 86 =", "choices": {"text": ["0", "-1", "10", "1"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q865_3d2d_max3d_div", "question": "Calculate 455 / 91 =", "choices": {"text": ["15", "5", "4", "6"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q5932_3d2d_max3d_div", "question": "Calculate 196 / 14 =", "choices": {"text": ["24", "13", "14", "15"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q11857_3d3d_max3d_plus", "question": "Calculate 457 + 577 =", "choices": {"text": ["1034", "1042", "1044", "1026"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q821_2d1d_max2d_div", "question": "Calculate 58 / 2 =", "choices": {"text": ["29", "28", "39", "30"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q655_1d2d_max2d_mult", "question": "Calculate 3 * 94 =", "choices": {"text": ["254", "292", "310", "282"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q10518_3d3d_max3d_plus", "question": "Calculate 117 + 868 =", "choices": {"text": ["985", "977", "995", "993"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q7115_3d2d_max3d_div", "question": "Calculate 660 / 11 =", "choices": {"text": ["61", "59", "60", "70"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q8204_3d2d_max3d_minus", "question": "Calculate 857 - 26 =", "choices": {"text": ["831", "823", "841", "839"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q11042_3d3d_max3d_plus", "question": "Calculate 376 + 152 =", "choices": {"text": ["524", "528", "538", "532"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q3351_1d3d_max3d_mult", "question": "Calculate 6 * 129 =", "choices": {"text": ["766", "774", "784", "782"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q9166_3d2d_max3d_plus", "question": "Calculate 211 + 59 =", "choices": {"text": ["280", "268", "270", "272"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q10422_3d3d_max3d_minus", "question": "Calculate 195 - 944 =", "choices": {"text": ["-749", "749", "-750", "-748"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q5096_1d3d_max3d_mult", "question": "Calculate 5 * 157 =", "choices": {"text": ["785", "777", "795", "793"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q11075_3d3d_max3d_plus", "question": "Calculate 309 + 316 =", "choices": {"text": ["635", "625", "563", "687"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q7913_2d3d_max3d_plus", "question": "Calculate 73 + 911 =", "choices": {"text": ["976", "992", "984", "994"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q4229_1d3d_max3d_minus", "question": "Calculate 5 - 393 =", "choices": {"text": ["-387", "-389", "388", "-388"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q3319_3d1d_max3d_mult", "question": "Calculate 501 * 0 =", "choices": {"text": ["0", "1", "-1", "10"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q8047_2d3d_max3d_plus", "question": "Calculate 97 + 207 =", "choices": {"text": ["304", "276", "314", "332"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q9894_3d2d_max3d_plus", "question": "Calculate 782 + 70 =", "choices": {"text": ["852", "844", "860", "862"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q3638_3d1d_max3d_minus", "question": "Calculate 368 - 1 =", "choices": {"text": ["363", "371", "367", "377"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q5694_3d2d_max3d_div", "question": "Calculate 784 / 49 =", "choices": {"text": ["16", "26", "15", "17"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q10789_3d3d_max3d_minus", "question": "Calculate 271 - 922 =", "choices": {"text": ["-650", "-652", "651", "-651"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q5441_2d2d_max2d_plus", "question": "Calculate 23 + 88 =", "choices": {"text": ["121", "111", "110", "112"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q1455_3d1d_max3d_div", "question": "Calculate 189 / 7 =", "choices": {"text": ["26", "37", "28", "27"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q1287_2d1d_max2d_mult", "question": "Calculate 26 * 4 =", "choices": {"text": ["114", "103", "104", "105"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q2450_1d2d_max2d_mult", "question": "Calculate 8 * 59 =", "choices": {"text": ["482", "472", "468", "476"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q11990_3d3d_max3d_plus", "question": "Calculate 731 + 402 =", "choices": {"text": ["1133", "1244", "1143", "1022"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q10032_3d2d_max3d_plus", "question": "Calculate 897 + 46 =", "choices": {"text": ["951", "953", "935", "943"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q2032_1d2d_max2d_mult", "question": "Calculate 9 * 90 =", "choices": {"text": ["818", "820", "802", "810"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q3001_3d1d_max3d_plus", "question": "Calculate 481 + 0 =", "choices": {"text": ["481", "491", "485", "477"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q477_2d1d_max2d_mult", "question": "Calculate 96 * 6 =", "choices": {"text": ["520", "586", "576", "632"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q11429_3d3d_max3d_plus", "question": "Calculate 308 + 843 =", "choices": {"text": ["1151", "1262", "1161", "1040"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q6966_2d2d_max2d_plus", "question": "Calculate 84 + 45 =", "choices": {"text": ["130", "139", "129", "128"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q4781_3d1d_max3d_minus", "question": "Calculate 618 - 5 =", "choices": {"text": ["613", "557", "669", "623"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q760_1d2d_max2d_mult", "question": "Calculate 1 * 34 =", "choices": {"text": ["33", "35", "34", "44"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q419_3d2d_max3d_div", "question": "Calculate 459 / 51 =", "choices": {"text": ["8", "10", "9", "19"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q3139_3d1d_max3d_plus", "question": "Calculate 676 + 6 =", "choices": {"text": ["692", "674", "682", "690"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q12772_3d3d_max3d_minus", "question": "Calculate 918 - 123 =", "choices": {"text": ["803", "795", "787", "805"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q3680_3d1d_max3d_plus", "question": "Calculate 524 + 2 =", "choices": {"text": ["526", "530", "522", "536"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q11260_3d3d_max3d_plus", "question": "Calculate 104 + 592 =", "choices": {"text": ["688", "706", "696", "704"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q762_2d1d_max2d_div", "question": "Calculate 34 / 1 =", "choices": {"text": ["35", "44", "34", "33"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q4200_3d1d_max3d_plus", "question": "Calculate 764 + 8 =", "choices": {"text": ["764", "772", "780", "782"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q4436_1d3d_max3d_plus", "question": "Calculate 8 + 629 =", "choices": {"text": ["637", "647", "699", "575"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q2430_1d2d_max2d_mult", "question": "Calculate 6 * 29 =", "choices": {"text": ["184", "176", "172", "174"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q9947_2d3d_max3d_plus", "question": "Calculate 39 + 111 =", "choices": {"text": ["136", "150", "164", "160"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q12119_3d3d_max3d_minus", "question": "Calculate 880 - 147 =", "choices": {"text": ["741", "743", "733", "725"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q1683_3d1d_max3d_div", "question": "Calculate 760 / 8 =", "choices": {"text": ["105", "94", "96", "95"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q8762_3d2d_max3d_plus", "question": "Calculate 347 + 46 =", "choices": {"text": ["393", "403", "397", "389"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q11245_3d3d_max3d_plus", "question": "Calculate 836 + 780 =", "choices": {"text": ["1626", "1601", "1631", "1616"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q8128_3d2d_max3d_plus", "question": "Calculate 364 + 77 =", "choices": {"text": ["445", "451", "437", "441"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q7914_3d2d_max3d_plus", "question": "Calculate 911 + 73 =", "choices": {"text": ["994", "976", "984", "992"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q1381_3d2d_max3d_div", "question": "Calculate 464 / 58 =", "choices": {"text": ["9", "18", "7", "8"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q4318_1d3d_max3d_minus", "question": "Calculate 0 - 540 =", "choices": {"text": ["-540", "540", "-539", "-541"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q1106_1d2d_max2d_mult", "question": "Calculate 6 * 15 =", "choices": {"text": ["90", "89", "100", "91"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q577_2d1d_max2d_mult", "question": "Calculate 70 * 6 =", "choices": {"text": ["416", "420", "430", "424"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q8978_3d2d_max3d_plus", "question": "Calculate 594 + 35 =", "choices": {"text": ["567", "639", "691", "629"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q2947_1d3d_max3d_mult", "question": "Calculate 0 * 348 =", "choices": {"text": ["0", "1", "-1", "10"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q10798_3d3d_max3d_plus", "question": "Calculate 816 + 634 =", "choices": {"text": ["1465", "1460", "1450", "1435"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q3329_3d1d_max3d_div", "question": "Calculate 434 / 2 =", "choices": {"text": ["227", "217", "219", "215"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q5850_2d2d_max2d_mult", "question": "Calculate 19 * 18 =", "choices": {"text": ["346", "338", "352", "342"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q12861_3d3d_max3d_minus", "question": "Calculate 176 - 704 =", "choices": {"text": ["528", "-527", "-528", "-529"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q9650_3d2d_max3d_plus", "question": "Calculate 953 + 23 =", "choices": {"text": ["986", "984", "976", "968"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q2885_3d1d_max3d_minus", "question": "Calculate 703 - 3 =", "choices": {"text": ["692", "710", "708", "700"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q10350_3d2d_max3d_minus", "question": "Calculate 670 - 93 =", "choices": {"text": ["633", "587", "577", "521"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q8553_2d3d_max3d_plus", "question": "Calculate 66 + 113 =", "choices": {"text": ["189", "177", "179", "181"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q10055_2d3d_max3d_plus", "question": "Calculate 27 + 331 =", "choices": {"text": ["358", "354", "368", "362"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q725_3d2d_max3d_div", "question": "Calculate 819 / 91 =", "choices": {"text": ["8", "10", "19", "9"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q12406_3d3d_max3d_minus", "question": "Calculate 891 - 188 =", "choices": {"text": ["695", "711", "713", "703"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q10687_3d3d_max3d_minus", "question": "Calculate 363 - 744 =", "choices": {"text": ["381", "-381", "-382", "-380"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q909_2d1d_max2d_div", "question": "Calculate 54 / 1 =", "choices": {"text": ["54", "55", "53", "64"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q4194_3d1d_max3d_div", "question": "Calculate 414 / 3 =", "choices": {"text": ["138", "137", "139", "148"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q12390_3d3d_max3d_plus", "question": "Calculate 678 + 618 =", "choices": {"text": ["1311", "1306", "1281", "1296"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q12528_3d3d_max3d_plus", "question": "Calculate 933 + 463 =", "choices": {"text": ["1406", "1381", "1396", "1411"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q8596_3d2d_max3d_minus", "question": "Calculate 949 - 91 =", "choices": {"text": ["850", "866", "858", "868"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q8628_3d2d_max3d_plus", "question": "Calculate 292 + 91 =", "choices": {"text": ["383", "387", "379", "393"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q11522_3d3d_max3d_minus", "question": "Calculate 972 - 721 =", "choices": {"text": ["251", "249", "253", "261"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q9085_2d3d_max3d_minus", "question": "Calculate 99 - 570 =", "choices": {"text": ["-471", "471", "-472", "-470"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q7358_3d2d_max3d_div", "question": "Calculate 611 / 13 =", "choices": {"text": ["47", "46", "57", "48"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q4833_3d1d_max3d_minus", "question": "Calculate 531 - 1 =", "choices": {"text": ["530", "540", "526", "534"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q8443_2d3d_max3d_plus", "question": "Calculate 88 + 350 =", "choices": {"text": ["434", "448", "438", "442"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q1890_3d1d_max3d_div", "question": "Calculate 210 / 6 =", "choices": {"text": ["45", "35", "34", "36"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q9299_2d3d_max3d_minus", "question": "Calculate 54 - 524 =", "choices": {"text": ["-469", "470", "-471", "-470"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q7044_2d2d_max2d_plus", "question": "Calculate 25 + 84 =", "choices": {"text": ["110", "119", "109", "108"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q3255_1d3d_max3d_plus", "question": "Calculate 8 + 403 =", "choices": {"text": ["415", "407", "411", "421"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q3595_3d3d_max3d_div", "question": "Calculate 300 / 100 =", "choices": {"text": ["3", "4", "13", "2"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q10827_3d3d_max3d_plus", "question": "Calculate 835 + 448 =", "choices": {"text": ["1293", "1268", "1283", "1298"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q1854_2d1d_max2d_mult", "question": "Calculate 94 * 2 =", "choices": {"text": ["198", "190", "188", "186"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q7855_2d3d_max3d_plus", "question": "Calculate 19 + 777 =", "choices": {"text": ["804", "806", "788", "796"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q3468_3d1d_max3d_minus", "question": "Calculate 154 - 4 =", "choices": {"text": ["150", "164", "136", "160"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q12532_3d3d_max3d_minus", "question": "Calculate 859 - 689 =", "choices": {"text": ["168", "180", "170", "172"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q7922_3d2d_max3d_minus", "question": "Calculate 842 - 75 =", "choices": {"text": ["767", "775", "777", "759"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q2530_2d1d_max2d_mult", "question": "Calculate 91 * 7 =", "choices": {"text": ["637", "699", "575", "647"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q11483_3d3d_max3d_plus", "question": "Calculate 237 + 972 =", "choices": {"text": ["1320", "1209", "1219", "1098"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q10210_3d2d_max3d_plus", "question": "Calculate 467 + 31 =", "choices": {"text": ["502", "494", "498", "508"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q1211_2d1d_max2d_mult", "question": "Calculate 60 * 1 =", "choices": {"text": ["60", "70", "61", "59"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q6092_3d2d_max3d_div", "question": "Calculate 703 / 37 =", "choices": {"text": ["29", "20", "18", "19"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q2014_1d2d_max2d_mult", "question": "Calculate 8 * 21 =", "choices": {"text": ["168", "178", "170", "166"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q5422_2d2d_max2d_plus", "question": "Calculate 33 + 98 =", "choices": {"text": ["132", "130", "131", "141"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q1709_1d2d_max2d_mult", "question": "Calculate 6 * 44 =", "choices": {"text": ["266", "274", "262", "264"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q9522_3d2d_max3d_minus", "question": "Calculate 487 - 12 =", "choices": {"text": ["475", "471", "479", "485"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q3853_3d1d_max3d_mult", "question": "Calculate 732 * 0 =", "choices": {"text": ["1", "10", "0", "-1"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q12143_3d3d_max3d_minus", "question": "Calculate 622 - 433 =", "choices": {"text": ["191", "187", "199", "189"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q12217_3d3d_max3d_plus", "question": "Calculate 491 + 338 =", "choices": {"text": ["839", "821", "837", "829"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q409_3d2d_max3d_div", "question": "Calculate 567 / 81 =", "choices": {"text": ["6", "17", "7", "8"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q2567_3d2d_max3d_div", "question": "Calculate 106 / 53 =", "choices": {"text": ["2", "3", "12", "1"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q12710_3d3d_max3d_minus", "question": "Calculate 318 - 352 =", "choices": {"text": ["-34", "34", "-35", "-33"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q3318_1d3d_max3d_mult", "question": "Calculate 0 * 501 =", "choices": {"text": ["0", "10", "1", "-1"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q10774_3d3d_max3d_plus", "question": "Calculate 362 + 696 =", "choices": {"text": ["1068", "1066", "1058", "1050"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q1601_1d2d_max2d_mult", "question": "Calculate 6 * 41 =", "choices": {"text": ["246", "244", "256", "248"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q7868_3d2d_max3d_plus", "question": "Calculate 168 + 66 =", "choices": {"text": ["244", "236", "232", "234"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q4429_3d1d_max3d_plus", "question": "Calculate 177 + 1 =", "choices": {"text": ["180", "176", "178", "188"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q12808_3d3d_max3d_minus", "question": "Calculate 606 - 718 =", "choices": {"text": ["-113", "-111", "112", "-112"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q3065_3d1d_max3d_mult", "question": "Calculate 157 * 6 =", "choices": {"text": ["952", "934", "950", "942"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q9438_3d2d_max3d_plus", "question": "Calculate 651 + 45 =", "choices": {"text": ["688", "706", "704", "696"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q13049_3d3d_max3d_minus", "question": "Calculate 611 - 562 =", "choices": {"text": ["59", "48", "49", "50"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q3076_1d3d_max3d_plus", "question": "Calculate 1 + 809 =", "choices": {"text": ["820", "818", "810", "802"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q6172_3d2d_max3d_div", "question": "Calculate 675 / 27 =", "choices": {"text": ["26", "24", "35", "25"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q1549_2d1d_max2d_plus", "question": "Calculate 96 + 9 =", "choices": {"text": ["106", "104", "105", "115"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q3525_1d3d_max3d_minus", "question": "Calculate 1 - 297 =", "choices": {"text": ["-296", "-295", "296", "-297"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q1061_2d2d_max2d_div", "question": "Calculate 44 / 22 =", "choices": {"text": ["3", "2", "12", "1"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q3500_3d1d_max3d_plus", "question": "Calculate 611 + 0 =", "choices": {"text": ["621", "611", "555", "667"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q8246_3d2d_max3d_minus", "question": "Calculate 336 - 29 =", "choices": {"text": ["317", "279", "307", "335"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q2690_3d1d_max3d_minus", "question": "Calculate 228 - 1 =", "choices": {"text": ["237", "227", "229", "225"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q8138_3d2d_max3d_plus", "question": "Calculate 503 + 97 =", "choices": {"text": ["600", "656", "544", "610"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q6225_2d2d_max2d_plus", "question": "Calculate 89 + 96 =", "choices": {"text": ["183", "187", "185", "195"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q12048_3d3d_max3d_plus", "question": "Calculate 316 + 613 =", "choices": {"text": ["937", "939", "929", "921"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q4425_3d1d_max3d_minus", "question": "Calculate 547 - 4 =", "choices": {"text": ["539", "543", "547", "553"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q8432_3d2d_max3d_plus", "question": "Calculate 624 + 58 =", "choices": {"text": ["690", "674", "682", "692"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q1790_2d1d_max2d_mult", "question": "Calculate 72 * 5 =", "choices": {"text": ["360", "364", "356", "370"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q10905_3d3d_max3d_minus", "question": "Calculate 193 - 226 =", "choices": {"text": ["-34", "33", "-33", "-32"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q5143_3d3d_max3d_div", "question": "Calculate 200 / 200 =", "choices": {"text": ["2", "1", "11", "0"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q8479_2d3d_max3d_plus", "question": "Calculate 10 + 496 =", "choices": {"text": ["502", "506", "510", "516"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q2741_1d3d_max3d_plus", "question": "Calculate 9 + 835 =", "choices": {"text": ["854", "836", "844", "852"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q3681_1d3d_max3d_plus", "question": "Calculate 2 + 650 =", "choices": {"text": ["660", "652", "662", "644"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q2358_3d2d_max3d_div", "question": "Calculate 203 / 29 =", "choices": {"text": ["7", "17", "6", "8"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q1327_2d1d_max2d_mult", "question": "Calculate 86 * 2 =", "choices": {"text": ["172", "174", "170", "182"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q1677_1d2d_max2d_mult", "question": "Calculate 3 * 22 =", "choices": {"text": ["66", "76", "67", "65"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q11824_3d3d_max3d_minus", "question": "Calculate 973 - 719 =", "choices": {"text": ["256", "264", "252", "254"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q109_1d1d_max1d_mult", "question": "Calculate 3 * 6 =", "choices": {"text": ["19", "28", "18", "17"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q214_1d1d_max1d_mult", "question": "Calculate 5 * 6 =", "choices": {"text": ["30", "31", "40", "29"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q4729_3d1d_max3d_plus", "question": "Calculate 978 + 7 =", "choices": {"text": ["977", "995", "993", "985"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q354_1d1d_max1d_mult", "question": "Calculate 8 * 4 =", "choices": {"text": ["33", "31", "32", "42"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q12163_3d3d_max3d_minus", "question": "Calculate 736 - 613 =", "choices": {"text": ["123", "122", "124", "133"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q112_2d1d_max2d_div", "question": "Calculate 18 / 6 =", "choices": {"text": ["3", "13", "2", "4"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q3949_3d1d_max3d_minus", "question": "Calculate 409 - 4 =", "choices": {"text": ["401", "405", "409", "415"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q3008_1d3d_max3d_mult", "question": "Calculate 6 * 106 =", "choices": {"text": ["698", "636", "646", "574"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q925_2d1d_max2d_div", "question": "Calculate 30 / 2 =", "choices": {"text": ["14", "25", "16", "15"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q1423_2d1d_max2d_mult", "question": "Calculate 84 * 4 =", "choices": {"text": ["332", "336", "346", "340"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q3977_3d1d_max3d_plus", "question": "Calculate 321 + 0 =", "choices": {"text": ["317", "321", "325", "331"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q9684_3d2d_max3d_plus", "question": "Calculate 716 + 35 =", "choices": {"text": ["761", "759", "743", "751"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q7821_2d3d_max3d_plus", "question": "Calculate 64 + 477 =", "choices": {"text": ["541", "545", "537", "551"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q11333_3d3d_max3d_plus", "question": "Calculate 427 + 703 =", "choices": {"text": ["1241", "1140", "1130", "1019"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q6932_2d2d_max2d_plus", "question": "Calculate 86 + 39 =", "choices": {"text": ["135", "126", "124", "125"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q4145_1d3d_max3d_mult", "question": "Calculate 0 * 847 =", "choices": {"text": ["10", "-1", "1", "0"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q10271_2d3d_max3d_minus", "question": "Calculate 68 - 966 =", "choices": {"text": ["-897", "898", "-898", "-899"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q4290_3d1d_max3d_mult", "question": "Calculate 706 * 1 =", "choices": {"text": ["716", "698", "714", "706"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q924_2d1d_max2d_mult", "question": "Calculate 15 * 2 =", "choices": {"text": ["31", "30", "40", "29"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q10602_3d3d_max3d_plus", "question": "Calculate 426 + 152 =", "choices": {"text": ["634", "578", "588", "522"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q11330_3d3d_max3d_plus", "question": "Calculate 557 + 112 =", "choices": {"text": ["661", "669", "677", "679"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q12246_3d3d_max3d_minus", "question": "Calculate 123 - 486 =", "choices": {"text": ["363", "-362", "-364", "-363"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q11703_3d3d_max3d_plus", "question": "Calculate 935 + 952 =", "choices": {"text": ["1887", "1902", "1872", "1897"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q4163_3d1d_max3d_minus", "question": "Calculate 463 - 1 =", "choices": {"text": ["462", "458", "466", "472"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q9435_2d3d_max3d_minus", "question": "Calculate 85 - 332 =", "choices": {"text": ["-246", "-247", "247", "-248"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q1266_1d2d_max2d_mult", "question": "Calculate 2 * 76 =", "choices": {"text": ["152", "166", "138", "162"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q2697_1d3d_max3d_plus", "question": "Calculate 4 + 617 =", "choices": {"text": ["683", "621", "631", "559"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q1494_2d2d_max2d_div", "question": "Calculate 48 / 16 =", "choices": {"text": ["2", "4", "3", "13"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q5437_2d2d_max2d_plus", "question": "Calculate 66 + 80 =", "choices": {"text": ["132", "160", "156", "146"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q907_1d2d_max2d_mult", "question": "Calculate 1 * 54 =", "choices": {"text": ["64", "53", "54", "55"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q4899_3d1d_max3d_mult", "question": "Calculate 681 * 1 =", "choices": {"text": ["691", "681", "673", "689"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q4387_3d3d_max3d_div", "question": "Calculate 297 / 297 =", "choices": {"text": ["2", "11", "0", "1"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q10164_3d2d_max3d_plus", "question": "Calculate 928 + 53 =", "choices": {"text": ["991", "989", "973", "981"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q3931_3d1d_max3d_minus", "question": "Calculate 345 - 4 =", "choices": {"text": ["351", "345", "337", "341"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q4139_1d3d_max3d_minus", "question": "Calculate 9 - 765 =", "choices": {"text": ["-757", "-755", "756", "-756"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q4660_3d1d_max3d_div", "question": "Calculate 580 / 1 =", "choices": {"text": ["580", "524", "636", "590"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q3780_1d3d_max3d_plus", "question": "Calculate 2 + 184 =", "choices": {"text": ["184", "188", "196", "186"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q9451_2d3d_max3d_plus", "question": "Calculate 19 + 885 =", "choices": {"text": ["912", "896", "904", "914"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q6430_2d2d_max2d_mult", "question": "Calculate 16 * 29 =", "choices": {"text": ["474", "464", "468", "460"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q10036_3d2d_max3d_plus", "question": "Calculate 509 + 57 =", "choices": {"text": ["622", "566", "576", "510"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q12133_3d3d_max3d_plus", "question": "Calculate 204 + 162 =", "choices": {"text": ["376", "370", "366", "362"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q6484_2d2d_max2d_plus", "question": "Calculate 95 + 40 =", "choices": {"text": ["134", "136", "135", "145"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q10272_3d2d_max3d_minus", "question": "Calculate 966 - 68 =", "choices": {"text": ["890", "908", "898", "906"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q5029_1d3d_max3d_plus", "question": "Calculate 8 + 562 =", "choices": {"text": ["570", "514", "626", "580"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q1490_2d2d_max2d_div", "question": "Calculate 84 / 21 =", "choices": {"text": ["14", "3", "4", "5"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q7036_3d2d_max3d_div", "question": "Calculate 748 / 68 =", "choices": {"text": ["11", "10", "21", "12"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q12326_3d3d_max3d_plus", "question": "Calculate 648 + 931 =", "choices": {"text": ["1594", "1579", "1564", "1589"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q1326_1d2d_max2d_mult", "question": "Calculate 2 * 86 =", "choices": {"text": ["182", "170", "172", "174"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q11846_3d3d_max3d_plus", "question": "Calculate 751 + 246 =", "choices": {"text": ["997", "989", "1005", "1007"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q1848_2d2d_max2d_div", "question": "Calculate 70 / 70 =", "choices": {"text": ["0", "11", "1", "2"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q9619_2d3d_max3d_plus", "question": "Calculate 45 + 812 =", "choices": {"text": ["849", "867", "865", "857"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q3802_1d3d_max3d_plus", "question": "Calculate 4 + 634 =", "choices": {"text": ["700", "648", "576", "638"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q10803_3d3d_max3d_plus", "question": "Calculate 130 + 287 =", "choices": {"text": ["417", "427", "421", "413"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q3305_3d3d_max3d_div", "question": "Calculate 636 / 318 =", "choices": {"text": ["3", "2", "1", "12"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q12407_3d3d_max3d_minus", "question": "Calculate 749 - 258 =", "choices": {"text": ["487", "495", "491", "501"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q8905_2d3d_max3d_plus", "question": "Calculate 11 + 654 =", "choices": {"text": ["657", "665", "673", "675"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q11451_3d3d_max3d_plus", "question": "Calculate 203 + 402 =", "choices": {"text": ["661", "615", "549", "605"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q5363_2d2d_max2d_plus", "question": "Calculate 32 + 79 =", "choices": {"text": ["111", "112", "121", "110"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q9540_3d2d_max3d_plus", "question": "Calculate 175 + 44 =", "choices": {"text": ["221", "219", "229", "217"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q3101_3d1d_max3d_plus", "question": "Calculate 260 + 5 =", "choices": {"text": ["263", "275", "265", "267"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q8226_3d2d_max3d_minus", "question": "Calculate 263 - 90 =", "choices": {"text": ["173", "183", "175", "171"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q6511_2d2d_max2d_plus", "question": "Calculate 71 + 81 =", "choices": {"text": ["138", "152", "166", "162"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q8454_3d2d_max3d_plus", "question": "Calculate 892 + 97 =", "choices": {"text": ["999", "989", "981", "997"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q3610_1d3d_max3d_div", "question": "Calculate 0 / 996 =", "choices": {"text": ["1", "-1", "0", "10"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q2725_1d3d_max3d_minus", "question": "Calculate 8 - 166 =", "choices": {"text": ["-159", "-158", "158", "-157"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q1447_1d2d_max2d_mult", "question": "Calculate 5 * 39 =", "choices": {"text": ["193", "197", "205", "195"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q99_1d1d_max1d_mult", "question": "Calculate 1 * 6 =", "choices": {"text": ["5", "6", "16", "7"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q5038_3d1d_max3d_plus", "question": "Calculate 325 + 5 =", "choices": {"text": ["334", "326", "340", "330"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q8419_2d3d_max3d_plus", "question": "Calculate 83 + 131 =", "choices": {"text": ["212", "216", "214", "224"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q10026_3d2d_max3d_plus", "question": "Calculate 193 + 28 =", "choices": {"text": ["221", "219", "223", "231"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q7783_2d3d_max3d_minus", "question": "Calculate 24 - 892 =", "choices": {"text": ["-869", "-868", "-867", "868"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q4506_1d3d_max3d_plus", "question": "Calculate 6 + 778 =", "choices": {"text": ["792", "794", "784", "776"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q8345_2d3d_max3d_plus", "question": "Calculate 87 + 802 =", "choices": {"text": ["897", "889", "899", "881"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q2829_3d1d_max3d_plus", "question": "Calculate 559 + 0 =", "choices": {"text": ["569", "614", "559", "504"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q2833_3d1d_max3d_mult", "question": "Calculate 331 * 3 =", "choices": {"text": ["985", "1001", "1003", "993"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q2946_3d1d_max3d_plus", "question": "Calculate 725 + 5 =", "choices": {"text": ["730", "740", "738", "722"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q5149_3d1d_max3d_minus", "question": "Calculate 195 - 8 =", "choices": {"text": ["197", "187", "185", "189"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q2345_2d1d_max2d_div", "question": "Calculate 99 / 1 =", "choices": {"text": ["109", "99", "98", "100"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q4794_1d3d_max3d_plus", "question": "Calculate 3 + 435 =", "choices": {"text": ["448", "442", "434", "438"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q4556_1d3d_max3d_minus", "question": "Calculate 1 - 108 =", "choices": {"text": ["-106", "-108", "-107", "107"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q2350_3d2d_max3d_div", "question": "Calculate 240 / 48 =", "choices": {"text": ["4", "5", "6", "15"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q9478_3d2d_max3d_plus", "question": "Calculate 447 + 60 =", "choices": {"text": ["517", "503", "507", "511"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q53_1d1d_max1d_mult", "question": "Calculate 4 * 2 =", "choices": {"text": ["8", "7", "9", "18"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q4357_3d3d_max3d_div", "question": "Calculate 820 / 205 =", "choices": {"text": ["4", "14", "3", "5"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q8168_3d2d_max3d_minus", "question": "Calculate 445 - 44 =", "choices": {"text": ["397", "401", "411", "405"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q3476_3d1d_max3d_plus", "question": "Calculate 254 + 0 =", "choices": {"text": ["252", "254", "264", "256"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q8426_3d2d_max3d_minus", "question": "Calculate 922 - 29 =", "choices": {"text": ["893", "885", "901", "903"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q5064_1d3d_max3d_minus", "question": "Calculate 1 - 437 =", "choices": {"text": ["-437", "436", "-436", "-435"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q3398_3d1d_max3d_minus", "question": "Calculate 359 - 8 =", "choices": {"text": ["361", "355", "351", "347"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q10136_3d2d_max3d_plus", "question": "Calculate 283 + 56 =", "choices": {"text": ["349", "335", "339", "343"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q486_1d2d_max2d_mult", "question": "Calculate 9 * 15 =", "choices": {"text": ["134", "136", "135", "145"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q2604_1d2d_max2d_mult", "question": "Calculate 2 * 47 =", "choices": {"text": ["93", "95", "104", "94"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q11302_3d3d_max3d_plus", "question": "Calculate 167 + 928 =", "choices": {"text": ["986", "1095", "1105", "1204"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q11642_3d3d_max3d_minus", "question": "Calculate 681 - 817 =", "choices": {"text": ["-136", "136", "-137", "-135"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q7398_2d2d_max2d_plus", "question": "Calculate 66 + 78 =", "choices": {"text": ["154", "144", "130", "158"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q11136_3d3d_max3d_plus", "question": "Calculate 298 + 564 =", "choices": {"text": ["854", "862", "872", "870"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q1597_1d2d_max2d_mult", "question": "Calculate 9 * 52 =", "choices": {"text": ["464", "468", "478", "472"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q9969_2d3d_max3d_minus", "question": "Calculate 19 - 615 =", "choices": {"text": ["-596", "596", "-595", "-597"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q4472_1d3d_max3d_plus", "question": "Calculate 6 + 898 =", "choices": {"text": ["914", "912", "904", "896"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q5588_2d2d_max2d_plus", "question": "Calculate 82 + 59 =", "choices": {"text": ["151", "155", "141", "127"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q7043_3d2d_max3d_div", "question": "Calculate 630 / 42 =", "choices": {"text": ["25", "14", "16", "15"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q7417_2d2d_max2d_plus", "question": "Calculate 49 + 62 =", "choices": {"text": ["121", "111", "110", "112"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q2926_3d1d_max3d_plus", "question": "Calculate 224 + 7 =", "choices": {"text": ["231", "241", "229", "233"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q11607_3d3d_max3d_plus", "question": "Calculate 320 + 656 =", "choices": {"text": ["976", "986", "968", "984"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q7572_2d2d_max2d_plus", "question": "Calculate 99 + 19 =", "choices": {"text": ["128", "118", "117", "119"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q1947_2d1d_max2d_plus", "question": "Calculate 99 + 7 =", "choices": {"text": ["107", "116", "105", "106"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q3427_1d3d_max3d_plus", "question": "Calculate 9 + 225 =", "choices": {"text": ["234", "236", "244", "232"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q11567_3d3d_max3d_minus", "question": "Calculate 429 - 571 =", "choices": {"text": ["-141", "-143", "142", "-142"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q10384_3d3d_max3d_plus", "question": "Calculate 187 + 888 =", "choices": {"text": ["1075", "1085", "1067", "1083"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q10205_2d3d_max3d_plus", "question": "Calculate 73 + 277 =", "choices": {"text": ["346", "354", "350", "360"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q10075_2d3d_max3d_minus", "question": "Calculate 38 - 666 =", "choices": {"text": ["628", "-629", "-628", "-627"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q9667_2d3d_max3d_minus", "question": "Calculate 42 - 655 =", "choices": {"text": ["613", "-612", "-613", "-614"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q717_2d1d_max2d_mult", "question": "Calculate 86 * 8 =", "choices": {"text": ["696", "688", "680", "698"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q8621_2d3d_max3d_plus", "question": "Calculate 64 + 318 =", "choices": {"text": ["382", "386", "378", "392"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q10912_3d3d_max3d_minus", "question": "Calculate 785 - 515 =", "choices": {"text": ["268", "270", "272", "280"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q7964_3d2d_max3d_plus", "question": "Calculate 576 + 89 =", "choices": {"text": ["657", "673", "675", "665"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q11601_3d3d_max3d_minus", "question": "Calculate 697 - 169 =", "choices": {"text": ["538", "528", "532", "524"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q4430_1d3d_max3d_plus", "question": "Calculate 9 + 669 =", "choices": {"text": ["678", "670", "686", "688"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q11461_3d3d_max3d_minus", "question": "Calculate 474 - 734 =", "choices": {"text": ["-261", "260", "-259", "-260"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q2976_1d3d_max3d_plus", "question": "Calculate 0 + 247 =", "choices": {"text": ["247", "249", "257", "245"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q8825_2d3d_max3d_minus", "question": "Calculate 61 - 572 =", "choices": {"text": ["-511", "-510", "511", "-512"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q7175_2d2d_max2d_plus", "question": "Calculate 27 + 77 =", "choices": {"text": ["104", "114", "103", "105"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q11829_3d3d_max3d_plus", "question": "Calculate 190 + 936 =", "choices": {"text": ["1237", "1136", "1126", "1015"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q12866_3d3d_max3d_plus", "question": "Calculate 669 + 424 =", "choices": {"text": ["984", "1103", "1093", "1202"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q12518_3d3d_max3d_plus", "question": "Calculate 980 + 954 =", "choices": {"text": ["1944", "1934", "1919", "1949"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q11985_3d3d_max3d_minus", "question": "Calculate 738 - 834 =", "choices": {"text": ["-97", "96", "-95", "-96"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q4654_1d3d_max3d_minus", "question": "Calculate 0 - 220 =", "choices": {"text": ["-220", "220", "-221", "-219"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q11929_3d3d_max3d_minus", "question": "Calculate 846 - 908 =", "choices": {"text": ["-63", "-61", "62", "-62"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q13024_3d3d_max3d_minus", "question": "Calculate 549 - 804 =", "choices": {"text": ["-254", "-255", "255", "-256"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q8209_2d3d_max3d_plus", "question": "Calculate 50 + 327 =", "choices": {"text": ["377", "373", "381", "387"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q11763_3d3d_max3d_minus", "question": "Calculate 370 - 627 =", "choices": {"text": ["-256", "-257", "-258", "257"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q1471_1d2d_max2d_mult", "question": "Calculate 4 * 15 =", "choices": {"text": ["61", "59", "60", "70"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q12477_3d3d_max3d_minus", "question": "Calculate 144 - 774 =", "choices": {"text": ["630", "-629", "-631", "-630"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q12692_3d3d_max3d_plus", "question": "Calculate 565 + 914 =", "choices": {"text": ["1494", "1464", "1479", "1489"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q11419_3d3d_max3d_plus", "question": "Calculate 420 + 854 =", "choices": {"text": ["1397", "1274", "1151", "1284"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q4362_1d3d_max3d_minus", "question": "Calculate 8 - 397 =", "choices": {"text": ["-388", "-390", "389", "-389"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q12645_3d3d_max3d_plus", "question": "Calculate 646 + 277 =", "choices": {"text": ["931", "915", "933", "923"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q9999_2d3d_max3d_plus", "question": "Calculate 25 + 800 =", "choices": {"text": ["835", "817", "833", "825"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q96_1d1d_max1d_div", "question": "Calculate 3 / 1 =", "choices": {"text": ["3", "4", "13", "2"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q12844_3d3d_max3d_minus", "question": "Calculate 244 - 785 =", "choices": {"text": ["541", "-540", "-541", "-542"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q2907_3d1d_max3d_plus", "question": "Calculate 672 + 4 =", "choices": {"text": ["684", "668", "676", "686"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q13033_3d3d_max3d_plus", "question": "Calculate 913 + 168 =", "choices": {"text": ["1081", "1089", "1091", "1073"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q606_2d1d_max2d_div", "question": "Calculate 63 / 3 =", "choices": {"text": ["22", "20", "31", "21"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q12702_3d3d_max3d_minus", "question": "Calculate 858 - 347 =", "choices": {"text": ["515", "507", "511", "521"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q11975_3d3d_max3d_minus", "question": "Calculate 539 - 482 =", "choices": {"text": ["57", "58", "67", "56"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q6798_2d2d_max2d_plus", "question": "Calculate 17 + 85 =", "choices": {"text": ["112", "103", "101", "102"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q2805_3d1d_max3d_minus", "question": "Calculate 601 - 3 =", "choices": {"text": ["598", "542", "654", "608"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q11151_3d3d_max3d_plus", "question": "Calculate 304 + 700 =", "choices": {"text": ["996", "1004", "1014", "1012"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q10630_3d3d_max3d_minus", "question": "Calculate 552 - 746 =", "choices": {"text": ["194", "-193", "-195", "-194"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q3013_3d1d_max3d_minus", "question": "Calculate 184 - 2 =", "choices": {"text": ["192", "182", "180", "184"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q2766_3d1d_max3d_plus", "question": "Calculate 147 + 8 =", "choices": {"text": ["141", "165", "155", "169"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q345_2d1d_max2d_div", "question": "Calculate 28 / 4 =", "choices": {"text": ["17", "8", "7", "6"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q8086_3d2d_max3d_plus", "question": "Calculate 787 + 52 =", "choices": {"text": ["831", "849", "847", "839"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q10029_2d3d_max3d_minus", "question": "Calculate 20 - 568 =", "choices": {"text": ["-549", "-548", "-547", "548"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q7757_2d3d_max3d_plus", "question": "Calculate 72 + 160 =", "choices": {"text": ["232", "242", "230", "234"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q4550_1d3d_max3d_minus", "question": "Calculate 6 - 262 =", "choices": {"text": ["-255", "256", "-257", "-256"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q3553_3d1d_max3d_plus", "question": "Calculate 569 + 3 =", "choices": {"text": ["572", "628", "582", "516"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q3040_1d3d_max3d_minus", "question": "Calculate 9 - 923 =", "choices": {"text": ["-913", "-915", "-914", "914"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q8242_3d2d_max3d_minus", "question": "Calculate 634 - 30 =", "choices": {"text": ["660", "548", "604", "614"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q1043_1d2d_max2d_div", "question": "Calculate 0 / 97 =", "choices": {"text": ["0", "1", "10", "-1"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q557_2d1d_max2d_mult", "question": "Calculate 47 * 1 =", "choices": {"text": ["57", "48", "46", "47"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q4136_3d1d_max3d_plus", "question": "Calculate 742 + 9 =", "choices": {"text": ["761", "759", "743", "751"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q8182_3d2d_max3d_plus", "question": "Calculate 907 + 75 =", "choices": {"text": ["990", "992", "982", "974"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q10815_3d3d_max3d_minus", "question": "Calculate 663 - 884 =", "choices": {"text": ["-222", "221", "-221", "-220"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q2006_1d2d_max2d_mult", "question": "Calculate 5 * 35 =", "choices": {"text": ["185", "173", "175", "177"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q6853_3d2d_max3d_div", "question": "Calculate 880 / 22 =", "choices": {"text": ["39", "50", "40", "41"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q12118_3d3d_max3d_plus", "question": "Calculate 186 + 951 =", "choices": {"text": ["1137", "1147", "1248", "1026"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q2760_3d1d_max3d_mult", "question": "Calculate 180 * 3 =", "choices": {"text": ["540", "544", "536", "550"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q6003_2d2d_max2d_plus", "question": "Calculate 92 + 97 =", "choices": {"text": ["189", "191", "199", "187"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q4422_1d3d_max3d_plus", "question": "Calculate 3 + 132 =", "choices": {"text": ["134", "135", "136", "145"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q10016_3d2d_max3d_plus", "question": "Calculate 589 + 30 =", "choices": {"text": ["563", "619", "629", "675"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q12041_3d3d_max3d_plus", "question": "Calculate 433 + 435 =", "choices": {"text": ["876", "868", "878", "860"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q12368_3d3d_max3d_plus", "question": "Calculate 622 + 822 =", "choices": {"text": ["1459", "1454", "1444", "1429"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q384_1d1d_max1d_div", "question": "Calculate 8 / 8 =", "choices": {"text": ["11", "0", "1", "2"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q3199_3d1d_max3d_plus", "question": "Calculate 869 + 3 =", "choices": {"text": ["872", "880", "864", "882"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q5764_2d2d_max2d_plus", "question": "Calculate 53 + 64 =", "choices": {"text": ["118", "117", "116", "127"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q10878_3d3d_max3d_plus", "question": "Calculate 413 + 416 =", "choices": {"text": ["829", "839", "821", "837"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q3016_1d3d_max3d_minus", "question": "Calculate 9 - 534 =", "choices": {"text": ["-524", "525", "-525", "-526"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q7309_2d2d_max2d_plus", "question": "Calculate 38 + 87 =", "choices": {"text": ["135", "124", "125", "126"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q10162_3d2d_max3d_minus", "question": "Calculate 176 - 37 =", "choices": {"text": ["139", "149", "138", "140"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q11595_3d3d_max3d_plus", "question": "Calculate 390 + 502 =", "choices": {"text": ["900", "892", "902", "884"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q8776_3d2d_max3d_plus", "question": "Calculate 474 + 47 =", "choices": {"text": ["525", "531", "517", "521"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q9594_3d2d_max3d_plus", "question": "Calculate 498 + 51 =", "choices": {"text": ["553", "545", "559", "549"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q9232_3d2d_max3d_minus", "question": "Calculate 384 - 33 =", "choices": {"text": ["351", "361", "347", "355"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q6752_3d2d_max3d_div", "question": "Calculate 836 / 76 =", "choices": {"text": ["11", "21", "12", "10"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q1199_2d1d_max2d_mult", "question": "Calculate 67 * 4 =", "choices": {"text": ["278", "270", "266", "268"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q9342_3d2d_max3d_minus", "question": "Calculate 602 - 29 =", "choices": {"text": ["573", "517", "583", "629"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q3845_3d1d_max3d_minus", "question": "Calculate 581 - 8 =", "choices": {"text": ["583", "629", "573", "517"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q6005_2d2d_max2d_plus", "question": "Calculate 46 + 75 =", "choices": {"text": ["121", "120", "122", "131"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q10100_3d2d_max3d_minus", "question": "Calculate 254 - 11 =", "choices": {"text": ["245", "253", "243", "241"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q3303_3d1d_max3d_mult", "question": "Calculate 318 * 2 =", "choices": {"text": ["574", "636", "698", "646"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q11086_3d3d_max3d_plus", "question": "Calculate 713 + 156 =", "choices": {"text": ["877", "879", "869", "861"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q4726_1d3d_max3d_plus", "question": "Calculate 2 + 868 =", "choices": {"text": ["880", "870", "878", "862"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q10297_2d3d_max3d_minus", "question": "Calculate 81 - 129 =", "choices": {"text": ["48", "-49", "-48", "-47"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q1497_1d2d_max2d_mult", "question": "Calculate 4 * 79 =", "choices": {"text": ["285", "326", "347", "316"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q5765_2d2d_max2d_plus", "question": "Calculate 64 + 53 =", "choices": {"text": ["116", "117", "127", "118"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q215_1d1d_max1d_mult", "question": "Calculate 6 * 5 =", "choices": {"text": ["31", "40", "29", "30"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q4108_1d3d_max3d_plus", "question": "Calculate 5 + 228 =", "choices": {"text": ["231", "243", "233", "235"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q1289_3d2d_max3d_div", "question": "Calculate 104 / 26 =", "choices": {"text": ["14", "4", "3", "5"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q10280_3d2d_max3d_minus", "question": "Calculate 417 - 74 =", "choices": {"text": ["353", "343", "347", "339"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q1284_3d1d_max3d_div", "question": "Calculate 225 / 5 =", "choices": {"text": ["45", "55", "44", "46"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q1684_3d2d_max3d_div", "question": "Calculate 760 / 95 =", "choices": {"text": ["7", "18", "8", "9"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q10634_3d3d_max3d_minus", "question": "Calculate 771 - 380 =", "choices": {"text": ["387", "401", "395", "391"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q5027_1d3d_max3d_plus", "question": "Calculate 6 + 299 =", "choices": {"text": ["305", "277", "333", "315"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q5839_2d2d_max2d_plus", "question": "Calculate 65 + 56 =", "choices": {"text": ["131", "120", "121", "122"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q12047_3d3d_max3d_plus", "question": "Calculate 613 + 316 =", "choices": {"text": ["929", "937", "939", "921"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q11176_3d3d_max3d_minus", "question": "Calculate 539 - 773 =", "choices": {"text": ["-234", "-235", "-233", "234"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q1760_2d1d_max2d_plus", "question": "Calculate 95 + 9 =", "choices": {"text": ["103", "105", "104", "114"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q10300_3d2d_max3d_minus", "question": "Calculate 609 - 84 =", "choices": {"text": ["521", "535", "525", "529"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q222_1d1d_max1d_mult", "question": "Calculate 0 * 5 =", "choices": {"text": ["-1", "10", "1", "0"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q6039_2d2d_max2d_plus", "question": "Calculate 26 + 89 =", "choices": {"text": ["116", "125", "115", "114"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q4808_1d3d_max3d_plus", "question": "Calculate 3 + 811 =", "choices": {"text": ["806", "824", "814", "822"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q3872_1d3d_max3d_plus", "question": "Calculate 3 + 818 =", "choices": {"text": ["831", "813", "821", "829"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q145_2d1d_max2d_div", "question": "Calculate 24 / 6 =", "choices": {"text": ["14", "4", "3", "5"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q2222_3d1d_max3d_div", "question": "Calculate 300 / 6 =", "choices": {"text": ["49", "50", "51", "60"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q1262_3d1d_max3d_div", "question": "Calculate 576 / 8 =", "choices": {"text": ["65", "72", "79", "82"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q6622_2d2d_max2d_plus", "question": "Calculate 77 + 57 =", "choices": {"text": ["134", "135", "133", "144"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q12529_3d3d_max3d_plus", "question": "Calculate 838 + 206 =", "choices": {"text": ["1044", "1052", "1036", "1054"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q6458_3d2d_max3d_div", "question": "Calculate 744 / 12 =", "choices": {"text": ["72", "61", "62", "63"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q7762_3d2d_max3d_minus", "question": "Calculate 279 - 49 =", "choices": {"text": ["232", "230", "240", "228"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q12245_3d3d_max3d_minus", "question": "Calculate 486 - 123 =", "choices": {"text": ["373", "367", "359", "363"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q11238_3d3d_max3d_plus", "question": "Calculate 406 + 949 =", "choices": {"text": ["1355", "1365", "1340", "1370"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q133_1d1d_max1d_mult", "question": "Calculate 4 * 4 =", "choices": {"text": ["16", "15", "26", "17"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q4061_3d1d_max3d_plus", "question": "Calculate 654 + 7 =", "choices": {"text": ["669", "653", "661", "671"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q8906_3d2d_max3d_plus", "question": "Calculate 654 + 11 =", "choices": {"text": ["657", "673", "675", "665"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q1456_3d2d_max3d_div", "question": "Calculate 189 / 27 =", "choices": {"text": ["17", "6", "7", "8"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q4404_1d3d_max3d_plus", "question": "Calculate 4 + 998 =", "choices": {"text": ["994", "1002", "1012", "1010"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q4566_1d3d_max3d_minus", "question": "Calculate 8 - 314 =", "choices": {"text": ["-306", "-307", "306", "-305"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q4106_1d3d_max3d_minus", "question": "Calculate 1 - 752 =", "choices": {"text": ["-751", "751", "-750", "-752"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q949_3d1d_max3d_div", "question": "Calculate 612 / 9 =", "choices": {"text": ["68", "78", "69", "67"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q1328_3d1d_max3d_div", "question": "Calculate 172 / 2 =", "choices": {"text": ["86", "87", "85", "96"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q8480_3d2d_max3d_plus", "question": "Calculate 496 + 10 =", "choices": {"text": ["516", "506", "502", "510"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q527_2d1d_max2d_mult", "question": "Calculate 76 * 7 =", "choices": {"text": ["528", "532", "542", "536"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q4862_1d3d_max3d_plus", "question": "Calculate 4 + 722 =", "choices": {"text": ["736", "734", "718", "726"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q7467_2d2d_max2d_plus", "question": "Calculate 60 + 98 =", "choices": {"text": ["168", "158", "172", "144"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q8552_3d2d_max3d_minus", "question": "Calculate 898 - 40 =", "choices": {"text": ["868", "850", "866", "858"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q11754_3d3d_max3d_plus", "question": "Calculate 902 + 455 =", "choices": {"text": ["1357", "1367", "1342", "1372"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q11398_3d3d_max3d_minus", "question": "Calculate 407 - 301 =", "choices": {"text": ["106", "107", "105", "116"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q9668_3d2d_max3d_minus", "question": "Calculate 655 - 42 =", "choices": {"text": ["613", "557", "669", "623"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q1700_2d1d_max2d_mult", "question": "Calculate 22 * 7 =", "choices": {"text": ["140", "164", "154", "168"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q7956_3d2d_max3d_minus", "question": "Calculate 481 - 67 =", "choices": {"text": ["414", "424", "410", "418"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q2780_3d1d_max3d_minus", "question": "Calculate 730 - 4 =", "choices": {"text": ["734", "726", "736", "718"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q978_1d2d_max2d_mult", "question": "Calculate 9 * 50 =", "choices": {"text": ["446", "454", "450", "460"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q7915_2d3d_max3d_minus", "question": "Calculate 86 - 690 =", "choices": {"text": ["-604", "-603", "-605", "604"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q11167_3d3d_max3d_minus", "question": "Calculate 782 - 843 =", "choices": {"text": ["-60", "61", "-62", "-61"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q9902_3d2d_max3d_minus", "question": "Calculate 946 - 37 =", "choices": {"text": ["919", "909", "917", "901"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q6670_2d2d_max2d_plus", "question": "Calculate 84 + 38 =", "choices": {"text": ["122", "132", "123", "121"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q8521_2d3d_max3d_minus", "question": "Calculate 16 - 514 =", "choices": {"text": ["-499", "498", "-498", "-497"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q5917_2d2d_max2d_plus", "question": "Calculate 68 + 46 =", "choices": {"text": ["114", "113", "124", "115"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q10045_2d3d_max3d_minus", "question": "Calculate 50 - 407 =", "choices": {"text": ["357", "-357", "-356", "-358"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q7717_2d3d_max3d_minus", "question": "Calculate 82 - 346 =", "choices": {"text": ["-265", "264", "-264", "-263"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q4650_1d3d_max3d_minus", "question": "Calculate 0 - 786 =", "choices": {"text": ["-785", "-786", "786", "-787"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q8815_2d3d_max3d_plus", "question": "Calculate 75 + 349 =", "choices": {"text": ["428", "420", "424", "434"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q2405_2d1d_max2d_mult", "question": "Calculate 40 * 6 =", "choices": {"text": ["240", "238", "242", "250"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q9423_2d3d_max3d_plus", "question": "Calculate 77 + 987 =", "choices": {"text": ["1074", "1072", "1064", "1056"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q4248_3d1d_max3d_plus", "question": "Calculate 684 + 1 =", "choices": {"text": ["685", "677", "695", "693"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q3425_1d3d_max3d_plus", "question": "Calculate 2 + 819 =", "choices": {"text": ["821", "813", "829", "831"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q1049_2d2d_max2d_div", "question": "Calculate 25 / 25 =", "choices": {"text": ["11", "0", "1", "2"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q2508_3d2d_max3d_div", "question": "Calculate 275 / 55 =", "choices": {"text": ["6", "4", "5", "15"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q10586_3d3d_max3d_plus", "question": "Calculate 342 + 838 =", "choices": {"text": ["1190", "1069", "1291", "1180"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q7419_2d2d_max2d_plus", "question": "Calculate 96 + 27 =", "choices": {"text": ["124", "122", "123", "133"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q4515_3d1d_max3d_minus", "question": "Calculate 640 - 9 =", "choices": {"text": ["693", "631", "569", "641"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q3994_1d3d_max3d_minus", "question": "Calculate 5 - 815 =", "choices": {"text": ["810", "-810", "-809", "-811"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q8334_3d2d_max3d_minus", "question": "Calculate 495 - 77 =", "choices": {"text": ["418", "422", "428", "414"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q60_1d1d_max1d_div", "question": "Calculate 0 / 4 =", "choices": {"text": ["1", "0", "10", "-1"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q11232_3d3d_max3d_plus", "question": "Calculate 706 + 122 =", "choices": {"text": ["820", "838", "828", "836"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q4799_3d1d_max3d_minus", "question": "Calculate 991 - 5 =", "choices": {"text": ["978", "996", "986", "994"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q11289_3d3d_max3d_minus", "question": "Calculate 681 - 139 =", "choices": {"text": ["542", "546", "538", "552"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q5067_3d1d_max3d_plus", "question": "Calculate 686 + 8 =", "choices": {"text": ["694", "702", "686", "704"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q5402_2d2d_max2d_mult", "question": "Calculate 17 * 53 =", "choices": {"text": ["901", "911", "909", "893"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q3492_3d1d_max3d_minus", "question": "Calculate 708 - 4 =", "choices": {"text": ["712", "704", "696", "714"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q6085_3d2d_max3d_div", "question": "Calculate 420 / 21 =", "choices": {"text": ["20", "21", "30", "19"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q1687_3d1d_max3d_div", "question": "Calculate 390 / 6 =", "choices": {"text": ["75", "64", "65", "66"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q10171_2d3d_max3d_minus", "question": "Calculate 57 - 262 =", "choices": {"text": ["-204", "205", "-205", "-206"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q4271_3d1d_max3d_div", "question": "Calculate 693 / 3 =", "choices": {"text": ["233", "231", "229", "241"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q8784_3d2d_max3d_plus", "question": "Calculate 159 + 29 =", "choices": {"text": ["198", "188", "190", "186"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q52_1d1d_max1d_mult", "question": "Calculate 2 * 4 =", "choices": {"text": ["9", "18", "8", "7"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q2111_2d1d_max2d_mult", "question": "Calculate 15 * 1 =", "choices": {"text": ["15", "16", "25", "14"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q4998_3d1d_max3d_plus", "question": "Calculate 344 + 1 =", "choices": {"text": ["355", "341", "349", "345"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q1402_3d1d_max3d_div", "question": "Calculate 520 / 8 =", "choices": {"text": ["75", "66", "64", "65"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q3297_3d1d_max3d_plus", "question": "Calculate 113 + 2 =", "choices": {"text": ["125", "114", "115", "116"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q3842_1d3d_max3d_minus", "question": "Calculate 7 - 547 =", "choices": {"text": ["-539", "-541", "-540", "540"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q10488_3d3d_max3d_plus", "question": "Calculate 484 + 972 =", "choices": {"text": ["1466", "1441", "1456", "1471"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q2974_1d3d_max3d_minus", "question": "Calculate 5 - 451 =", "choices": {"text": ["-447", "446", "-445", "-446"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q2055_2d1d_max2d_mult", "question": "Calculate 11 * 1 =", "choices": {"text": ["10", "11", "12", "21"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q3330_3d3d_max3d_div", "question": "Calculate 434 / 217 =", "choices": {"text": ["12", "1", "3", "2"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q2615_3d2d_max3d_div", "question": "Calculate 156 / 26 =", "choices": {"text": ["7", "6", "16", "5"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q4581_3d1d_max3d_minus", "question": "Calculate 148 - 0 =", "choices": {"text": ["162", "158", "148", "134"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q1918_1d2d_max2d_mult", "question": "Calculate 8 * 73 =", "choices": {"text": ["594", "640", "528", "584"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q4310_1d3d_max3d_plus", "question": "Calculate 3 + 231 =", "choices": {"text": ["234", "236", "244", "232"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q12174_3d3d_max3d_minus", "question": "Calculate 671 - 723 =", "choices": {"text": ["-52", "-51", "52", "-53"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q5280_3d2d_max3d_div", "question": "Calculate 374 / 17 =", "choices": {"text": ["32", "23", "22", "21"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q1998_1d2d_max2d_mult", "question": "Calculate 3 * 40 =", "choices": {"text": ["119", "121", "120", "130"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q1611_1d2d_max2d_div", "question": "Calculate 0 / 43 =", "choices": {"text": ["0", "10", "1", "-1"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q3613_1d3d_max3d_plus", "question": "Calculate 4 + 942 =", "choices": {"text": ["946", "938", "954", "956"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q2739_1d3d_max3d_plus", "question": "Calculate 0 + 728 =", "choices": {"text": ["728", "720", "738", "736"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q9570_3d2d_max3d_plus", "question": "Calculate 252 + 43 =", "choices": {"text": ["305", "295", "323", "267"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q2986_1d3d_max3d_minus", "question": "Calculate 4 - 778 =", "choices": {"text": ["-773", "-775", "774", "-774"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q8355_2d3d_max3d_plus", "question": "Calculate 86 + 286 =", "choices": {"text": ["382", "372", "376", "368"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q8231_2d3d_max3d_minus", "question": "Calculate 47 - 338 =", "choices": {"text": ["-291", "-290", "291", "-292"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q9971_2d3d_max3d_plus", "question": "Calculate 43 + 747 =", "choices": {"text": ["800", "782", "798", "790"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q1093_2d2d_max2d_div", "question": "Calculate 56 / 56 =", "choices": {"text": ["1", "11", "2", "0"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q8710_3d2d_max3d_plus", "question": "Calculate 765 + 83 =", "choices": {"text": ["858", "840", "856", "848"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q10854_3d3d_max3d_plus", "question": "Calculate 847 + 110 =", "choices": {"text": ["967", "957", "949", "965"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q2852_1d3d_max3d_minus", "question": "Calculate 6 - 167 =", "choices": {"text": ["161", "-162", "-160", "-161"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q2683_1d3d_max3d_minus", "question": "Calculate 5 - 636 =", "choices": {"text": ["631", "-632", "-631", "-630"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q2738_3d3d_max3d_div", "question": "Calculate 393 / 393 =", "choices": {"text": ["1", "0", "11", "2"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q9977_2d3d_max3d_plus", "question": "Calculate 51 + 414 =", "choices": {"text": ["461", "469", "475", "465"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "medium"}
{"id": "q10895_3d3d_max3d_plus", "question": "Calculate 389 + 143 =", "choices": {"text": ["536", "532", "542", "528"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q3894_1d3d_max3d_plus", "question": "Calculate 6 + 905 =", "choices": {"text": ["921", "911", "919", "903"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q4095_3d1d_max3d_plus", "question": "Calculate 443 + 9 =", "choices": {"text": ["448", "462", "452", "456"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q3991_3d1d_max3d_minus", "question": "Calculate 579 - 3 =", "choices": {"text": ["520", "586", "576", "632"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q10938_3d3d_max3d_plus", "question": "Calculate 145 + 628 =", "choices": {"text": ["783", "781", "773", "765"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "medium"}
{"id": "q8908_3d2d_max3d_minus", "question": "Calculate 493 - 49 =", "choices": {"text": ["444", "440", "448", "454"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "medium"}
{"id": "q424_3d1d_max3d_div", "question": "Calculate 100 / 2 =", "choices": {"text": ["60", "50", "49", "51"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q4115_3d1d_max3d_plus", "question": "Calculate 276 + 7 =", "choices": {"text": ["311", "283", "255", "293"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "medium"}
{"id": "q9643_2d3d_max3d_mult", "question": "Calculate 65 * 835 =", "choices": {"text": ["54285", "54739", "54275", "53811"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q11767_3d3d_max3d_mult", "question": "Calculate 527 * 210 =", "choices": {"text": ["110670", "110680", "111597", "109743"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q12238_3d3d_max3d_mult", "question": "Calculate 511 * 160 =", "choices": {"text": ["81760", "81770", "73928", "89592"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q8403_5d2d_max5d_div", "question": "Calculate 57855 / 95 =", "choices": {"text": ["665", "619", "553", "609"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q11543_3d3d_max3d_mult", "question": "Calculate 353 * 552 =", "choices": {"text": ["196710", "193002", "194856", "194866"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q13027_6d3d_max6d_div", "question": "Calculate 594486 / 909 =", "choices": {"text": ["664", "654", "662", "646"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q12620_5d3d_max5d_div", "question": "Calculate 35568 / 247 =", "choices": {"text": ["158", "130", "154", "144"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q3181_3d1d_max3d_mult", "question": "Calculate 868 * 6 =", "choices": {"text": ["5150", "5218", "5266", "5208"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9027_2d3d_max3d_mult", "question": "Calculate 47 * 887 =", "choices": {"text": ["41689", "41699", "42153", "41225"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q9457_5d2d_max5d_div", "question": "Calculate 33592 / 38 =", "choices": {"text": ["884", "876", "892", "894"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q8095_2d3d_max3d_mult", "question": "Calculate 89 * 337 =", "choices": {"text": ["30225", "29761", "29993", "30003"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q9974_3d2d_max3d_mult", "question": "Calculate 219 * 82 =", "choices": {"text": ["16190", "17968", "19726", "17958"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q10168_3d2d_max3d_mult", "question": "Calculate 698 * 76 =", "choices": {"text": ["53058", "53048", "52584", "53512"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q11687_6d3d_max6d_div", "question": "Calculate 717326 / 817 =", "choices": {"text": ["870", "886", "888", "878"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q11058_6d3d_max6d_div", "question": "Calculate 196470 / 590 =", "choices": {"text": ["343", "329", "337", "333"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q4610_1d3d_max3d_mult", "question": "Calculate 7 * 509 =", "choices": {"text": ["3563", "3573", "3534", "3592"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q4750_1d3d_max3d_mult", "question": "Calculate 6 * 248 =", "choices": {"text": ["1473", "1503", "1488", "1498"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q4052_1d3d_max3d_mult", "question": "Calculate 8 * 661 =", "choices": {"text": ["5288", "5346", "5230", "5298"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q3466_4d3d_max4d_div", "question": "Calculate 1796 / 898 =", "choices": {"text": ["2", "1", "12", "3"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q6421_2d2d_max2d_mult", "question": "Calculate 16 * 88 =", "choices": {"text": ["1418", "1423", "1408", "1393"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q4487_4d3d_max4d_div", "question": "Calculate 1824 / 912 =", "choices": {"text": ["3", "12", "2", "1"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q7015_2d2d_max2d_mult", "question": "Calculate 86 * 80 =", "choices": {"text": ["6938", "6880", "6822", "6890"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q11188_3d3d_max3d_mult", "question": "Calculate 914 * 225 =", "choices": {"text": ["207504", "205650", "205660", "203796"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q4262_3d1d_max3d_mult", "question": "Calculate 837 * 6 =", "choices": {"text": ["5032", "4532", "5512", "5022"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q5804_4d2d_max4d_div", "question": "Calculate 2975 / 85 =", "choices": {"text": ["34", "45", "36", "35"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q5046_4d3d_max4d_div", "question": "Calculate 3496 / 437 =", "choices": {"text": ["7", "18", "9", "8"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q12015_3d3d_max3d_mult", "question": "Calculate 635 * 771 =", "choices": {"text": ["489595", "493292", "489585", "485878"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q7734_5d3d_max5d_div", "question": "Calculate 13005 / 867 =", "choices": {"text": ["14", "15", "25", "16"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q12179_5d3d_max5d_div", "question": "Calculate 63070 / 371 =", "choices": {"text": ["170", "172", "168", "180"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q11778_3d3d_max3d_mult", "question": "Calculate 362 * 535 =", "choices": {"text": ["193670", "191816", "195524", "193680"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q9040_5d3d_max5d_div", "question": "Calculate 65648 / 746 =", "choices": {"text": ["89", "98", "88", "87"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q9036_5d3d_max5d_div", "question": "Calculate 30360 / 552 =", "choices": {"text": ["65", "55", "56", "54"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q6515_2d2d_max2d_mult", "question": "Calculate 89 * 45 =", "choices": {"text": ["4005", "3976", "4034", "4015"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q7933_5d2d_max5d_div", "question": "Calculate 30473 / 31 =", "choices": {"text": ["983", "991", "975", "993"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q9378_5d3d_max5d_div", "question": "Calculate 42328 / 572 =", "choices": {"text": ["84", "81", "67", "74"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q12152_3d3d_max3d_mult", "question": "Calculate 729 * 351 =", "choices": {"text": ["255879", "257733", "255889", "254025"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q10707_3d3d_max3d_mult", "question": "Calculate 892 * 631 =", "choices": {"text": ["562862", "562852", "618496", "507208"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q9656_3d2d_max3d_mult", "question": "Calculate 906 * 56 =", "choices": {"text": ["50746", "50272", "50736", "51200"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q12066_6d3d_max6d_div", "question": "Calculate 692709 / 991 =", "choices": {"text": ["699", "707", "691", "709"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q7031_4d2d_max4d_div", "question": "Calculate 4278 / 62 =", "choices": {"text": ["79", "70", "69", "68"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q10581_3d3d_max3d_mult", "question": "Calculate 774 * 450 =", "choices": {"text": ["348310", "344593", "352007", "348300"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q7260_2d2d_max2d_mult", "question": "Calculate 92 * 32 =", "choices": {"text": ["2954", "2915", "2944", "2973"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q6281_4d2d_max4d_div", "question": "Calculate 2574 / 33 =", "choices": {"text": ["71", "88", "85", "78"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q3416_3d1d_max3d_mult", "question": "Calculate 148 * 7 =", "choices": {"text": ["1044", "1046", "1028", "1036"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9565_5d2d_max5d_div", "question": "Calculate 16344 / 24 =", "choices": {"text": ["673", "681", "691", "689"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q8992_3d2d_max3d_mult", "question": "Calculate 959 * 70 =", "choices": {"text": ["67594", "67140", "66666", "67130"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q12398_6d3d_max6d_div", "question": "Calculate 419520 / 608 =", "choices": {"text": ["682", "700", "698", "690"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q8035_2d3d_max3d_mult", "question": "Calculate 39 * 126 =", "choices": {"text": ["4924", "4914", "5404", "4424"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q6600_2d2d_max2d_mult", "question": "Calculate 41 * 52 =", "choices": {"text": ["2132", "2142", "2117", "2147"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q3998_1d3d_max3d_mult", "question": "Calculate 5 * 266 =", "choices": {"text": ["1340", "1330", "1345", "1315"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q12028_3d3d_max3d_mult", "question": "Calculate 192 * 161 =", "choices": {"text": ["30922", "30912", "30680", "31144"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q7851_2d3d_max3d_mult", "question": "Calculate 89 * 270 =", "choices": {"text": ["23798", "24262", "24040", "24030"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9400_3d2d_max3d_mult", "question": "Calculate 188 * 87 =", "choices": {"text": ["16356", "16472", "16240", "16366"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q3512_3d1d_max3d_mult", "question": "Calculate 471 * 5 =", "choices": {"text": ["2365", "2355", "2134", "2576"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q6789_2d2d_max2d_mult", "question": "Calculate 38 * 55 =", "choices": {"text": ["2105", "2090", "2075", "2100"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q10665_3d3d_max3d_mult", "question": "Calculate 520 * 580 =", "choices": {"text": ["301610", "329883", "301600", "273317"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q12086_3d3d_max3d_mult", "question": "Calculate 220 * 586 =", "choices": {"text": ["127993", "128930", "129847", "128920"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q10786_6d3d_max6d_div", "question": "Calculate 180900 / 670 =", "choices": {"text": ["280", "272", "270", "268"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q4059_4d3d_max4d_div", "question": "Calculate 1566 / 261 =", "choices": {"text": ["16", "5", "7", "6"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q12801_3d3d_max3d_mult", "question": "Calculate 588 * 342 =", "choices": {"text": ["201106", "202950", "201096", "199242"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q5581_4d2d_max4d_div", "question": "Calculate 1080 / 18 =", "choices": {"text": ["61", "60", "70", "59"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q11327_6d3d_max6d_div", "question": "Calculate 894056 / 904 =", "choices": {"text": ["997", "989", "981", "999"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q12429_6d3d_max6d_div", "question": "Calculate 226512 / 726 =", "choices": {"text": ["322", "343", "281", "312"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9514_5d3d_max5d_div", "question": "Calculate 25740 / 780 =", "choices": {"text": ["32", "33", "34", "43"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q11812_3d3d_max3d_mult", "question": "Calculate 504 * 564 =", "choices": {"text": ["284266", "312539", "255973", "284256"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q4685_1d3d_max3d_mult", "question": "Calculate 6 * 917 =", "choices": {"text": ["5512", "5502", "5444", "5560"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q3495_1d3d_max3d_mult", "question": "Calculate 9 * 382 =", "choices": {"text": ["3448", "3409", "3438", "3467"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q11003_3d3d_max3d_mult", "question": "Calculate 211 * 826 =", "choices": {"text": ["172432", "176140", "174296", "174286"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9763_2d3d_max3d_mult", "question": "Calculate 27 * 218 =", "choices": {"text": ["5886", "5828", "5944", "5896"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q4886_1d3d_max3d_mult", "question": "Calculate 5 * 705 =", "choices": {"text": ["3525", "3554", "3535", "3496"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q9934_3d2d_max3d_mult", "question": "Calculate 891 * 86 =", "choices": {"text": ["76636", "69555", "76626", "83697"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q5964_4d2d_max4d_div", "question": "Calculate 5859 / 63 =", "choices": {"text": ["92", "93", "103", "94"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q11650_6d3d_max6d_div", "question": "Calculate 436560 / 535 =", "choices": {"text": ["826", "808", "824", "816"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q10862_6d3d_max6d_div", "question": "Calculate 380400 / 951 =", "choices": {"text": ["400", "404", "396", "410"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q6542_4d2d_max4d_div", "question": "Calculate 3185 / 49 =", "choices": {"text": ["65", "64", "66", "75"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q9826_5d3d_max5d_div", "question": "Calculate 13020 / 310 =", "choices": {"text": ["42", "41", "43", "52"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q12079_3d3d_max3d_mult", "question": "Calculate 663 * 418 =", "choices": {"text": ["277144", "275280", "277134", "278988"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q8989_4d2d_max4d_div", "question": "Calculate 4251 / 13 =", "choices": {"text": ["323", "327", "331", "337"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q4710_1d3d_max3d_mult", "question": "Calculate 9 * 197 =", "choices": {"text": ["1758", "1788", "1783", "1773"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q6570_2d2d_max2d_mult", "question": "Calculate 63 * 48 =", "choices": {"text": ["3024", "3034", "3053", "2995"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q7748_5d3d_max5d_div", "question": "Calculate 24840 / 690 =", "choices": {"text": ["35", "37", "36", "46"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q4057_3d1d_max3d_mult", "question": "Calculate 261 * 6 =", "choices": {"text": ["1581", "1576", "1551", "1566"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q10012_5d3d_max5d_div", "question": "Calculate 17836 / 343 =", "choices": {"text": ["51", "52", "62", "53"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q12332_3d3d_max3d_mult", "question": "Calculate 265 * 432 =", "choices": {"text": ["115407", "114490", "114480", "113553"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q6611_2d2d_max2d_mult", "question": "Calculate 99 * 37 =", "choices": {"text": ["3673", "3692", "3634", "3663"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q11923_6d3d_max6d_div", "question": "Calculate 209034 / 474 =", "choices": {"text": ["441", "451", "445", "437"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q10468_5d3d_max5d_div", "question": "Calculate 74015 / 131 =", "choices": {"text": ["575", "565", "509", "621"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q4369_4d3d_max4d_div", "question": "Calculate 4680 / 936 =", "choices": {"text": ["4", "15", "5", "6"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q11658_6d3d_max6d_div", "question": "Calculate 672896 / 896 =", "choices": {"text": ["743", "761", "759", "751"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q10417_3d3d_max3d_mult", "question": "Calculate 800 * 368 =", "choices": {"text": ["294400", "322683", "266117", "294410"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q11981_3d3d_max3d_mult", "question": "Calculate 373 * 878 =", "choices": {"text": ["327494", "296166", "327504", "358822"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q2999_4d3d_max4d_div", "question": "Calculate 3256 / 407 =", "choices": {"text": ["9", "8", "18", "7"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q4381_3d1d_max3d_mult", "question": "Calculate 564 * 4 =", "choices": {"text": ["2266", "2256", "2035", "2477"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q12849_3d3d_max3d_mult", "question": "Calculate 805 * 507 =", "choices": {"text": ["408145", "411842", "404428", "408135"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9094_3d2d_max3d_mult", "question": "Calculate 587 * 83 =", "choices": {"text": ["48731", "48721", "48257", "49185"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q9548_3d2d_max3d_mult", "question": "Calculate 173 * 80 =", "choices": {"text": ["13724", "13850", "13956", "13840"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q8150_3d2d_max3d_mult", "question": "Calculate 449 * 15 =", "choices": {"text": ["6745", "6793", "6677", "6735"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q3448_4d3d_max4d_div", "question": "Calculate 4792 / 599 =", "choices": {"text": ["8", "9", "18", "7"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q8300_3d2d_max3d_mult", "question": "Calculate 707 * 26 =", "choices": {"text": ["18392", "16614", "20150", "18382"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q3520_3d1d_max3d_mult", "question": "Calculate 420 * 6 =", "choices": {"text": ["2765", "2520", "2275", "2530"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q8176_3d2d_max3d_mult", "question": "Calculate 679 * 97 =", "choices": {"text": ["66327", "65873", "65399", "65863"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q11662_3d3d_max3d_mult", "question": "Calculate 339 * 792 =", "choices": {"text": ["268498", "268488", "270342", "266634"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q8123_5d2d_max5d_div", "question": "Calculate 46818 / 81 =", "choices": {"text": ["522", "578", "634", "588"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q7883_5d2d_max5d_div", "question": "Calculate 22232 / 28 =", "choices": {"text": ["794", "786", "802", "804"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q10458_3d3d_max3d_mult", "question": "Calculate 983 * 375 =", "choices": {"text": ["368635", "368625", "372332", "364918"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q9801_2d3d_max3d_mult", "question": "Calculate 69 * 985 =", "choices": {"text": ["67975", "67501", "68429", "67965"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q6786_2d2d_max2d_mult", "question": "Calculate 93 * 99 =", "choices": {"text": ["9207", "9217", "8323", "10091"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q10834_3d3d_max3d_mult", "question": "Calculate 343 * 398 =", "choices": {"text": ["136524", "136514", "137441", "135587"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q9412_5d3d_max5d_div", "question": "Calculate 53692 / 866 =", "choices": {"text": ["61", "63", "62", "72"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q3213_4d1d_max4d_div", "question": "Calculate 3530 / 5 =", "choices": {"text": ["716", "698", "706", "714"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q12213_6d3d_max6d_div", "question": "Calculate 185472 / 576 =", "choices": {"text": ["322", "318", "332", "326"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q3901_3d1d_max3d_mult", "question": "Calculate 568 * 2 =", "choices": {"text": ["1136", "1025", "1247", "1146"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q7348_2d2d_max2d_mult", "question": "Calculate 81 * 16 =", "choices": {"text": ["1306", "1311", "1281", "1296"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q12676_3d3d_max3d_mult", "question": "Calculate 163 * 391 =", "choices": {"text": ["64197", "63743", "63733", "63269"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q5377_2d2d_max2d_mult", "question": "Calculate 19 * 99 =", "choices": {"text": ["1896", "1866", "1881", "1891"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q8728_3d2d_max3d_mult", "question": "Calculate 406 * 77 =", "choices": {"text": ["31494", "31272", "31262", "31030"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q12922_3d3d_max3d_mult", "question": "Calculate 543 * 581 =", "choices": {"text": ["315493", "346811", "315483", "284155"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q10613_3d3d_max3d_mult", "question": "Calculate 439 * 468 =", "choices": {"text": ["203598", "207306", "205462", "205452"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q7450_2d2d_max2d_mult", "question": "Calculate 66 * 18 =", "choices": {"text": ["1198", "1077", "1299", "1188"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q11250_6d3d_max6d_div", "question": "Calculate 100928 / 608 =", "choices": {"text": ["176", "168", "164", "166"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q11318_3d3d_max3d_mult", "question": "Calculate 547 * 848 =", "choices": {"text": ["463866", "463856", "460149", "467563"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q11482_5d3d_max5d_div", "question": "Calculate 31536 / 108 =", "choices": {"text": ["264", "292", "320", "302"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q8781_5d2d_max5d_div", "question": "Calculate 10696 / 14 =", "choices": {"text": ["764", "756", "774", "772"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q8050_3d2d_max3d_mult", "question": "Calculate 379 * 87 =", "choices": {"text": ["32983", "33205", "32741", "32973"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q8142_4d3d_max4d_div", "question": "Calculate 6050 / 275 =", "choices": {"text": ["21", "23", "32", "22"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q6130_2d2d_max2d_mult", "question": "Calculate 71 * 80 =", "choices": {"text": ["5622", "5690", "5680", "5738"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q5921_2d2d_max2d_mult", "question": "Calculate 69 * 19 =", "choices": {"text": ["1321", "1311", "1296", "1326"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q9126_5d3d_max5d_div", "question": "Calculate 11704 / 152 =", "choices": {"text": ["70", "87", "84", "77"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q12454_6d3d_max6d_div", "question": "Calculate 271961 / 631 =", "choices": {"text": ["435", "427", "441", "431"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q7523_4d2d_max4d_div", "question": "Calculate 1320 / 33 =", "choices": {"text": ["39", "50", "40", "41"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q12400_3d3d_max3d_mult", "question": "Calculate 555 * 311 =", "choices": {"text": ["174459", "172615", "172605", "170751"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q10637_3d3d_max3d_mult", "question": "Calculate 274 * 351 =", "choices": {"text": ["96184", "95247", "97101", "96174"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q7262_4d2d_max4d_div", "question": "Calculate 2944 / 92 =", "choices": {"text": ["33", "42", "31", "32"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q7960_3d2d_max3d_mult", "question": "Calculate 673 * 99 =", "choices": {"text": ["67091", "66637", "66163", "66627"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q2919_4d1d_max4d_div", "question": "Calculate 2088 / 6 =", "choices": {"text": ["344", "358", "352", "348"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9864_3d2d_max3d_mult", "question": "Calculate 661 * 11 =", "choices": {"text": ["7213", "7281", "7271", "7329"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q12351_3d3d_max3d_mult", "question": "Calculate 907 * 184 =", "choices": {"text": ["166888", "166898", "168742", "165034"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q3940_1d3d_max3d_mult", "question": "Calculate 3 * 576 =", "choices": {"text": ["1713", "1743", "1738", "1728"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q8510_5d3d_max5d_div", "question": "Calculate 39600 / 880 =", "choices": {"text": ["45", "46", "55", "44"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q4372_1d3d_max3d_mult", "question": "Calculate 9 * 234 =", "choices": {"text": ["2091", "2116", "2106", "2121"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q8077_2d3d_max3d_mult", "question": "Calculate 53 * 437 =", "choices": {"text": ["23393", "23161", "22929", "23171"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q10088_5d3d_max5d_div", "question": "Calculate 19920 / 830 =", "choices": {"text": ["34", "23", "25", "24"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q5530_4d2d_max4d_div", "question": "Calculate 3731 / 41 =", "choices": {"text": ["92", "91", "90", "101"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q10666_3d3d_max3d_mult", "question": "Calculate 580 * 520 =", "choices": {"text": ["273317", "329883", "301610", "301600"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q12668_6d3d_max6d_div", "question": "Calculate 364039 / 533 =", "choices": {"text": ["683", "693", "691", "675"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q9037_2d3d_max3d_mult", "question": "Calculate 88 * 746 =", "choices": {"text": ["66112", "65648", "65658", "65184"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q8631_4d2d_max4d_div", "question": "Calculate 5133 / 29 =", "choices": {"text": ["177", "175", "187", "179"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q8947_2d3d_max3d_mult", "question": "Calculate 76 * 197 =", "choices": {"text": ["15088", "14982", "14856", "14972"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q10425_6d3d_max6d_div", "question": "Calculate 502740 / 588 =", "choices": {"text": ["847", "865", "863", "855"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q5115_3d1d_max3d_mult", "question": "Calculate 160 * 8 =", "choices": {"text": ["1290", "1265", "1295", "1280"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9911_2d3d_max3d_mult", "question": "Calculate 64 * 169 =", "choices": {"text": ["10932", "10826", "10700", "10816"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q6647_2d2d_max2d_mult", "question": "Calculate 90 * 45 =", "choices": {"text": ["4079", "4021", "4050", "4060"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q5859_4d2d_max4d_div", "question": "Calculate 1550 / 62 =", "choices": {"text": ["24", "25", "35", "26"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q11565_5d3d_max5d_div", "question": "Calculate 94250 / 325 =", "choices": {"text": ["318", "290", "262", "300"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q10405_3d3d_max3d_mult", "question": "Calculate 731 * 831 =", "choices": {"text": ["664026", "550896", "607471", "607461"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q2809_3d1d_max3d_mult", "question": "Calculate 546 * 9 =", "choices": {"text": ["5404", "4924", "4424", "4914"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q3888_4d1d_max4d_div", "question": "Calculate 3900 / 6 =", "choices": {"text": ["658", "642", "650", "660"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q7482_4d2d_max4d_div", "question": "Calculate 5704 / 62 =", "choices": {"text": ["102", "91", "93", "92"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q3295_4d3d_max4d_div", "question": "Calculate 1232 / 154 =", "choices": {"text": ["7", "18", "8", "9"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q8261_2d3d_max3d_mult", "question": "Calculate 72 * 895 =", "choices": {"text": ["64450", "64904", "64440", "63976"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q11456_3d3d_max3d_mult", "question": "Calculate 219 * 426 =", "choices": {"text": ["93294", "94221", "92367", "93304"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q6810_2d2d_max2d_mult", "question": "Calculate 77 * 65 =", "choices": {"text": ["5495", "5015", "4515", "5005"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q4642_4d1d_max4d_div", "question": "Calculate 1132 / 2 =", "choices": {"text": ["576", "622", "510", "566"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q5301_2d2d_max2d_mult", "question": "Calculate 26 * 50 =", "choices": {"text": ["1310", "1300", "1285", "1315"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q10482_6d3d_max6d_div", "question": "Calculate 513942 / 599 =", "choices": {"text": ["868", "866", "850", "858"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q11354_6d3d_max6d_div", "question": "Calculate 254720 / 796 =", "choices": {"text": ["320", "324", "330", "316"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q8701_5d2d_max5d_div", "question": "Calculate 10384 / 59 =", "choices": {"text": ["176", "178", "174", "186"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q12315_6d3d_max6d_div", "question": "Calculate 367882 / 838 =", "choices": {"text": ["449", "435", "439", "443"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q12153_6d3d_max6d_div", "question": "Calculate 255879 / 351 =", "choices": {"text": ["737", "729", "739", "721"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q5488_2d2d_max2d_mult", "question": "Calculate 60 * 82 =", "choices": {"text": ["4430", "4930", "5410", "4920"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q6179_2d2d_max2d_mult", "question": "Calculate 72 * 74 =", "choices": {"text": ["5338", "5328", "5386", "5270"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q5093_4d3d_max4d_div", "question": "Calculate 4767 / 681 =", "choices": {"text": ["17", "6", "7", "8"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q6498_4d2d_max4d_div", "question": "Calculate 5828 / 94 =", "choices": {"text": ["62", "61", "72", "63"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q8402_3d2d_max3d_mult", "question": "Calculate 609 * 95 =", "choices": {"text": ["58319", "57855", "57391", "57865"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q12033_6d3d_max6d_div", "question": "Calculate 239144 / 334 =", "choices": {"text": ["724", "708", "716", "726"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q5674_4d2d_max4d_div", "question": "Calculate 2805 / 51 =", "choices": {"text": ["55", "54", "56", "65"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q10726_6d3d_max6d_div", "question": "Calculate 358620 / 417 =", "choices": {"text": ["860", "868", "870", "852"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q10950_3d3d_max3d_mult", "question": "Calculate 345 * 896 =", "choices": {"text": ["337403", "309120", "280837", "309130"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q6874_4d2d_max4d_div", "question": "Calculate 1536 / 16 =", "choices": {"text": ["106", "96", "95", "97"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q5973_2d2d_max2d_mult", "question": "Calculate 46 * 52 =", "choices": {"text": ["2402", "2392", "2171", "2613"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q11883_6d3d_max6d_div", "question": "Calculate 396198 / 506 =", "choices": {"text": ["775", "791", "793", "783"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q5244_4d2d_max4d_div", "question": "Calculate 1554 / 21 =", "choices": {"text": ["84", "74", "81", "67"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q11431_3d3d_max3d_mult", "question": "Calculate 447 * 569 =", "choices": {"text": ["256197", "254353", "254343", "252489"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q11224_3d3d_max3d_mult", "question": "Calculate 972 * 496 =", "choices": {"text": ["482112", "485819", "478405", "482122"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q4836_4d1d_max4d_div", "question": "Calculate 2136 / 8 =", "choices": {"text": ["269", "277", "267", "265"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q3667_1d3d_max3d_mult", "question": "Calculate 4 * 270 =", "choices": {"text": ["1072", "1080", "1088", "1090"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q6929_2d2d_max2d_mult", "question": "Calculate 79 * 52 =", "choices": {"text": ["4108", "4118", "4137", "4079"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q6300_4d2d_max4d_div", "question": "Calculate 1880 / 40 =", "choices": {"text": ["48", "46", "47", "57"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q12115_6d3d_max6d_div", "question": "Calculate 749472 / 888 =", "choices": {"text": ["852", "836", "844", "854"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q8642_5d3d_max5d_div", "question": "Calculate 35432 / 824 =", "choices": {"text": ["43", "53", "44", "42"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q6322_2d2d_max2d_mult", "question": "Calculate 55 * 19 =", "choices": {"text": ["1045", "1037", "1055", "1053"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q9053_5d2d_max5d_div", "question": "Calculate 25671 / 43 =", "choices": {"text": ["653", "597", "607", "541"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q7773_5d2d_max5d_div", "question": "Calculate 39897 / 99 =", "choices": {"text": ["403", "407", "413", "399"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q9490_3d2d_max3d_mult", "question": "Calculate 513 * 34 =", "choices": {"text": ["17452", "15703", "17442", "19181"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q3281_4d1d_max4d_div", "question": "Calculate 3633 / 7 =", "choices": {"text": ["519", "529", "515", "523"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q5396_2d2d_max2d_mult", "question": "Calculate 41 * 27 =", "choices": {"text": ["1117", "998", "1107", "1216"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q12278_3d3d_max3d_mult", "question": "Calculate 626 * 165 =", "choices": {"text": ["103290", "104217", "102363", "103300"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q5828_4d2d_max4d_div", "question": "Calculate 7719 / 83 =", "choices": {"text": ["103", "92", "93", "94"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q9405_5d2d_max5d_div", "question": "Calculate 10491 / 13 =", "choices": {"text": ["807", "799", "817", "815"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q7144_4d2d_max4d_div", "question": "Calculate 2052 / 54 =", "choices": {"text": ["48", "37", "39", "38"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q12618_3d3d_max3d_mult", "question": "Calculate 247 * 144 =", "choices": {"text": ["39104", "35568", "32032", "35578"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q4367_3d1d_max3d_mult", "question": "Calculate 936 * 5 =", "choices": {"text": ["5122", "4238", "4680", "4690"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q11394_3d3d_max3d_mult", "question": "Calculate 559 * 229 =", "choices": {"text": ["127084", "128021", "128938", "128011"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q4702_4d1d_max4d_div", "question": "Calculate 3285 / 9 =", "choices": {"text": ["361", "375", "365", "369"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q9226_5d3d_max5d_div", "question": "Calculate 64101 / 929 =", "choices": {"text": ["70", "68", "79", "69"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q4004_1d3d_max3d_mult", "question": "Calculate 3 * 927 =", "choices": {"text": ["2781", "2791", "2752", "2810"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q3301_4d3d_max4d_div", "question": "Calculate 1736 / 217 =", "choices": {"text": ["9", "7", "8", "18"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q11850_3d3d_max3d_mult", "question": "Calculate 605 * 878 =", "choices": {"text": ["534897", "527483", "531200", "531190"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q8526_5d3d_max5d_div", "question": "Calculate 56943 / 999 =", "choices": {"text": ["58", "57", "56", "67"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q9403_2d3d_max3d_mult", "question": "Calculate 13 * 807 =", "choices": {"text": ["10375", "10491", "10501", "10607"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q6981_2d2d_max2d_mult", "question": "Calculate 14 * 95 =", "choices": {"text": ["1315", "1345", "1340", "1330"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9216_3d2d_max3d_mult", "question": "Calculate 748 * 27 =", "choices": {"text": ["20206", "22154", "18238", "20196"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q11103_3d3d_max3d_mult", "question": "Calculate 594 * 254 =", "choices": {"text": ["165018", "150886", "136734", "150876"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q4929_3d1d_max3d_mult", "question": "Calculate 244 * 8 =", "choices": {"text": ["1967", "1937", "1952", "1962"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q12500_6d3d_max6d_div", "question": "Calculate 377712 / 488 =", "choices": {"text": ["766", "774", "782", "784"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q9940_3d2d_max3d_mult", "question": "Calculate 917 * 84 =", "choices": {"text": ["77038", "69957", "84099", "77028"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9682_5d3d_max5d_div", "question": "Calculate 23688 / 376 =", "choices": {"text": ["62", "63", "64", "73"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q9681_5d2d_max5d_div", "question": "Calculate 23688 / 63 =", "choices": {"text": ["372", "386", "376", "380"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q4707_4d3d_max4d_div", "question": "Calculate 3250 / 650 =", "choices": {"text": ["15", "4", "6", "5"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9804_5d3d_max5d_div", "question": "Calculate 67965 / 985 =", "choices": {"text": ["79", "69", "68", "70"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q9130_5d3d_max5d_div", "question": "Calculate 36704 / 496 =", "choices": {"text": ["74", "84", "67", "81"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q5579_2d2d_max2d_mult", "question": "Calculate 18 * 60 =", "choices": {"text": ["1080", "1088", "1072", "1090"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q5771_2d2d_max2d_mult", "question": "Calculate 98 * 35 =", "choices": {"text": ["3440", "3430", "3401", "3459"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q8287_5d2d_max5d_div", "question": "Calculate 32725 / 85 =", "choices": {"text": ["381", "395", "389", "385"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q8979_2d3d_max3d_mult", "question": "Calculate 43 * 558 =", "choices": {"text": ["24004", "23994", "24226", "23762"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q8458_5d3d_max5d_div", "question": "Calculate 63145 / 865 =", "choices": {"text": ["66", "80", "83", "73"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9830_4d3d_max4d_div", "question": "Calculate 7191 / 141 =", "choices": {"text": ["50", "52", "51", "61"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q6502_2d2d_max2d_mult", "question": "Calculate 80 * 68 =", "choices": {"text": ["5382", "5498", "5440", "5450"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q3272_4d3d_max4d_div", "question": "Calculate 3645 / 405 =", "choices": {"text": ["19", "9", "8", "10"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q11173_6d3d_max6d_div", "question": "Calculate 187910 / 817 =", "choices": {"text": ["230", "240", "228", "232"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q11783_3d3d_max3d_mult", "question": "Calculate 481 * 317 =", "choices": {"text": ["152477", "138335", "152487", "166619"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q4586_4d1d_max4d_div", "question": "Calculate 1645 / 7 =", "choices": {"text": ["235", "245", "237", "233"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q9492_5d3d_max5d_div", "question": "Calculate 17442 / 513 =", "choices": {"text": ["44", "35", "33", "34"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q7053_4d2d_max4d_div", "question": "Calculate 1820 / 65 =", "choices": {"text": ["38", "28", "29", "27"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q8588_3d2d_max3d_mult", "question": "Calculate 695 * 89 =", "choices": {"text": ["61865", "61391", "61855", "62319"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q8365_2d3d_max3d_mult", "question": "Calculate 51 * 551 =", "choices": {"text": ["27869", "28111", "28101", "28333"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q8796_3d2d_max3d_mult", "question": "Calculate 774 * 85 =", "choices": {"text": ["65326", "65790", "65800", "66254"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q2995_4d3d_max4d_div", "question": "Calculate 1378 / 689 =", "choices": {"text": ["3", "12", "2", "1"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q12767_5d3d_max5d_div", "question": "Calculate 79001 / 103 =", "choices": {"text": ["777", "767", "775", "759"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q3392_4d3d_max4d_div", "question": "Calculate 5355 / 595 =", "choices": {"text": ["8", "10", "19", "9"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q3324_4d3d_max4d_div", "question": "Calculate 2658 / 886 =", "choices": {"text": ["3", "2", "13", "4"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q3341_1d3d_max3d_mult", "question": "Calculate 6 * 473 =", "choices": {"text": ["2867", "2809", "2838", "2848"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q10873_6d3d_max6d_div", "question": "Calculate 667360 / 776 =", "choices": {"text": ["868", "870", "852", "860"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q10577_3d3d_max3d_mult", "question": "Calculate 396 * 802 =", "choices": {"text": ["286264", "348920", "317592", "317602"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q4015_4d3d_max4d_div", "question": "Calculate 4048 / 506 =", "choices": {"text": ["7", "8", "18", "9"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q6497_2d2d_max2d_mult", "question": "Calculate 62 * 94 =", "choices": {"text": ["5838", "5770", "5828", "5886"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q5230_2d2d_max2d_mult", "question": "Calculate 46 * 95 =", "choices": {"text": ["4380", "3935", "4370", "4805"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q5750_4d2d_max4d_div", "question": "Calculate 1584 / 18 =", "choices": {"text": ["87", "89", "98", "88"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9173_5d2d_max5d_div", "question": "Calculate 36960 / 84 =", "choices": {"text": ["444", "440", "436", "450"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q13052_3d3d_max3d_mult", "question": "Calculate 321 * 906 =", "choices": {"text": ["262543", "319109", "290826", "290836"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q8920_3d2d_max3d_mult", "question": "Calculate 492 * 75 =", "choices": {"text": ["33364", "40436", "36910", "36900"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q5117_4d3d_max4d_div", "question": "Calculate 1280 / 160 =", "choices": {"text": ["8", "18", "7", "9"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q10480_3d3d_max3d_mult", "question": "Calculate 599 * 858 =", "choices": {"text": ["517649", "513952", "510235", "513942"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q10734_3d3d_max3d_mult", "question": "Calculate 951 * 475 =", "choices": {"text": ["451735", "451725", "448018", "455432"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q5018_4d3d_max4d_div", "question": "Calculate 1085 / 217 =", "choices": {"text": ["15", "6", "4", "5"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q10615_6d3d_max6d_div", "question": "Calculate 205452 / 439 =", "choices": {"text": ["472", "478", "464", "468"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q4333_3d1d_max3d_mult", "question": "Calculate 706 * 4 =", "choices": {"text": ["2853", "2795", "2834", "2824"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q2842_1d3d_max3d_mult", "question": "Calculate 4 * 574 =", "choices": {"text": ["2517", "2075", "2306", "2296"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q10106_3d2d_max3d_mult", "question": "Calculate 720 * 64 =", "choices": {"text": ["45616", "46080", "46544", "46090"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q10648_3d3d_max3d_mult", "question": "Calculate 622 * 312 =", "choices": {"text": ["194074", "192210", "194064", "195918"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q7251_4d2d_max4d_div", "question": "Calculate 4088 / 56 =", "choices": {"text": ["73", "66", "83", "80"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q11545_6d3d_max6d_div", "question": "Calculate 194856 / 353 =", "choices": {"text": ["552", "497", "607", "562"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q5770_2d2d_max2d_mult", "question": "Calculate 35 * 98 =", "choices": {"text": ["3401", "3459", "3440", "3430"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q2675_1d3d_max3d_mult", "question": "Calculate 8 * 295 =", "choices": {"text": ["2581", "2139", "2370", "2360"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q2854_1d3d_max3d_mult", "question": "Calculate 5 * 393 =", "choices": {"text": ["1980", "1950", "1975", "1965"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q5646_4d2d_max4d_div", "question": "Calculate 1375 / 55 =", "choices": {"text": ["25", "24", "35", "26"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q12784_6d3d_max6d_div", "question": "Calculate 145290 / 835 =", "choices": {"text": ["184", "176", "172", "174"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q12029_5d3d_max5d_div", "question": "Calculate 30912 / 161 =", "choices": {"text": ["194", "202", "190", "192"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9351_4d2d_max4d_div", "question": "Calculate 4200 / 24 =", "choices": {"text": ["185", "173", "175", "177"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q11928_6d3d_max6d_div", "question": "Calculate 661664 / 992 =", "choices": {"text": ["675", "659", "677", "667"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q8124_5d3d_max5d_div", "question": "Calculate 46818 / 578 =", "choices": {"text": ["80", "91", "82", "81"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q12521_6d3d_max6d_div", "question": "Calculate 142324 / 884 =", "choices": {"text": ["159", "161", "171", "163"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q5522_4d2d_max4d_div", "question": "Calculate 2278 / 34 =", "choices": {"text": ["66", "67", "77", "68"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q10941_6d3d_max6d_div", "question": "Calculate 115192 / 238 =", "choices": {"text": ["484", "480", "494", "488"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q7897_5d2d_max5d_div", "question": "Calculate 38115 / 77 =", "choices": {"text": ["495", "505", "499", "491"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q12836_3d3d_max3d_mult", "question": "Calculate 869 * 230 =", "choices": {"text": ["201724", "199880", "199870", "198016"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q12619_5d3d_max5d_div", "question": "Calculate 35568 / 144 =", "choices": {"text": ["247", "257", "249", "245"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q2866_4d1d_max4d_div", "question": "Calculate 2544 / 4 =", "choices": {"text": ["636", "646", "574", "698"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q9881_5d2d_max5d_div", "question": "Calculate 22680 / 40 =", "choices": {"text": ["577", "623", "511", "567"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q12231_6d3d_max6d_div", "question": "Calculate 162750 / 465 =", "choices": {"text": ["360", "350", "354", "346"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q8089_5d2d_max5d_div", "question": "Calculate 54741 / 71 =", "choices": {"text": ["781", "763", "779", "771"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q4703_4d3d_max4d_div", "question": "Calculate 3285 / 365 =", "choices": {"text": ["9", "19", "8", "10"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q10531_3d3d_max3d_mult", "question": "Calculate 797 * 618 =", "choices": {"text": ["488839", "492556", "492546", "496253"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q11755_3d3d_max3d_mult", "question": "Calculate 896 * 881 =", "choices": {"text": ["789376", "796789", "781963", "789386"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q11611_3d3d_max3d_mult", "question": "Calculate 548 * 526 =", "choices": {"text": ["259965", "288258", "288248", "316531"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q6581_4d2d_max4d_div", "question": "Calculate 1876 / 28 =", "choices": {"text": ["66", "68", "77", "67"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q6217_2d2d_max2d_mult", "question": "Calculate 21 * 77 =", "choices": {"text": ["1627", "1617", "1632", "1602"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q5161_4d3d_max4d_div", "question": "Calculate 4644 / 774 =", "choices": {"text": ["6", "16", "7", "5"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q12779_6d3d_max6d_div", "question": "Calculate 281302 / 283 =", "choices": {"text": ["1002", "986", "1004", "994"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q3935_4d3d_max4d_div", "question": "Calculate 1866 / 622 =", "choices": {"text": ["3", "2", "13", "4"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q4383_4d3d_max4d_div", "question": "Calculate 2256 / 564 =", "choices": {"text": ["5", "14", "4", "3"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q3347_4d1d_max4d_div", "question": "Calculate 2856 / 3 =", "choices": {"text": ["960", "952", "962", "944"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q3092_4d1d_max4d_div", "question": "Calculate 1352 / 8 =", "choices": {"text": ["179", "167", "171", "169"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q2861_3d1d_max3d_mult", "question": "Calculate 982 * 5 =", "choices": {"text": ["4920", "4910", "5400", "4420"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q5427_4d2d_max4d_div", "question": "Calculate 1078 / 14 =", "choices": {"text": ["84", "70", "77", "87"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q10374_6d3d_max6d_div", "question": "Calculate 274227 / 849 =", "choices": {"text": ["319", "327", "323", "333"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q4380_1d3d_max3d_mult", "question": "Calculate 4 * 564 =", "choices": {"text": ["2035", "2256", "2266", "2477"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q7924_3d2d_max3d_mult", "question": "Calculate 651 * 39 =", "choices": {"text": ["25399", "25157", "25389", "25621"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q11572_3d3d_max3d_mult", "question": "Calculate 133 * 172 =", "choices": {"text": ["23108", "22886", "22876", "22644"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q12240_5d3d_max5d_div", "question": "Calculate 81760 / 511 =", "choices": {"text": ["160", "162", "170", "158"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q10570_6d3d_max6d_div", "question": "Calculate 453080 / 940 =", "choices": {"text": ["478", "482", "486", "492"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q9187_5d2d_max5d_div", "question": "Calculate 40320 / 48 =", "choices": {"text": ["832", "848", "850", "840"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q12795_3d3d_max3d_mult", "question": "Calculate 818 * 600 =", "choices": {"text": ["487093", "490800", "490810", "494507"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q8705_2d3d_max3d_mult", "question": "Calculate 16 * 159 =", "choices": {"text": ["2554", "2299", "2789", "2544"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q10931_6d3d_max6d_div", "question": "Calculate 483483 / 759 =", "choices": {"text": ["699", "637", "575", "647"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q7961_5d2d_max5d_div", "question": "Calculate 66627 / 99 =", "choices": {"text": ["673", "665", "683", "681"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q3806_4d1d_max4d_div", "question": "Calculate 6039 / 9 =", "choices": {"text": ["679", "671", "681", "663"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q7788_4d3d_max4d_div", "question": "Calculate 5490 / 122 =", "choices": {"text": ["46", "45", "55", "44"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q9017_2d3d_max3d_mult", "question": "Calculate 85 * 564 =", "choices": {"text": ["47476", "47940", "48404", "47950"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q11277_5d3d_max5d_div", "question": "Calculate 92414 / 322 =", "choices": {"text": ["259", "297", "315", "287"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9713_4d2d_max4d_div", "question": "Calculate 8250 / 25 =", "choices": {"text": ["330", "334", "326", "340"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q10139_5d2d_max5d_div", "question": "Calculate 54485 / 85 =", "choices": {"text": ["633", "649", "641", "651"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q11474_6d3d_max6d_div", "question": "Calculate 324060 / 491 =", "choices": {"text": ["668", "670", "660", "652"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q6901_2d2d_max2d_mult", "question": "Calculate 52 * 37 =", "choices": {"text": ["1909", "1924", "1939", "1934"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q12301_3d3d_max3d_mult", "question": "Calculate 821 * 787 =", "choices": {"text": ["646127", "708782", "646137", "583472"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q9746_5d3d_max5d_div", "question": "Calculate 88658 / 914 =", "choices": {"text": ["98", "107", "97", "96"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q9101_5d2d_max5d_div", "question": "Calculate 43152 / 62 =", "choices": {"text": ["706", "688", "704", "696"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q12916_3d3d_max3d_mult", "question": "Calculate 172 * 306 =", "choices": {"text": ["53096", "52168", "52642", "52632"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q7064_4d2d_max4d_div", "question": "Calculate 1540 / 44 =", "choices": {"text": ["34", "45", "35", "36"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q6699_2d2d_max2d_mult", "question": "Calculate 80 * 16 =", "choices": {"text": ["1290", "1295", "1280", "1265"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q6403_4d2d_max4d_div", "question": "Calculate 4611 / 87 =", "choices": {"text": ["53", "54", "52", "63"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q11849_3d3d_max3d_mult", "question": "Calculate 878 * 605 =", "choices": {"text": ["531200", "527483", "531190", "534897"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q10841_6d3d_max6d_div", "question": "Calculate 104810 / 470 =", "choices": {"text": ["223", "225", "233", "221"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q10833_3d3d_max3d_mult", "question": "Calculate 398 * 343 =", "choices": {"text": ["136514", "137441", "135587", "136524"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q3521_4d1d_max4d_div", "question": "Calculate 2520 / 6 =", "choices": {"text": ["430", "420", "416", "424"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q7312_2d2d_max2d_mult", "question": "Calculate 23 * 76 =", "choices": {"text": ["1758", "1733", "1763", "1748"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q3055_4d3d_max4d_div", "question": "Calculate 2694 / 898 =", "choices": {"text": ["4", "3", "2", "13"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q4030_1d3d_max3d_mult", "question": "Calculate 9 * 946 =", "choices": {"text": ["8524", "8514", "8456", "8572"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q9583_2d3d_max3d_mult", "question": "Calculate 93 * 107 =", "choices": {"text": ["8972", "10930", "9951", "9961"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q12951_3d3d_max3d_mult", "question": "Calculate 405 * 117 =", "choices": {"text": ["47849", "47385", "46921", "47395"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q8276_5d3d_max5d_div", "question": "Calculate 22050 / 350 =", "choices": {"text": ["62", "73", "63", "64"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q9879_2d3d_max3d_mult", "question": "Calculate 40 * 567 =", "choices": {"text": ["22448", "22680", "22912", "22690"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q12413_5d3d_max5d_div", "question": "Calculate 88740 / 261 =", "choices": {"text": ["344", "336", "340", "350"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q9769_5d2d_max5d_div", "question": "Calculate 30624 / 48 =", "choices": {"text": ["648", "576", "638", "700"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q9645_5d2d_max5d_div", "question": "Calculate 54275 / 65 =", "choices": {"text": ["835", "843", "827", "845"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q8706_3d2d_max3d_mult", "question": "Calculate 159 * 16 =", "choices": {"text": ["2554", "2789", "2299", "2544"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9047_2d3d_max3d_mult", "question": "Calculate 78 * 812 =", "choices": {"text": ["62872", "63336", "63346", "63800"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q11711_3d3d_max3d_mult", "question": "Calculate 829 * 651 =", "choices": {"text": ["539679", "543386", "535972", "539689"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q9846_5d3d_max5d_div", "question": "Calculate 20301 / 303 =", "choices": {"text": ["68", "77", "66", "67"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q11081_3d3d_max3d_mult", "question": "Calculate 269 * 392 =", "choices": {"text": ["105448", "105458", "104521", "106375"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q6318_4d2d_max4d_div", "question": "Calculate 3760 / 40 =", "choices": {"text": ["93", "95", "104", "94"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q2824_1d3d_max3d_mult", "question": "Calculate 4 * 730 =", "choices": {"text": ["2920", "2949", "2891", "2930"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q3382_4d3d_max4d_div", "question": "Calculate 6948 / 772 =", "choices": {"text": ["9", "8", "19", "10"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q7920_5d3d_max5d_div", "question": "Calculate 11800 / 236 =", "choices": {"text": ["49", "51", "50", "60"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q4374_4d1d_max4d_div", "question": "Calculate 2106 / 9 =", "choices": {"text": ["234", "232", "236", "244"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q8976_4d3d_max4d_div", "question": "Calculate 3390 / 113 =", "choices": {"text": ["31", "29", "40", "30"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q6317_2d2d_max2d_mult", "question": "Calculate 94 * 40 =", "choices": {"text": ["3731", "3789", "3770", "3760"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q4241_1d3d_max3d_mult", "question": "Calculate 9 * 258 =", "choices": {"text": ["2101", "2322", "2543", "2332"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q3299_3d1d_max3d_mult", "question": "Calculate 217 * 8 =", "choices": {"text": ["1721", "1746", "1751", "1736"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q12211_3d3d_max3d_mult", "question": "Calculate 576 * 322 =", "choices": {"text": ["183618", "187326", "185472", "185482"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q9460_3d2d_max3d_mult", "question": "Calculate 677 * 28 =", "choices": {"text": ["18956", "18966", "20724", "17188"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q9912_3d2d_max3d_mult", "question": "Calculate 169 * 64 =", "choices": {"text": ["10826", "10932", "10816", "10700"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q5208_2d2d_max2d_mult", "question": "Calculate 42 * 93 =", "choices": {"text": ["3877", "3916", "3935", "3906"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9093_2d3d_max3d_mult", "question": "Calculate 83 * 587 =", "choices": {"text": ["49185", "48731", "48257", "48721"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q11599_6d3d_max6d_div", "question": "Calculate 341783 / 793 =", "choices": {"text": ["441", "427", "435", "431"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q10701_6d3d_max6d_div", "question": "Calculate 195488 / 656 =", "choices": {"text": ["270", "308", "298", "326"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q3917_4d3d_max4d_div", "question": "Calculate 5841 / 649 =", "choices": {"text": ["19", "9", "8", "10"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q3869_4d3d_max4d_div", "question": "Calculate 1596 / 532 =", "choices": {"text": ["2", "3", "13", "4"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q5787_2d2d_max2d_mult", "question": "Calculate 35 * 96 =", "choices": {"text": ["3331", "3360", "3370", "3389"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q8382_5d3d_max5d_div", "question": "Calculate 15376 / 496 =", "choices": {"text": ["30", "31", "32", "41"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q8316_5d3d_max5d_div", "question": "Calculate 26068 / 686 =", "choices": {"text": ["48", "38", "39", "37"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q5433_2d2d_max2d_mult", "question": "Calculate 29 * 82 =", "choices": {"text": ["2599", "2157", "2378", "2388"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q7610_2d2d_max2d_mult", "question": "Calculate 75 * 15 =", "choices": {"text": ["1125", "1135", "1236", "1014"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q3460_3d1d_max3d_mult", "question": "Calculate 400 * 9 =", "choices": {"text": ["3629", "3610", "3571", "3600"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q8264_5d3d_max5d_div", "question": "Calculate 64440 / 895 =", "choices": {"text": ["65", "79", "82", "72"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q8299_2d3d_max3d_mult", "question": "Calculate 26 * 707 =", "choices": {"text": ["16614", "18382", "18392", "20150"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q11881_3d3d_max3d_mult", "question": "Calculate 506 * 783 =", "choices": {"text": ["392491", "396198", "396208", "399905"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q7965_2d3d_max3d_mult", "question": "Calculate 65 * 614 =", "choices": {"text": ["39910", "35994", "43826", "39920"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q10018_3d2d_max3d_mult", "question": "Calculate 777 * 33 =", "choices": {"text": ["25409", "25873", "25641", "25651"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q8051_5d2d_max5d_div", "question": "Calculate 32973 / 87 =", "choices": {"text": ["379", "389", "383", "375"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q10352_3d2d_max3d_mult", "question": "Calculate 297 * 46 =", "choices": {"text": ["13778", "13662", "13672", "13546"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q11189_6d3d_max6d_div", "question": "Calculate 205650 / 225 =", "choices": {"text": ["914", "906", "924", "922"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q8196_3d2d_max3d_mult", "question": "Calculate 461 * 27 =", "choices": {"text": ["12331", "12457", "12447", "12563"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q5116_4d1d_max4d_div", "question": "Calculate 1280 / 8 =", "choices": {"text": ["158", "160", "162", "170"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q4894_1d3d_max3d_mult", "question": "Calculate 6 * 218 =", "choices": {"text": ["1323", "1308", "1293", "1318"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q10683_3d3d_max3d_mult", "question": "Calculate 975 * 958 =", "choices": {"text": ["934050", "941463", "934060", "926637"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q8964_5d3d_max5d_div", "question": "Calculate 10244 / 394 =", "choices": {"text": ["25", "27", "36", "26"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q6157_4d2d_max4d_div", "question": "Calculate 1820 / 26 =", "choices": {"text": ["70", "63", "80", "77"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q12721_6d3d_max6d_div", "question": "Calculate 900620 / 980 =", "choices": {"text": ["929", "927", "911", "919"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9754_5d3d_max5d_div", "question": "Calculate 40934 / 422 =", "choices": {"text": ["96", "98", "97", "107"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q12731_3d3d_max3d_mult", "question": "Calculate 216 * 820 =", "choices": {"text": ["175266", "177130", "177120", "178974"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q12352_3d3d_max3d_mult", "question": "Calculate 184 * 907 =", "choices": {"text": ["166898", "168742", "166888", "165034"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q3601_4d3d_max4d_div", "question": "Calculate 1710 / 190 =", "choices": {"text": ["19", "10", "8", "9"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q12656_3d3d_max3d_mult", "question": "Calculate 902 * 346 =", "choices": {"text": ["312102", "312092", "283809", "340375"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q8377_5d2d_max5d_div", "question": "Calculate 11988 / 18 =", "choices": {"text": ["658", "674", "666", "676"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q4643_4d3d_max4d_div", "question": "Calculate 1132 / 566 =", "choices": {"text": ["3", "1", "2", "12"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q11488_3d3d_max3d_mult", "question": "Calculate 766 * 548 =", "choices": {"text": ["419768", "419778", "416061", "423475"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q13018_6d3d_max6d_div", "question": "Calculate 824165 / 863 =", "choices": {"text": ["947", "955", "965", "963"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q5248_4d2d_max4d_div", "question": "Calculate 5590 / 86 =", "choices": {"text": ["66", "75", "65", "64"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q10329_2d3d_max3d_mult", "question": "Calculate 16 * 564 =", "choices": {"text": ["8140", "9024", "9034", "9908"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q8772_3d2d_max3d_mult", "question": "Calculate 560 * 76 =", "choices": {"text": ["42096", "43024", "42560", "42570"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q8664_3d2d_max3d_mult", "question": "Calculate 403 * 12 =", "choices": {"text": ["4836", "4846", "5278", "4394"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q12264_6d3d_max6d_div", "question": "Calculate 413217 / 937 =", "choices": {"text": ["445", "441", "437", "451"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q11597_3d3d_max3d_mult", "question": "Calculate 793 * 431 =", "choices": {"text": ["341783", "341793", "345490", "338076"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q5193_4d2d_max4d_div", "question": "Calculate 5824 / 64 =", "choices": {"text": ["91", "101", "92", "90"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q13031_5d3d_max5d_div", "question": "Calculate 48276 / 108 =", "choices": {"text": ["457", "447", "443", "451"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q7065_4d2d_max4d_div", "question": "Calculate 1540 / 35 =", "choices": {"text": ["44", "54", "45", "43"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q5738_2d2d_max2d_mult", "question": "Calculate 81 * 49 =", "choices": {"text": ["3969", "3998", "3979", "3940"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q10855_3d3d_max3d_mult", "question": "Calculate 241 * 675 =", "choices": {"text": ["162675", "162685", "147011", "178339"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q12479_3d3d_max3d_mult", "question": "Calculate 607 * 101 =", "choices": {"text": ["61307", "60843", "61317", "61771"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q8100_3d2d_max3d_mult", "question": "Calculate 804 * 67 =", "choices": {"text": ["53868", "53878", "53404", "54332"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q4977_4d1d_max4d_div", "question": "Calculate 3402 / 6 =", "choices": {"text": ["577", "623", "567", "511"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q11470_6d3d_max6d_div", "question": "Calculate 200232 / 824 =", "choices": {"text": ["243", "241", "253", "245"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q4674_4d3d_max4d_div", "question": "Calculate 4236 / 706 =", "choices": {"text": ["6", "16", "5", "7"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q10625_3d3d_max3d_mult", "question": "Calculate 211 * 246 =", "choices": {"text": ["51442", "52370", "51906", "51916"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q8854_4d3d_max4d_div", "question": "Calculate 4200 / 140 =", "choices": {"text": ["30", "31", "29", "40"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q6961_4d2d_max4d_div", "question": "Calculate 3588 / 92 =", "choices": {"text": ["40", "39", "38", "49"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q12524_3d3d_max3d_mult", "question": "Calculate 741 * 130 =", "choices": {"text": ["95403", "96340", "96330", "97257"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q9639_4d2d_max4d_div", "question": "Calculate 1463 / 11 =", "choices": {"text": ["143", "134", "133", "132"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q6504_4d2d_max4d_div", "question": "Calculate 5440 / 80 =", "choices": {"text": ["67", "68", "69", "78"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q6186_4d2d_max4d_div", "question": "Calculate 3618 / 54 =", "choices": {"text": ["68", "67", "77", "66"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q11401_3d3d_max3d_mult", "question": "Calculate 730 * 798 =", "choices": {"text": ["525975", "639105", "582540", "582550"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q10358_4d3d_max4d_div", "question": "Calculate 8450 / 325 =", "choices": {"text": ["27", "25", "36", "26"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q10185_5d2d_max5d_div", "question": "Calculate 14366 / 22 =", "choices": {"text": ["661", "663", "645", "653"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q6414_4d2d_max4d_div", "question": "Calculate 5760 / 60 =", "choices": {"text": ["96", "95", "106", "97"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q4745_3d1d_max3d_mult", "question": "Calculate 716 * 9 =", "choices": {"text": ["6444", "6454", "6386", "6502"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q12481_5d3d_max5d_div", "question": "Calculate 61307 / 607 =", "choices": {"text": ["101", "111", "100", "102"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q9402_5d3d_max5d_div", "question": "Calculate 16356 / 188 =", "choices": {"text": ["87", "88", "86", "97"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q8714_5d3d_max5d_div", "question": "Calculate 32296 / 367 =", "choices": {"text": ["88", "87", "89", "98"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q8736_3d2d_max3d_mult", "question": "Calculate 902 * 45 =", "choices": {"text": ["36674", "40590", "40600", "44506"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q7359_2d2d_max2d_mult", "question": "Calculate 38 * 66 =", "choices": {"text": ["2508", "2753", "2263", "2518"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q10457_3d3d_max3d_mult", "question": "Calculate 375 * 983 =", "choices": {"text": ["368625", "368635", "372332", "364918"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q11417_6d3d_max6d_div", "question": "Calculate 127512 / 924 =", "choices": {"text": ["138", "137", "139", "148"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q7181_4d2d_max4d_div", "question": "Calculate 5412 / 66 =", "choices": {"text": ["82", "81", "83", "92"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q3821_4d3d_max4d_div", "question": "Calculate 2880 / 720 =", "choices": {"text": ["3", "14", "5", "4"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q3121_3d1d_max3d_mult", "question": "Calculate 243 * 6 =", "choices": {"text": ["1458", "1468", "1473", "1443"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q12113_3d3d_max3d_mult", "question": "Calculate 888 * 844 =", "choices": {"text": ["749482", "756885", "742059", "749472"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9048_3d2d_max3d_mult", "question": "Calculate 812 * 78 =", "choices": {"text": ["63336", "63346", "63800", "62872"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q8038_4d3d_max4d_div", "question": "Calculate 4914 / 126 =", "choices": {"text": ["38", "40", "49", "39"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q4161_4d3d_max4d_div", "question": "Calculate 2928 / 366 =", "choices": {"text": ["8", "7", "9", "18"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q5429_2d2d_max2d_mult", "question": "Calculate 78 * 23 =", "choices": {"text": ["1794", "1809", "1804", "1779"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q3724_1d3d_max3d_mult", "question": "Calculate 9 * 473 =", "choices": {"text": ["4257", "4267", "4228", "4286"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q10310_5d3d_max5d_div", "question": "Calculate 47397 / 777 =", "choices": {"text": ["60", "61", "71", "62"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q3604_1d3d_max3d_mult", "question": "Calculate 3 * 627 =", "choices": {"text": ["1891", "1866", "1881", "1896"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q7918_3d2d_max3d_mult", "question": "Calculate 236 * 50 =", "choices": {"text": ["11810", "11684", "11800", "11916"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q5779_2d2d_max2d_mult", "question": "Calculate 72 * 40 =", "choices": {"text": ["2851", "2880", "2909", "2890"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q6769_4d2d_max4d_div", "question": "Calculate 2622 / 38 =", "choices": {"text": ["69", "70", "79", "68"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q12249_6d3d_max6d_div", "question": "Calculate 222600 / 420 =", "choices": {"text": ["540", "534", "526", "530"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q7301_4d2d_max4d_div", "question": "Calculate 5915 / 65 =", "choices": {"text": ["101", "91", "92", "90"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q10684_3d3d_max3d_mult", "question": "Calculate 958 * 975 =", "choices": {"text": ["934060", "934050", "926637", "941463"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q7428_2d2d_max2d_mult", "question": "Calculate 89 * 92 =", "choices": {"text": ["8246", "8198", "8188", "8130"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q8579_2d3d_max3d_mult", "question": "Calculate 64 * 544 =", "choices": {"text": ["34826", "38294", "34816", "31338"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q4267_4d1d_max4d_div", "question": "Calculate 3249 / 9 =", "choices": {"text": ["365", "371", "361", "357"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q9234_3d2d_max3d_mult", "question": "Calculate 771 * 37 =", "choices": {"text": ["28537", "28527", "28759", "28295"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q3818_1d3d_max3d_mult", "question": "Calculate 4 * 720 =", "choices": {"text": ["2909", "2890", "2851", "2880"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q11813_6d3d_max6d_div", "question": "Calculate 284256 / 564 =", "choices": {"text": ["504", "514", "508", "500"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q10710_6d3d_max6d_div", "question": "Calculate 562852 / 631 =", "choices": {"text": ["902", "884", "900", "892"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q10194_5d3d_max5d_div", "question": "Calculate 10332 / 126 =", "choices": {"text": ["82", "81", "83", "92"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q6556_4d2d_max4d_div", "question": "Calculate 3075 / 41 =", "choices": {"text": ["68", "75", "82", "85"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q11663_6d3d_max6d_div", "question": "Calculate 268488 / 792 =", "choices": {"text": ["343", "335", "349", "339"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q10574_3d3d_max3d_mult", "question": "Calculate 592 * 289 =", "choices": {"text": ["172942", "171088", "171098", "169234"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q4942_4d1d_max4d_div", "question": "Calculate 2007 / 3 =", "choices": {"text": ["661", "677", "679", "669"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q12780_6d3d_max6d_div", "question": "Calculate 281302 / 994 =", "choices": {"text": ["255", "293", "311", "283"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q2940_4d3d_max4d_div", "question": "Calculate 1974 / 329 =", "choices": {"text": ["5", "16", "6", "7"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q3820_4d1d_max4d_div", "question": "Calculate 2880 / 4 =", "choices": {"text": ["712", "728", "730", "720"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q7092_4d2d_max4d_div", "question": "Calculate 5767 / 79 =", "choices": {"text": ["80", "83", "73", "66"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q10475_3d3d_max3d_mult", "question": "Calculate 800 * 741 =", "choices": {"text": ["592810", "649365", "592800", "536235"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q10642_3d3d_max3d_mult", "question": "Calculate 840 * 860 =", "choices": {"text": ["714987", "729813", "722400", "722410"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q3383_1d3d_max3d_mult", "question": "Calculate 6 * 217 =", "choices": {"text": ["1302", "1317", "1312", "1287"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q11600_6d3d_max6d_div", "question": "Calculate 341783 / 431 =", "choices": {"text": ["803", "785", "801", "793"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q3798_4d1d_max4d_div", "question": "Calculate 6209 / 7 =", "choices": {"text": ["879", "887", "895", "897"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q4711_3d1d_max3d_mult", "question": "Calculate 197 * 9 =", "choices": {"text": ["1758", "1773", "1788", "1783"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q7143_4d2d_max4d_div", "question": "Calculate 2052 / 38 =", "choices": {"text": ["54", "64", "53", "55"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q11109_6d3d_max6d_div", "question": "Calculate 122550 / 645 =", "choices": {"text": ["200", "192", "188", "190"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q8083_5d2d_max5d_div", "question": "Calculate 10965 / 17 =", "choices": {"text": ["653", "645", "637", "655"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q11437_3d3d_max3d_mult", "question": "Calculate 927 * 184 =", "choices": {"text": ["172422", "170568", "170578", "168714"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q8211_2d3d_max3d_mult", "question": "Calculate 40 * 395 =", "choices": {"text": ["15684", "15800", "15916", "15810"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q10915_6d3d_max6d_div", "question": "Calculate 420000 / 875 =", "choices": {"text": ["490", "480", "476", "484"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q3028_1d3d_max3d_mult", "question": "Calculate 9 * 769 =", "choices": {"text": ["6863", "6979", "6921", "6931"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q4925_4d3d_max4d_div", "question": "Calculate 7803 / 867 =", "choices": {"text": ["19", "10", "8", "9"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q4441_4d3d_max4d_div", "question": "Calculate 1400 / 280 =", "choices": {"text": ["5", "15", "4", "6"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q5044_3d1d_max3d_mult", "question": "Calculate 437 * 8 =", "choices": {"text": ["3496", "3525", "3467", "3506"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q3950_1d3d_max3d_mult", "question": "Calculate 5 * 618 =", "choices": {"text": ["3090", "3119", "3100", "3061"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q8102_5d3d_max5d_div", "question": "Calculate 53868 / 804 =", "choices": {"text": ["68", "66", "67", "77"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q4007_4d3d_max4d_div", "question": "Calculate 2781 / 927 =", "choices": {"text": ["2", "3", "4", "13"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q11949_3d3d_max3d_mult", "question": "Calculate 141 * 236 =", "choices": {"text": ["33044", "33276", "33286", "33508"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q12195_6d3d_max6d_div", "question": "Calculate 254250 / 375 =", "choices": {"text": ["686", "678", "688", "670"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q12225_3d3d_max3d_mult", "question": "Calculate 426 * 271 =", "choices": {"text": ["115456", "114519", "116373", "115446"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q10064_5d3d_max5d_div", "question": "Calculate 64575 / 861 =", "choices": {"text": ["85", "75", "82", "68"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q10322_5d3d_max5d_div", "question": "Calculate 75696 / 912 =", "choices": {"text": ["83", "84", "82", "93"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q8068_3d2d_max3d_mult", "question": "Calculate 389 * 21 =", "choices": {"text": ["8179", "8227", "8169", "8111"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q5424_2d2d_max2d_mult", "question": "Calculate 77 * 14 =", "choices": {"text": ["1078", "1088", "1070", "1086"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q11004_3d3d_max3d_mult", "question": "Calculate 826 * 211 =", "choices": {"text": ["172432", "174296", "176140", "174286"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q12775_6d3d_max6d_div", "question": "Calculate 193118 / 866 =", "choices": {"text": ["233", "225", "221", "223"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q11793_3d3d_max3d_mult", "question": "Calculate 659 * 137 =", "choices": {"text": ["91210", "90283", "89356", "90293"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q11553_6d3d_max6d_div", "question": "Calculate 150066 / 378 =", "choices": {"text": ["397", "393", "401", "407"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q9005_2d3d_max3d_mult", "question": "Calculate 15 * 457 =", "choices": {"text": ["6913", "6855", "6865", "6797"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q9506_5d3d_max5d_div", "question": "Calculate 58381 / 739 =", "choices": {"text": ["86", "72", "89", "79"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q8950_5d3d_max5d_div", "question": "Calculate 14972 / 197 =", "choices": {"text": ["83", "86", "69", "76"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q10542_3d3d_max3d_mult", "question": "Calculate 745 * 889 =", "choices": {"text": ["662315", "654892", "669718", "662305"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q7800_3d2d_max3d_mult", "question": "Calculate 412 * 59 =", "choices": {"text": ["24308", "24540", "24076", "24318"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q11233_3d3d_max3d_mult", "question": "Calculate 225 * 941 =", "choices": {"text": ["209871", "211725", "211735", "213579"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q3292_1d3d_max3d_mult", "question": "Calculate 8 * 154 =", "choices": {"text": ["1109", "1355", "1242", "1232"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q12880_3d3d_max3d_mult", "question": "Calculate 948 * 172 =", "choices": {"text": ["163066", "163056", "147392", "178720"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q8547_5d2d_max5d_div", "question": "Calculate 16029 / 39 =", "choices": {"text": ["407", "411", "421", "415"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q3031_4d3d_max4d_div", "question": "Calculate 6921 / 769 =", "choices": {"text": ["8", "9", "19", "10"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q3708_4d1d_max4d_div", "question": "Calculate 5144 / 8 =", "choices": {"text": ["653", "635", "643", "651"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q7209_4d2d_max4d_div", "question": "Calculate 2744 / 56 =", "choices": {"text": ["49", "59", "48", "50"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q2790_3d1d_max3d_mult", "question": "Calculate 263 * 9 =", "choices": {"text": ["2146", "2377", "2588", "2367"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q12024_3d3d_max3d_mult", "question": "Calculate 114 * 271 =", "choices": {"text": ["30904", "30894", "31126", "30662"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q8172_3d2d_max3d_mult", "question": "Calculate 741 * 16 =", "choices": {"text": ["11740", "11972", "11866", "11856"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q12816_3d3d_max3d_mult", "question": "Calculate 220 * 295 =", "choices": {"text": ["64436", "64900", "65364", "64910"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q2843_3d1d_max3d_mult", "question": "Calculate 574 * 4 =", "choices": {"text": ["2306", "2075", "2517", "2296"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q4946_4d1d_max4d_div", "question": "Calculate 2640 / 6 =", "choices": {"text": ["450", "444", "440", "436"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q7148_4d2d_max4d_div", "question": "Calculate 1007 / 53 =", "choices": {"text": ["19", "18", "29", "20"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q3951_3d1d_max3d_mult", "question": "Calculate 618 * 5 =", "choices": {"text": ["3100", "3061", "3090", "3119"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q8758_3d2d_max3d_mult", "question": "Calculate 503 * 90 =", "choices": {"text": ["45270", "45280", "44806", "45734"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q8286_3d2d_max3d_mult", "question": "Calculate 385 * 85 =", "choices": {"text": ["32957", "32725", "32735", "32493"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q5383_4d2d_max4d_div", "question": "Calculate 2139 / 93 =", "choices": {"text": ["24", "33", "22", "23"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q10567_3d3d_max3d_mult", "question": "Calculate 482 * 940 =", "choices": {"text": ["456787", "449373", "453080", "453090"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q8793_5d2d_max5d_div", "question": "Calculate 10989 / 99 =", "choices": {"text": ["110", "111", "112", "121"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q10011_5d2d_max5d_div", "question": "Calculate 17836 / 52 =", "choices": {"text": ["343", "347", "339", "353"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q6235_4d2d_max4d_div", "question": "Calculate 1148 / 28 =", "choices": {"text": ["42", "40", "41", "51"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q11104_3d3d_max3d_mult", "question": "Calculate 254 * 594 =", "choices": {"text": ["165018", "150876", "136734", "150886"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q11213_3d3d_max3d_mult", "question": "Calculate 668 * 732 =", "choices": {"text": ["485269", "488986", "488976", "492683"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q11105_6d3d_max6d_div", "question": "Calculate 150876 / 594 =", "choices": {"text": ["254", "256", "252", "264"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q9942_5d3d_max5d_div", "question": "Calculate 77028 / 917 =", "choices": {"text": ["85", "84", "83", "94"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q6452_4d2d_max4d_div", "question": "Calculate 3478 / 74 =", "choices": {"text": ["46", "48", "57", "47"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q8304_3d2d_max3d_mult", "question": "Calculate 713 * 14 =", "choices": {"text": ["9003", "9992", "9982", "10961"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q9100_3d2d_max3d_mult", "question": "Calculate 696 * 62 =", "choices": {"text": ["43616", "43162", "42688", "43152"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9501_5d2d_max5d_div", "question": "Calculate 14616 / 58 =", "choices": {"text": ["254", "250", "262", "252"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q12188_6d3d_max6d_div", "question": "Calculate 140778 / 198 =", "choices": {"text": ["711", "703", "719", "721"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q10021_2d3d_max3d_mult", "question": "Calculate 57 * 657 =", "choices": {"text": ["37459", "37449", "33913", "40985"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q11699_3d3d_max3d_mult", "question": "Calculate 558 * 276 =", "choices": {"text": ["154008", "139866", "154018", "168150"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q8036_3d2d_max3d_mult", "question": "Calculate 126 * 39 =", "choices": {"text": ["4924", "4914", "5404", "4424"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q10544_6d3d_max6d_div", "question": "Calculate 662305 / 745 =", "choices": {"text": ["881", "897", "899", "889"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q12428_3d3d_max3d_mult", "question": "Calculate 312 * 726 =", "choices": {"text": ["224658", "228366", "226512", "226522"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q11275_3d3d_max3d_mult", "question": "Calculate 322 * 287 =", "choices": {"text": ["91487", "92424", "93341", "92414"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q10610_3d3d_max3d_mult", "question": "Calculate 389 * 120 =", "choices": {"text": ["46690", "46680", "46216", "47144"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q9078_5d3d_max5d_div", "question": "Calculate 22656 / 472 =", "choices": {"text": ["49", "58", "48", "47"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q7010_2d2d_max2d_mult", "question": "Calculate 67 * 76 =", "choices": {"text": ["5582", "5102", "4602", "5092"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q6649_4d2d_max4d_div", "question": "Calculate 4050 / 90 =", "choices": {"text": ["46", "45", "44", "55"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q6055_2d2d_max2d_mult", "question": "Calculate 76 * 91 =", "choices": {"text": ["6974", "6916", "6858", "6926"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q5468_4d2d_max4d_div", "question": "Calculate 1650 / 50 =", "choices": {"text": ["34", "33", "43", "32"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q12595_6d3d_max6d_div", "question": "Calculate 643260 / 906 =", "choices": {"text": ["718", "710", "720", "702"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q11423_3d3d_max3d_mult", "question": "Calculate 752 * 710 =", "choices": {"text": ["533930", "537627", "530213", "533920"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q7743_5d2d_max5d_div", "question": "Calculate 42340 / 73 =", "choices": {"text": ["580", "524", "590", "636"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q11457_5d3d_max5d_div", "question": "Calculate 93294 / 426 =", "choices": {"text": ["217", "219", "221", "229"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q8692_3d2d_max3d_mult", "question": "Calculate 888 * 35 =", "choices": {"text": ["30848", "31080", "31312", "31090"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q6446_4d2d_max4d_div", "question": "Calculate 5694 / 73 =", "choices": {"text": ["88", "85", "78", "71"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q6143_2d2d_max2d_mult", "question": "Calculate 83 * 32 =", "choices": {"text": ["2666", "2656", "2627", "2685"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q9314_5d3d_max5d_div", "question": "Calculate 32680 / 817 =", "choices": {"text": ["39", "40", "50", "41"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q8414_3d2d_max3d_mult", "question": "Calculate 938 * 67 =", "choices": {"text": ["62856", "62846", "63310", "62382"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q9634_3d2d_max3d_mult", "question": "Calculate 674 * 85 =", "choices": {"text": ["56826", "57300", "57754", "57290"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9513_5d2d_max5d_div", "question": "Calculate 25740 / 33 =", "choices": {"text": ["772", "780", "788", "790"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q12687_6d3d_max6d_div", "question": "Calculate 228448 / 236 =", "choices": {"text": ["968", "960", "976", "978"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q10936_6d3d_max6d_div", "question": "Calculate 290505 / 535 =", "choices": {"text": ["547", "539", "553", "543"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9441_2d3d_max3d_mult", "question": "Calculate 81 * 432 =", "choices": {"text": ["38470", "35002", "34992", "31514"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q9685_2d3d_max3d_mult", "question": "Calculate 59 * 264 =", "choices": {"text": ["15692", "15586", "15460", "15576"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9635_5d2d_max5d_div", "question": "Calculate 57290 / 85 =", "choices": {"text": ["684", "682", "674", "666"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q6357_2d2d_max2d_mult", "question": "Calculate 35 * 58 =", "choices": {"text": ["2015", "2045", "2040", "2030"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q12796_3d3d_max3d_mult", "question": "Calculate 600 * 818 =", "choices": {"text": ["487093", "494507", "490800", "490810"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q12546_6d3d_max6d_div", "question": "Calculate 107848 / 488 =", "choices": {"text": ["221", "223", "219", "231"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q6971_2d2d_max2d_mult", "question": "Calculate 39 * 99 =", "choices": {"text": ["3861", "3832", "3890", "3871"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q5144_1d3d_max3d_mult", "question": "Calculate 7 * 182 =", "choices": {"text": ["1274", "1397", "1284", "1151"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q3114_4d1d_max4d_div", "question": "Calculate 3048 / 6 =", "choices": {"text": ["508", "504", "512", "518"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q8162_5d3d_max5d_div", "question": "Calculate 23940 / 630 =", "choices": {"text": ["48", "37", "39", "38"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q8684_3d2d_max3d_mult", "question": "Calculate 298 * 27 =", "choices": {"text": ["8056", "8104", "7988", "8046"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9956_5d3d_max5d_div", "question": "Calculate 41886 / 537 =", "choices": {"text": ["88", "78", "71", "85"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q8540_3d2d_max3d_mult", "question": "Calculate 139 * 11 =", "choices": {"text": ["1544", "1539", "1529", "1514"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q9073_5d2d_max5d_div", "question": "Calculate 41160 / 60 =", "choices": {"text": ["694", "696", "686", "678"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q8545_2d3d_max3d_mult", "question": "Calculate 39 * 411 =", "choices": {"text": ["16145", "16029", "15913", "16039"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q2960_1d3d_max3d_mult", "question": "Calculate 7 * 282 =", "choices": {"text": ["1989", "1959", "1984", "1974"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q11320_6d3d_max6d_div", "question": "Calculate 463856 / 547 =", "choices": {"text": ["856", "848", "840", "858"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q10935_6d3d_max6d_div", "question": "Calculate 290505 / 543 =", "choices": {"text": ["531", "539", "545", "535"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q6428_4d2d_max4d_div", "question": "Calculate 2691 / 39 =", "choices": {"text": ["79", "68", "70", "69"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q7117_2d2d_max2d_mult", "question": "Calculate 59 * 60 =", "choices": {"text": ["3550", "3511", "3569", "3540"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q12071_6d3d_max6d_div", "question": "Calculate 407000 / 814 =", "choices": {"text": ["510", "504", "496", "500"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q3741_4d3d_max4d_div", "question": "Calculate 5850 / 975 =", "choices": {"text": ["5", "6", "16", "7"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q4243_4d1d_max4d_div", "question": "Calculate 2322 / 9 =", "choices": {"text": ["268", "256", "258", "260"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q13054_6d3d_max6d_div", "question": "Calculate 290826 / 321 =", "choices": {"text": ["916", "914", "898", "906"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q10020_5d3d_max5d_div", "question": "Calculate 25641 / 777 =", "choices": {"text": ["32", "43", "34", "33"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q6028_2d2d_max2d_mult", "question": "Calculate 48 * 40 =", "choices": {"text": ["1905", "1920", "1935", "1930"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q12342_3d3d_max3d_mult", "question": "Calculate 873 * 804 =", "choices": {"text": ["694479", "709305", "701892", "701902"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q2864_1d3d_max3d_mult", "question": "Calculate 4 * 636 =", "choices": {"text": ["2544", "2554", "2789", "2299"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q4923_3d1d_max3d_mult", "question": "Calculate 867 * 9 =", "choices": {"text": ["7861", "7803", "7745", "7813"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q8484_5d3d_max5d_div", "question": "Calculate 23270 / 895 =", "choices": {"text": ["25", "26", "27", "36"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q8457_5d2d_max5d_div", "question": "Calculate 63145 / 73 =", "choices": {"text": ["875", "865", "857", "873"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q3323_4d1d_max4d_div", "question": "Calculate 2658 / 3 =", "choices": {"text": ["896", "894", "878", "886"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9960_5d3d_max5d_div", "question": "Calculate 20984 / 488 =", "choices": {"text": ["43", "44", "42", "53"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q7898_5d3d_max5d_div", "question": "Calculate 38115 / 495 =", "choices": {"text": ["84", "77", "70", "87"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q12696_3d3d_max3d_mult", "question": "Calculate 743 * 224 =", "choices": {"text": ["164578", "166432", "166442", "168286"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q10332_4d3d_max4d_div", "question": "Calculate 9024 / 564 =", "choices": {"text": ["15", "26", "17", "16"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q11090_6d3d_max6d_div", "question": "Calculate 715176 / 924 =", "choices": {"text": ["766", "774", "782", "784"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q2631_3d1d_max3d_mult", "question": "Calculate 238 * 6 =", "choices": {"text": ["1443", "1428", "1438", "1413"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q12777_3d3d_max3d_mult", "question": "Calculate 283 * 994 =", "choices": {"text": ["309124", "281312", "253480", "281302"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q2905_4d3d_max4d_div", "question": "Calculate 1228 / 307 =", "choices": {"text": ["5", "4", "3", "14"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q9038_3d2d_max3d_mult", "question": "Calculate 746 * 88 =", "choices": {"text": ["65658", "66112", "65184", "65648"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9693_5d2d_max5d_div", "question": "Calculate 16892 / 41 =", "choices": {"text": ["416", "408", "412", "422"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q2998_4d1d_max4d_div", "question": "Calculate 3256 / 8 =", "choices": {"text": ["417", "403", "407", "411"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q6517_4d2d_max4d_div", "question": "Calculate 4005 / 89 =", "choices": {"text": ["55", "45", "44", "46"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q3020_4d1d_max4d_div", "question": "Calculate 2324 / 7 =", "choices": {"text": ["332", "328", "342", "336"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q11127_3d3d_max3d_mult", "question": "Calculate 987 * 681 =", "choices": {"text": ["664734", "672147", "672157", "679560"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q10746_3d3d_max3d_mult", "question": "Calculate 167 * 681 =", "choices": {"text": ["112800", "113737", "114654", "113727"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q12384_3d3d_max3d_mult", "question": "Calculate 363 * 331 =", "choices": {"text": ["120163", "121080", "119226", "120153"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q7234_4d2d_max4d_div", "question": "Calculate 7050 / 75 =", "choices": {"text": ["93", "95", "94", "104"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q5459_2d2d_max2d_mult", "question": "Calculate 91 * 51 =", "choices": {"text": ["4641", "5083", "4199", "4651"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q8713_5d2d_max5d_div", "question": "Calculate 32296 / 88 =", "choices": {"text": ["377", "371", "367", "363"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q8073_2d3d_max3d_mult", "question": "Calculate 91 * 886 =", "choices": {"text": ["72794", "80626", "80636", "88458"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q6496_2d2d_max2d_mult", "question": "Calculate 94 * 62 =", "choices": {"text": ["5838", "5828", "5770", "5886"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q4793_4d3d_max4d_div", "question": "Calculate 6864 / 858 =", "choices": {"text": ["9", "7", "18", "8"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q10174_3d2d_max3d_mult", "question": "Calculate 456 * 14 =", "choices": {"text": ["6442", "6394", "6326", "6384"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q11209_3d3d_max3d_mult", "question": "Calculate 981 * 579 =", "choices": {"text": ["624564", "511434", "568009", "567999"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q8994_5d3d_max5d_div", "question": "Calculate 67130 / 959 =", "choices": {"text": ["63", "80", "70", "77"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q8738_5d3d_max5d_div", "question": "Calculate 40590 / 902 =", "choices": {"text": ["55", "44", "46", "45"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q3629_4d1d_max4d_div", "question": "Calculate 1419 / 3 =", "choices": {"text": ["473", "483", "477", "469"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q8581_5d2d_max5d_div", "question": "Calculate 34816 / 64 =", "choices": {"text": ["540", "554", "548", "544"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q8056_5d3d_max5d_div", "question": "Calculate 63360 / 640 =", "choices": {"text": ["100", "98", "99", "109"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q8766_5d3d_max5d_div", "question": "Calculate 28550 / 571 =", "choices": {"text": ["51", "50", "49", "60"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q11613_6d3d_max6d_div", "question": "Calculate 288248 / 548 =", "choices": {"text": ["522", "530", "526", "536"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q3165_3d1d_max3d_mult", "question": "Calculate 557 * 3 =", "choices": {"text": ["1656", "1681", "1671", "1686"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q10320_3d2d_max3d_mult", "question": "Calculate 912 * 83 =", "choices": {"text": ["75696", "82767", "68625", "75706"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q6812_4d2d_max4d_div", "question": "Calculate 5005 / 77 =", "choices": {"text": ["75", "65", "64", "66"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q3511_1d3d_max3d_mult", "question": "Calculate 5 * 471 =", "choices": {"text": ["2576", "2134", "2365", "2355"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9346_5d3d_max5d_div", "question": "Calculate 91488 / 953 =", "choices": {"text": ["97", "106", "96", "95"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q4889_4d3d_max4d_div", "question": "Calculate 3525 / 705 =", "choices": {"text": ["6", "4", "5", "15"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q3376_4d3d_max4d_div", "question": "Calculate 1917 / 639 =", "choices": {"text": ["3", "13", "4", "2"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q11377_6d3d_max6d_div", "question": "Calculate 144272 / 254 =", "choices": {"text": ["624", "512", "568", "578"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q9526_4d3d_max4d_div", "question": "Calculate 4032 / 288 =", "choices": {"text": ["13", "14", "15", "24"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q12073_3d3d_max3d_mult", "question": "Calculate 400 * 711 =", "choices": {"text": ["284400", "256117", "284410", "312683"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q11036_3d3d_max3d_mult", "question": "Calculate 601 * 702 =", "choices": {"text": ["418195", "421902", "425609", "421912"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q6472_2d2d_max2d_mult", "question": "Calculate 99 * 35 =", "choices": {"text": ["3465", "3436", "3475", "3494"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q13045_6d3d_max6d_div", "question": "Calculate 374500 / 535 =", "choices": {"text": ["692", "700", "708", "710"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q7825_2d3d_max3d_mult", "question": "Calculate 25 * 725 =", "choices": {"text": ["16357", "19893", "18125", "18135"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q7141_2d2d_max2d_mult", "question": "Calculate 38 * 54 =", "choices": {"text": ["2067", "2052", "2062", "2037"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q11179_6d3d_max6d_div", "question": "Calculate 291005 / 407 =", "choices": {"text": ["723", "715", "725", "707"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q8582_5d3d_max5d_div", "question": "Calculate 34816 / 544 =", "choices": {"text": ["74", "64", "65", "63"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q10923_3d3d_max3d_mult", "question": "Calculate 218 * 174 =", "choices": {"text": ["34396", "37932", "37942", "41468"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q8389_4d2d_max4d_div", "question": "Calculate 7866 / 69 =", "choices": {"text": ["114", "113", "124", "115"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q10527_6d3d_max6d_div", "question": "Calculate 389532 / 454 =", "choices": {"text": ["868", "850", "858", "866"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q10223_2d3d_max3d_mult", "question": "Calculate 20 * 982 =", "choices": {"text": ["17682", "19640", "21598", "19650"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q3756_4d1d_max4d_div", "question": "Calculate 5341 / 7 =", "choices": {"text": ["771", "755", "773", "763"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q8350_5d3d_max5d_div", "question": "Calculate 15810 / 170 =", "choices": {"text": ["94", "93", "92", "103"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q4624_4d1d_max4d_div", "question": "Calculate 3030 / 5 =", "choices": {"text": ["550", "662", "606", "616"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q12270_6d3d_max6d_div", "question": "Calculate 303688 / 748 =", "choices": {"text": ["416", "406", "402", "410"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q12274_3d3d_max3d_mult", "question": "Calculate 606 * 871 =", "choices": {"text": ["524119", "527826", "527836", "531533"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q10555_6d3d_max6d_div", "question": "Calculate 100625 / 575 =", "choices": {"text": ["185", "173", "177", "175"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q10509_6d3d_max6d_div", "question": "Calculate 326900 / 700 =", "choices": {"text": ["467", "471", "463", "477"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q8164_3d2d_max3d_mult", "question": "Calculate 915 * 97 =", "choices": {"text": ["88755", "88765", "89682", "87828"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q10051_2d3d_max3d_mult", "question": "Calculate 58 * 160 =", "choices": {"text": ["9280", "9290", "10164", "8396"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q6558_2d2d_max2d_mult", "question": "Calculate 53 * 28 =", "choices": {"text": ["1494", "1484", "1499", "1469"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q8197_5d2d_max5d_div", "question": "Calculate 12447 / 27 =", "choices": {"text": ["461", "457", "465", "471"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q3250_3d1d_max3d_mult", "question": "Calculate 760 * 5 =", "choices": {"text": ["3829", "3771", "3800", "3810"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q8862_3d2d_max3d_mult", "question": "Calculate 546 * 24 =", "choices": {"text": ["13104", "12988", "13114", "13220"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q12969_3d3d_max3d_mult", "question": "Calculate 252 * 414 =", "choices": {"text": ["104328", "103401", "104338", "105255"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q3217_4d1d_max4d_div", "question": "Calculate 7002 / 9 =", "choices": {"text": ["786", "770", "778", "788"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q4719_4d3d_max4d_div", "question": "Calculate 1466 / 733 =", "choices": {"text": ["12", "3", "2", "1"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q2723_4d1d_max4d_div", "question": "Calculate 4700 / 5 =", "choices": {"text": ["948", "932", "950", "940"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q3049_3d1d_max3d_mult", "question": "Calculate 893 * 7 =", "choices": {"text": ["6251", "6261", "6193", "6309"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q3946_4d1d_max4d_div", "question": "Calculate 1590 / 2 =", "choices": {"text": ["805", "803", "787", "795"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q7347_2d2d_max2d_mult", "question": "Calculate 16 * 81 =", "choices": {"text": ["1296", "1311", "1306", "1281"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q5466_2d2d_max2d_mult", "question": "Calculate 50 * 33 =", "choices": {"text": ["1650", "1660", "1635", "1665"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q4445_4d3d_max4d_div", "question": "Calculate 1112 / 556 =", "choices": {"text": ["3", "1", "12", "2"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q7928_3d2d_max3d_mult", "question": "Calculate 588 * 46 =", "choices": {"text": ["27280", "27048", "26816", "27058"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q5523_4d2d_max4d_div", "question": "Calculate 2278 / 67 =", "choices": {"text": ["44", "35", "34", "33"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q5953_2d2d_max2d_mult", "question": "Calculate 60 * 37 =", "choices": {"text": ["2220", "2230", "1999", "2441"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q7012_4d2d_max4d_div", "question": "Calculate 5092 / 67 =", "choices": {"text": ["86", "69", "76", "83"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q12491_3d3d_max3d_mult", "question": "Calculate 311 * 532 =", "choices": {"text": ["167306", "165462", "163598", "165452"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q11352_3d3d_max3d_mult", "question": "Calculate 796 * 320 =", "choices": {"text": ["256574", "252866", "254720", "254730"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q8887_2d3d_max3d_mult", "question": "Calculate 26 * 138 =", "choices": {"text": ["3617", "3559", "3588", "3598"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q12347_6d3d_max6d_div", "question": "Calculate 367845 / 411 =", "choices": {"text": ["903", "905", "895", "887"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q6796_4d2d_max4d_div", "question": "Calculate 7448 / 98 =", "choices": {"text": ["76", "83", "69", "86"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q8949_5d2d_max5d_div", "question": "Calculate 14972 / 76 =", "choices": {"text": ["197", "199", "207", "195"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q7208_2d2d_max2d_mult", "question": "Calculate 49 * 56 =", "choices": {"text": ["2773", "2744", "2754", "2715"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q10848_3d3d_max3d_mult", "question": "Calculate 115 * 933 =", "choices": {"text": ["108222", "107295", "106368", "107305"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q9524_3d2d_max3d_mult", "question": "Calculate 288 * 14 =", "choices": {"text": ["4003", "4061", "4032", "4042"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q3457_4d1d_max4d_div", "question": "Calculate 2976 / 8 =", "choices": {"text": ["372", "382", "376", "368"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q5974_4d2d_max4d_div", "question": "Calculate 2392 / 52 =", "choices": {"text": ["47", "46", "56", "45"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q12451_3d3d_max3d_mult", "question": "Calculate 431 * 631 =", "choices": {"text": ["270107", "273815", "271971", "271961"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9139_2d3d_max3d_mult", "question": "Calculate 29 * 543 =", "choices": {"text": ["15631", "15863", "15747", "15757"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q11005_6d3d_max6d_div", "question": "Calculate 174286 / 211 =", "choices": {"text": ["826", "834", "818", "836"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q10330_3d2d_max3d_mult", "question": "Calculate 564 * 16 =", "choices": {"text": ["9024", "9908", "8140", "9034"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q4006_4d1d_max4d_div", "question": "Calculate 2781 / 3 =", "choices": {"text": ["927", "935", "919", "937"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q9839_2d3d_max3d_mult", "question": "Calculate 44 * 689 =", "choices": {"text": ["30084", "30548", "30316", "30326"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q7890_5d3d_max5d_div", "question": "Calculate 25370 / 295 =", "choices": {"text": ["85", "86", "87", "96"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q4485_3d1d_max3d_mult", "question": "Calculate 912 * 2 =", "choices": {"text": ["1839", "1824", "1834", "1809"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q6451_2d2d_max2d_mult", "question": "Calculate 47 * 74 =", "choices": {"text": ["3478", "3488", "3507", "3449"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q9051_2d3d_max3d_mult", "question": "Calculate 43 * 597 =", "choices": {"text": ["25903", "25671", "25439", "25681"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q6811_4d2d_max4d_div", "question": "Calculate 5005 / 65 =", "choices": {"text": ["84", "70", "77", "87"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q7243_4d2d_max4d_div", "question": "Calculate 1534 / 59 =", "choices": {"text": ["36", "26", "27", "25"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q11959_3d3d_max3d_mult", "question": "Calculate 649 * 959 =", "choices": {"text": ["622391", "622401", "678956", "565826"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q12314_3d3d_max3d_mult", "question": "Calculate 439 * 838 =", "choices": {"text": ["367882", "364175", "371589", "367892"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q12712_3d3d_max3d_mult", "question": "Calculate 270 * 487 =", "choices": {"text": ["132417", "130563", "131490", "131500"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q5045_4d1d_max4d_div", "question": "Calculate 3496 / 8 =", "choices": {"text": ["441", "433", "437", "447"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q10226_5d3d_max5d_div", "question": "Calculate 19640 / 982 =", "choices": {"text": ["20", "30", "21", "19"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q8614_3d2d_max3d_mult", "question": "Calculate 132 * 58 =", "choices": {"text": ["7598", "7666", "7656", "7714"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q12903_6d3d_max6d_div", "question": "Calculate 347728 / 824 =", "choices": {"text": ["418", "422", "426", "432"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q7180_2d2d_max2d_mult", "question": "Calculate 82 * 66 =", "choices": {"text": ["5354", "5422", "5470", "5412"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q10500_3d3d_max3d_mult", "question": "Calculate 625 * 139 =", "choices": {"text": ["85948", "86885", "87802", "86875"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q8078_3d2d_max3d_mult", "question": "Calculate 437 * 53 =", "choices": {"text": ["22929", "23393", "23161", "23171"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q10952_6d3d_max6d_div", "question": "Calculate 309120 / 345 =", "choices": {"text": ["904", "896", "906", "888"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q11405_3d3d_max3d_mult", "question": "Calculate 987 * 967 =", "choices": {"text": ["954439", "954429", "947016", "961842"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q9625_5d2d_max5d_div", "question": "Calculate 27206 / 61 =", "choices": {"text": ["456", "442", "446", "450"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q11055_3d3d_max3d_mult", "question": "Calculate 333 * 590 =", "choices": {"text": ["194616", "196470", "198324", "196480"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q5627_2d2d_max2d_mult", "question": "Calculate 64 * 69 =", "choices": {"text": ["3981", "4416", "4851", "4426"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q5073_3d1d_max3d_mult", "question": "Calculate 255 * 4 =", "choices": {"text": ["1028", "1012", "1030", "1020"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q12087_6d3d_max6d_div", "question": "Calculate 128920 / 586 =", "choices": {"text": ["222", "220", "218", "230"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q7625_2d2d_max2d_mult", "question": "Calculate 56 * 21 =", "choices": {"text": ["1065", "1287", "1176", "1186"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q7493_2d2d_max2d_mult", "question": "Calculate 91 * 20 =", "choices": {"text": ["1835", "1830", "1805", "1820"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q5877_2d2d_max2d_mult", "question": "Calculate 55 * 45 =", "choices": {"text": ["2230", "2720", "2475", "2485"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q9794_3d2d_max3d_mult", "question": "Calculate 755 * 41 =", "choices": {"text": ["30965", "30955", "30723", "31187"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q5211_4d2d_max4d_div", "question": "Calculate 3906 / 93 =", "choices": {"text": ["43", "52", "41", "42"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q10995_6d3d_max6d_div", "question": "Calculate 238200 / 600 =", "choices": {"text": ["397", "407", "393", "401"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q6390_2d2d_max2d_mult", "question": "Calculate 89 * 82 =", "choices": {"text": ["7356", "7308", "7240", "7298"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q2963_4d3d_max4d_div", "question": "Calculate 1974 / 282 =", "choices": {"text": ["17", "6", "8", "7"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q11686_3d3d_max3d_mult", "question": "Calculate 878 * 817 =", "choices": {"text": ["724739", "717336", "709913", "717326"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q8118_3d2d_max3d_mult", "question": "Calculate 254 * 92 =", "choices": {"text": ["23136", "23368", "23378", "23600"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q12970_3d3d_max3d_mult", "question": "Calculate 414 * 252 =", "choices": {"text": ["103401", "105255", "104338", "104328"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q5980_2d2d_max2d_mult", "question": "Calculate 17 * 80 =", "choices": {"text": ["1360", "1375", "1370", "1345"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q2810_4d1d_max4d_div", "question": "Calculate 4914 / 9 =", "choices": {"text": ["556", "542", "546", "550"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q8530_5d3d_max5d_div", "question": "Calculate 46746 / 954 =", "choices": {"text": ["59", "49", "48", "50"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q9028_3d2d_max3d_mult", "question": "Calculate 887 * 47 =", "choices": {"text": ["41689", "41699", "41225", "42153"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q9473_5d2d_max5d_div", "question": "Calculate 53998 / 58 =", "choices": {"text": ["939", "923", "941", "931"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q4791_3d1d_max3d_mult", "question": "Calculate 858 * 8 =", "choices": {"text": ["6864", "6874", "6922", "6806"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q7278_2d2d_max2d_mult", "question": "Calculate 78 * 77 =", "choices": {"text": ["6006", "6016", "5948", "6064"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q5740_4d2d_max4d_div", "question": "Calculate 3969 / 81 =", "choices": {"text": ["48", "50", "59", "49"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9518_4d3d_max4d_div", "question": "Calculate 7150 / 110 =", "choices": {"text": ["65", "75", "64", "66"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q11844_6d3d_max6d_div", "question": "Calculate 691092 / 729 =", "choices": {"text": ["956", "940", "958", "948"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9181_5d2d_max5d_div", "question": "Calculate 26280 / 36 =", "choices": {"text": ["740", "730", "722", "738"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q5772_4d2d_max4d_div", "question": "Calculate 3430 / 35 =", "choices": {"text": ["99", "108", "97", "98"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q12485_6d3d_max6d_div", "question": "Calculate 188936 / 418 =", "choices": {"text": ["452", "462", "448", "456"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q2724_4d3d_max4d_div", "question": "Calculate 4700 / 940 =", "choices": {"text": ["5", "15", "4", "6"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q4368_4d1d_max4d_div", "question": "Calculate 4680 / 5 =", "choices": {"text": ["944", "936", "946", "928"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q7022_2d2d_max2d_mult", "question": "Calculate 67 * 89 =", "choices": {"text": ["5905", "6021", "5973", "5963"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9517_4d2d_max4d_div", "question": "Calculate 7150 / 65 =", "choices": {"text": ["111", "120", "109", "110"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q7551_4d2d_max4d_div", "question": "Calculate 2627 / 37 =", "choices": {"text": ["78", "81", "71", "64"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q5644_2d2d_max2d_mult", "question": "Calculate 55 * 25 =", "choices": {"text": ["1390", "1375", "1385", "1360"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q4847_4d3d_max4d_div", "question": "Calculate 3732 / 622 =", "choices": {"text": ["7", "16", "6", "5"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q11335_3d3d_max3d_mult", "question": "Calculate 406 * 757 =", "choices": {"text": ["279059", "307342", "335625", "307352"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q7495_4d2d_max4d_div", "question": "Calculate 1820 / 91 =", "choices": {"text": ["30", "21", "20", "19"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q12064_3d3d_max3d_mult", "question": "Calculate 991 * 699 =", "choices": {"text": ["700122", "692709", "685296", "692719"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q11053_6d3d_max6d_div", "question": "Calculate 345308 / 998 =", "choices": {"text": ["356", "346", "342", "350"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q12277_3d3d_max3d_mult", "question": "Calculate 165 * 626 =", "choices": {"text": ["104217", "103300", "102363", "103290"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9102_5d3d_max5d_div", "question": "Calculate 43152 / 696 =", "choices": {"text": ["72", "63", "62", "61"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q12192_6d3d_max6d_div", "question": "Calculate 107445 / 377 =", "choices": {"text": ["257", "313", "285", "295"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q11174_6d3d_max6d_div", "question": "Calculate 187910 / 230 =", "choices": {"text": ["817", "825", "827", "809"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q5780_4d2d_max4d_div", "question": "Calculate 2880 / 40 =", "choices": {"text": ["72", "82", "65", "79"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q9958_3d2d_max3d_mult", "question": "Calculate 488 * 43 =", "choices": {"text": ["21216", "20984", "20752", "20994"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q6648_4d2d_max4d_div", "question": "Calculate 4050 / 45 =", "choices": {"text": ["91", "90", "100", "89"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q12037_3d3d_max3d_mult", "question": "Calculate 425 * 955 =", "choices": {"text": ["402168", "405875", "405885", "409582"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q3192_1d3d_max3d_mult", "question": "Calculate 4 * 953 =", "choices": {"text": ["3812", "3841", "3783", "3822"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q2821_3d1d_max3d_mult", "question": "Calculate 500 * 4 =", "choices": {"text": ["1985", "2010", "2000", "2015"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q5398_4d2d_max4d_div", "question": "Calculate 1107 / 41 =", "choices": {"text": ["28", "27", "26", "37"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q9968_5d3d_max5d_div", "question": "Calculate 21312 / 288 =", "choices": {"text": ["84", "67", "74", "81"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q3569_3d1d_max3d_mult", "question": "Calculate 954 * 7 =", "choices": {"text": ["6688", "6678", "6620", "6736"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q3422_4d3d_max4d_div", "question": "Calculate 2612 / 653 =", "choices": {"text": ["14", "5", "4", "3"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q4035_3d1d_max3d_mult", "question": "Calculate 420 * 5 =", "choices": {"text": ["2110", "2115", "2100", "2085"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q11202_6d3d_max6d_div", "question": "Calculate 134845 / 149 =", "choices": {"text": ["905", "897", "915", "913"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q12882_6d3d_max6d_div", "question": "Calculate 163056 / 948 =", "choices": {"text": ["182", "172", "174", "170"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q13014_6d3d_max6d_div", "question": "Calculate 220002 / 222 =", "choices": {"text": ["983", "1001", "991", "999"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q11750_3d3d_max3d_mult", "question": "Calculate 744 * 875 =", "choices": {"text": ["588345", "651010", "651000", "713655"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q7156_2d2d_max2d_mult", "question": "Calculate 44 * 99 =", "choices": {"text": ["4791", "3921", "4366", "4356"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q3074_4d1d_max4d_div", "question": "Calculate 2418 / 6 =", "choices": {"text": ["413", "407", "403", "399"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q3503_1d3d_max3d_mult", "question": "Calculate 7 * 167 =", "choices": {"text": ["1058", "1169", "1179", "1280"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q5483_4d2d_max4d_div", "question": "Calculate 6887 / 97 =", "choices": {"text": ["81", "71", "78", "64"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q3607_4d3d_max4d_div", "question": "Calculate 1881 / 627 =", "choices": {"text": ["4", "2", "3", "13"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q12459_6d3d_max6d_div", "question": "Calculate 614708 / 956 =", "choices": {"text": ["653", "643", "651", "635"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q8289_2d3d_max3d_mult", "question": "Calculate 24 * 919 =", "choices": {"text": ["22288", "21824", "22066", "22056"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q5570_2d2d_max2d_mult", "question": "Calculate 78 * 14 =", "choices": {"text": ["983", "1102", "1092", "1201"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q8117_2d3d_max3d_mult", "question": "Calculate 92 * 254 =", "choices": {"text": ["23600", "23136", "23378", "23368"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q5408_4d2d_max4d_div", "question": "Calculate 1333 / 31 =", "choices": {"text": ["44", "53", "43", "42"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q7207_2d2d_max2d_mult", "question": "Calculate 56 * 49 =", "choices": {"text": ["2744", "2715", "2754", "2773"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q3939_4d3d_max4d_div", "question": "Calculate 3423 / 489 =", "choices": {"text": ["7", "8", "17", "6"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q3441_4d1d_max4d_div", "question": "Calculate 2639 / 7 =", "choices": {"text": ["373", "377", "387", "381"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q9422_5d3d_max5d_div", "question": "Calculate 41349 / 537 =", "choices": {"text": ["87", "84", "70", "77"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q11148_3d3d_max3d_mult", "question": "Calculate 604 * 528 =", "choices": {"text": ["318922", "287584", "318912", "350240"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q10460_6d3d_max6d_div", "question": "Calculate 368625 / 983 =", "choices": {"text": ["379", "385", "371", "375"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q10932_6d3d_max6d_div", "question": "Calculate 483483 / 637 =", "choices": {"text": ["769", "759", "767", "751"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q12065_6d3d_max6d_div", "question": "Calculate 692709 / 699 =", "choices": {"text": ["999", "1001", "983", "991"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q11071_6d3d_max6d_div", "question": "Calculate 255000 / 375 =", "choices": {"text": ["680", "672", "688", "690"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q5348_4d2d_max4d_div", "question": "Calculate 2976 / 31 =", "choices": {"text": ["96", "106", "95", "97"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q7200_2d2d_max2d_mult", "question": "Calculate 84 * 22 =", "choices": {"text": ["1848", "1858", "1863", "1833"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q11249_6d3d_max6d_div", "question": "Calculate 100928 / 166 =", "choices": {"text": ["664", "608", "618", "552"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q9044_4d3d_max4d_div", "question": "Calculate 7268 / 316 =", "choices": {"text": ["33", "23", "22", "24"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q11993_3d3d_max3d_mult", "question": "Calculate 343 * 308 =", "choices": {"text": ["104717", "105644", "106571", "105654"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q5050_3d1d_max3d_mult", "question": "Calculate 822 * 9 =", "choices": {"text": ["7340", "7408", "7456", "7398"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q5263_4d2d_max4d_div", "question": "Calculate 1176 / 98 =", "choices": {"text": ["12", "11", "13", "22"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q9296_3d2d_max3d_mult", "question": "Calculate 730 * 61 =", "choices": {"text": ["44540", "44066", "44994", "44530"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q4129_4d1d_max4d_div", "question": "Calculate 2840 / 5 =", "choices": {"text": ["568", "624", "578", "512"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q7548_4d2d_max4d_div", "question": "Calculate 2052 / 76 =", "choices": {"text": ["28", "27", "26", "37"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q10357_4d2d_max4d_div", "question": "Calculate 8450 / 26 =", "choices": {"text": ["325", "335", "329", "321"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q11586_3d3d_max3d_mult", "question": "Calculate 623 * 302 =", "choices": {"text": ["186292", "188156", "188146", "190000"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q10541_3d3d_max3d_mult", "question": "Calculate 889 * 745 =", "choices": {"text": ["662305", "669718", "662315", "654892"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q10989_5d3d_max5d_div", "question": "Calculate 26000 / 208 =", "choices": {"text": ["126", "135", "125", "124"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q11898_6d3d_max6d_div", "question": "Calculate 808830 / 817 =", "choices": {"text": ["998", "990", "982", "1000"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q12608_6d3d_max6d_div", "question": "Calculate 189329 / 629 =", "choices": {"text": ["301", "311", "329", "273"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q10891_5d3d_max5d_div", "question": "Calculate 51152 / 184 =", "choices": {"text": ["280", "278", "288", "276"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q7233_4d2d_max4d_div", "question": "Calculate 7050 / 94 =", "choices": {"text": ["75", "68", "85", "82"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q10554_3d3d_max3d_mult", "question": "Calculate 175 * 575 =", "choices": {"text": ["101552", "100635", "100625", "99698"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q9049_5d2d_max5d_div", "question": "Calculate 63336 / 78 =", "choices": {"text": ["812", "822", "820", "804"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q6768_2d2d_max2d_mult", "question": "Calculate 69 * 38 =", "choices": {"text": ["2632", "2593", "2622", "2651"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q8437_2d3d_max3d_mult", "question": "Calculate 74 * 178 =", "choices": {"text": ["13182", "13056", "13288", "13172"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q5626_2d2d_max2d_mult", "question": "Calculate 69 * 64 =", "choices": {"text": ["4416", "3981", "4426", "4851"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q11296_3d3d_max3d_mult", "question": "Calculate 448 * 981 =", "choices": {"text": ["435781", "439498", "443195", "439488"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q3037_4d3d_max4d_div", "question": "Calculate 3906 / 651 =", "choices": {"text": ["16", "5", "6", "7"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q11402_3d3d_max3d_mult", "question": "Calculate 798 * 730 =", "choices": {"text": ["639105", "525975", "582540", "582550"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q5015_1d3d_max3d_mult", "question": "Calculate 5 * 217 =", "choices": {"text": ["1093", "1085", "1095", "1077"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q9876_3d2d_max3d_mult", "question": "Calculate 938 * 39 =", "choices": {"text": ["40118", "36592", "36582", "33046"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q11856_5d3d_max5d_div", "question": "Calculate 64800 / 540 =", "choices": {"text": ["121", "130", "119", "120"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q3455_1d3d_max3d_mult", "question": "Calculate 8 * 372 =", "choices": {"text": ["2986", "3005", "2947", "2976"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q3265_4d1d_max4d_div", "question": "Calculate 5076 / 6 =", "choices": {"text": ["856", "838", "846", "854"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q8366_3d2d_max3d_mult", "question": "Calculate 551 * 51 =", "choices": {"text": ["27869", "28333", "28111", "28101"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q5924_4d2d_max4d_div", "question": "Calculate 1311 / 19 =", "choices": {"text": ["68", "70", "69", "79"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q6066_2d2d_max2d_mult", "question": "Calculate 28 * 86 =", "choices": {"text": ["2418", "2629", "2408", "2187"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q11226_6d3d_max6d_div", "question": "Calculate 482112 / 972 =", "choices": {"text": ["492", "496", "506", "500"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q11418_6d3d_max6d_div", "question": "Calculate 127512 / 138 =", "choices": {"text": ["932", "924", "916", "934"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q9600_4d3d_max4d_div", "question": "Calculate 2235 / 149 =", "choices": {"text": ["15", "25", "14", "16"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q5629_4d2d_max4d_div", "question": "Calculate 4416 / 64 =", "choices": {"text": ["79", "68", "69", "70"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q9176_3d2d_max3d_mult", "question": "Calculate 374 * 84 =", "choices": {"text": ["31426", "31416", "31648", "31184"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q7776_3d2d_max3d_mult", "question": "Calculate 770 * 49 =", "choices": {"text": ["41266", "34194", "37740", "37730"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q12353_6d3d_max6d_div", "question": "Calculate 166888 / 907 =", "choices": {"text": ["194", "186", "184", "182"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q11505_3d3d_max3d_mult", "question": "Calculate 692 * 880 =", "choices": {"text": ["665525", "608970", "608960", "552395"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q12129_3d3d_max3d_mult", "question": "Calculate 273 * 710 =", "choices": {"text": ["193840", "195684", "191976", "193830"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q5452_4d2d_max4d_div", "question": "Calculate 4680 / 90 =", "choices": {"text": ["52", "53", "51", "62"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q5435_4d2d_max4d_div", "question": "Calculate 2378 / 29 =", "choices": {"text": ["82", "92", "81", "83"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q12902_3d3d_max3d_mult", "question": "Calculate 422 * 824 =", "choices": {"text": ["344021", "347738", "347728", "351435"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q3068_1d3d_max3d_mult", "question": "Calculate 7 * 146 =", "choices": {"text": ["1030", "1022", "1032", "1014"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q9633_2d3d_max3d_mult", "question": "Calculate 85 * 674 =", "choices": {"text": ["57290", "56826", "57754", "57300"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q11130_6d3d_max6d_div", "question": "Calculate 672147 / 681 =", "choices": {"text": ["987", "979", "995", "997"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q7549_2d2d_max2d_mult", "question": "Calculate 37 * 71 =", "choices": {"text": ["2656", "2637", "2598", "2627"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q12415_3d3d_max3d_mult", "question": "Calculate 543 * 998 =", "choices": {"text": ["541914", "545621", "541924", "538207"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q7594_4d2d_max4d_div", "question": "Calculate 3560 / 89 =", "choices": {"text": ["50", "40", "39", "41"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q2789_1d3d_max3d_mult", "question": "Calculate 9 * 263 =", "choices": {"text": ["2377", "2146", "2588", "2367"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q7725_5d2d_max5d_div", "question": "Calculate 53885 / 65 =", "choices": {"text": ["821", "837", "829", "839"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q9244_4d3d_max4d_div", "question": "Calculate 9372 / 142 =", "choices": {"text": ["66", "65", "76", "67"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q10461_3d3d_max3d_mult", "question": "Calculate 703 * 356 =", "choices": {"text": ["252122", "248414", "250268", "250278"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q8055_5d2d_max5d_div", "question": "Calculate 63360 / 99 =", "choices": {"text": ["650", "640", "648", "632"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q8993_5d2d_max5d_div", "question": "Calculate 67130 / 70 =", "choices": {"text": ["967", "959", "951", "969"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q12040_6d3d_max6d_div", "question": "Calculate 405875 / 955 =", "choices": {"text": ["421", "425", "435", "429"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q4296_4d3d_max4d_div", "question": "Calculate 1852 / 463 =", "choices": {"text": ["14", "4", "3", "5"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q7827_5d2d_max5d_div", "question": "Calculate 18125 / 25 =", "choices": {"text": ["733", "725", "735", "717"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q5091_3d1d_max3d_mult", "question": "Calculate 681 * 7 =", "choices": {"text": ["4777", "5209", "4767", "4325"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q3415_1d3d_max3d_mult", "question": "Calculate 7 * 148 =", "choices": {"text": ["1036", "1044", "1046", "1028"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q9988_3d2d_max3d_mult", "question": "Calculate 630 * 10 =", "choices": {"text": ["6242", "6300", "6310", "6358"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q10331_4d2d_max4d_div", "question": "Calculate 9024 / 16 =", "choices": {"text": ["620", "574", "508", "564"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q11618_6d3d_max6d_div", "question": "Calculate 442192 / 464 =", "choices": {"text": ["953", "945", "963", "961"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q11789_3d3d_max3d_mult", "question": "Calculate 207 * 435 =", "choices": {"text": ["90972", "90055", "90045", "89118"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q8313_2d3d_max3d_mult", "question": "Calculate 38 * 686 =", "choices": {"text": ["26300", "26078", "25836", "26068"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q10433_6d3d_max6d_div", "question": "Calculate 413674 / 794 =", "choices": {"text": ["521", "517", "525", "531"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q4266_3d1d_max3d_mult", "question": "Calculate 361 * 9 =", "choices": {"text": ["3249", "3259", "3220", "3278"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q9033_2d3d_max3d_mult", "question": "Calculate 55 * 552 =", "choices": {"text": ["30592", "30370", "30360", "30128"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q4005_3d1d_max3d_mult", "question": "Calculate 927 * 3 =", "choices": {"text": ["2810", "2781", "2752", "2791"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q8611_5d2d_max5d_div", "question": "Calculate 59645 / 79 =", "choices": {"text": ["755", "747", "763", "765"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q6429_4d2d_max4d_div", "question": "Calculate 2691 / 69 =", "choices": {"text": ["38", "40", "49", "39"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q11338_6d3d_max6d_div", "question": "Calculate 307342 / 757 =", "choices": {"text": ["402", "406", "416", "410"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q5379_4d2d_max4d_div", "question": "Calculate 1881 / 19 =", "choices": {"text": ["109", "98", "99", "100"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q11309_3d3d_max3d_mult", "question": "Calculate 546 * 802 =", "choices": {"text": ["434185", "441599", "437902", "437892"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9827_2d3d_max3d_mult", "question": "Calculate 51 * 141 =", "choices": {"text": ["7249", "7133", "7201", "7191"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9727_2d3d_max3d_mult", "question": "Calculate 27 * 756 =", "choices": {"text": ["18454", "20412", "20422", "22370"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q12984_6d3d_max6d_div", "question": "Calculate 225929 / 517 =", "choices": {"text": ["447", "433", "441", "437"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9714_4d3d_max4d_div", "question": "Calculate 8250 / 330 =", "choices": {"text": ["35", "25", "26", "24"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q11200_3d3d_max3d_mult", "question": "Calculate 149 * 905 =", "choices": {"text": ["135772", "134855", "134845", "133918"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q7302_4d2d_max4d_div", "question": "Calculate 5915 / 91 =", "choices": {"text": ["64", "75", "66", "65"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q4672_3d1d_max3d_mult", "question": "Calculate 706 * 6 =", "choices": {"text": ["4207", "4246", "4236", "4265"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q6207_4d2d_max4d_div", "question": "Calculate 2716 / 97 =", "choices": {"text": ["29", "38", "28", "27"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q8429_5d2d_max5d_div", "question": "Calculate 52018 / 62 =", "choices": {"text": ["849", "831", "847", "839"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q5425_2d2d_max2d_mult", "question": "Calculate 14 * 77 =", "choices": {"text": ["1088", "1086", "1070", "1078"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9856_5d3d_max5d_div", "question": "Calculate 27084 / 732 =", "choices": {"text": ["36", "47", "37", "38"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q4753_4d3d_max4d_div", "question": "Calculate 1488 / 248 =", "choices": {"text": ["16", "7", "6", "5"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q10418_3d3d_max3d_mult", "question": "Calculate 368 * 800 =", "choices": {"text": ["294410", "294400", "266117", "322683"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q9146_5d3d_max5d_div", "question": "Calculate 24948 / 693 =", "choices": {"text": ["35", "46", "36", "37"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q8573_2d3d_max3d_mult", "question": "Calculate 96 * 304 =", "choices": {"text": ["29416", "29184", "28952", "29194"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q12726_6d3d_max6d_div", "question": "Calculate 271794 / 291 =", "choices": {"text": ["942", "926", "944", "934"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q3127_4d3d_max4d_div", "question": "Calculate 5211 / 579 =", "choices": {"text": ["10", "8", "19", "9"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q8324_5d3d_max5d_div", "question": "Calculate 18368 / 448 =", "choices": {"text": ["41", "51", "40", "42"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q7196_2d2d_max2d_mult", "question": "Calculate 43 * 37 =", "choices": {"text": ["1606", "1601", "1591", "1576"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q12016_3d3d_max3d_mult", "question": "Calculate 771 * 635 =", "choices": {"text": ["489585", "485878", "493292", "489595"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q5562_2d2d_max2d_mult", "question": "Calculate 91 * 18 =", "choices": {"text": ["1623", "1648", "1638", "1653"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q12503_6d3d_max6d_div", "question": "Calculate 114289 / 203 =", "choices": {"text": ["563", "573", "619", "507"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q6941_4d2d_max4d_div", "question": "Calculate 2480 / 80 =", "choices": {"text": ["41", "32", "30", "31"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q10583_6d3d_max6d_div", "question": "Calculate 348300 / 774 =", "choices": {"text": ["450", "454", "460", "446"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q11892_3d3d_max3d_mult", "question": "Calculate 250 * 786 =", "choices": {"text": ["196510", "194646", "198354", "196500"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q8669_5d2d_max5d_div", "question": "Calculate 55803 / 89 =", "choices": {"text": ["637", "689", "627", "565"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q3795_4d3d_max4d_div", "question": "Calculate 3770 / 754 =", "choices": {"text": ["15", "6", "5", "4"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q4985_1d3d_max3d_mult", "question": "Calculate 7 * 192 =", "choices": {"text": ["1354", "1329", "1344", "1359"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q6391_2d2d_max2d_mult", "question": "Calculate 82 * 89 =", "choices": {"text": ["7240", "7308", "7298", "7356"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q7747_5d2d_max5d_div", "question": "Calculate 24840 / 36 =", "choices": {"text": ["690", "682", "698", "700"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q3599_3d1d_max3d_mult", "question": "Calculate 190 * 9 =", "choices": {"text": ["1725", "1710", "1720", "1695"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q12788_3d3d_max3d_mult", "question": "Calculate 964 * 856 =", "choices": {"text": ["832597", "817771", "825194", "825184"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q12296_6d3d_max6d_div", "question": "Calculate 204204 / 308 =", "choices": {"text": ["663", "671", "673", "655"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q3999_3d1d_max3d_mult", "question": "Calculate 266 * 5 =", "choices": {"text": ["1315", "1340", "1330", "1345"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q11606_5d3d_max5d_div", "question": "Calculate 80712 / 114 =", "choices": {"text": ["708", "700", "716", "718"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q10598_5d3d_max5d_div", "question": "Calculate 72930 / 663 =", "choices": {"text": ["109", "120", "111", "110"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q4242_3d1d_max3d_mult", "question": "Calculate 258 * 9 =", "choices": {"text": ["2332", "2101", "2322", "2543"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q2820_1d3d_max3d_mult", "question": "Calculate 4 * 500 =", "choices": {"text": ["1985", "2000", "2015", "2010"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q6871_4d2d_max4d_div", "question": "Calculate 5494 / 82 =", "choices": {"text": ["77", "67", "68", "66"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q12345_3d3d_max3d_mult", "question": "Calculate 411 * 895 =", "choices": {"text": ["367855", "367845", "364138", "371552"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q3216_3d1d_max3d_mult", "question": "Calculate 778 * 9 =", "choices": {"text": ["7060", "6944", "7002", "7012"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q6822_2d2d_max2d_mult", "question": "Calculate 16 * 90 =", "choices": {"text": ["1425", "1440", "1455", "1450"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q8192_5d3d_max5d_div", "question": "Calculate 46354 / 539 =", "choices": {"text": ["86", "96", "87", "85"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q11064_3d3d_max3d_mult", "question": "Calculate 577 * 978 =", "choices": {"text": ["619950", "564306", "564316", "508662"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q10984_3d3d_max3d_mult", "question": "Calculate 898 * 261 =", "choices": {"text": ["236232", "232524", "234388", "234378"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q11165_6d3d_max6d_div", "question": "Calculate 355680 / 480 =", "choices": {"text": ["749", "741", "751", "733"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q12494_6d3d_max6d_div", "question": "Calculate 165452 / 532 =", "choices": {"text": ["311", "342", "280", "321"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q6956_4d2d_max4d_div", "question": "Calculate 1120 / 70 =", "choices": {"text": ["17", "26", "15", "16"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q7947_2d3d_max3d_mult", "question": "Calculate 46 * 255 =", "choices": {"text": ["11846", "11740", "11614", "11730"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q5880_4d2d_max4d_div", "question": "Calculate 2475 / 45 =", "choices": {"text": ["65", "56", "54", "55"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q5330_2d2d_max2d_mult", "question": "Calculate 28 * 95 =", "choices": {"text": ["2631", "2689", "2660", "2670"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q6218_2d2d_max2d_mult", "question": "Calculate 77 * 21 =", "choices": {"text": ["1632", "1617", "1602", "1627"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q11896_3d3d_max3d_mult", "question": "Calculate 817 * 990 =", "choices": {"text": ["808840", "801417", "816243", "808830"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q11864_6d3d_max6d_div", "question": "Calculate 587314 / 922 =", "choices": {"text": ["637", "647", "699", "575"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q3130_1d3d_max3d_mult", "question": "Calculate 8 * 163 =", "choices": {"text": ["1289", "1314", "1304", "1319"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q8212_3d2d_max3d_mult", "question": "Calculate 395 * 40 =", "choices": {"text": ["15800", "15916", "15684", "15810"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q3986_4d1d_max4d_div", "question": "Calculate 1816 / 8 =", "choices": {"text": ["225", "227", "229", "237"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q12675_3d3d_max3d_mult", "question": "Calculate 391 * 163 =", "choices": {"text": ["63743", "63733", "64197", "63269"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q7503_4d2d_max4d_div", "question": "Calculate 3648 / 96 =", "choices": {"text": ["48", "38", "39", "37"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q10424_3d3d_max3d_mult", "question": "Calculate 855 * 588 =", "choices": {"text": ["502740", "499033", "506447", "502750"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q9411_5d2d_max5d_div", "question": "Calculate 53692 / 62 =", "choices": {"text": ["874", "876", "858", "866"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9965_2d3d_max3d_mult", "question": "Calculate 74 * 288 =", "choices": {"text": ["21322", "21312", "21080", "21544"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q9504_3d2d_max3d_mult", "question": "Calculate 739 * 79 =", "choices": {"text": ["58381", "57917", "58391", "58845"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q4214_4d3d_max4d_div", "question": "Calculate 2744 / 686 =", "choices": {"text": ["14", "3", "5", "4"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q10939_3d3d_max3d_mult", "question": "Calculate 238 * 484 =", "choices": {"text": ["116119", "115192", "114265", "115202"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q7350_4d2d_max4d_div", "question": "Calculate 1296 / 81 =", "choices": {"text": ["17", "16", "26", "15"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q6646_2d2d_max2d_mult", "question": "Calculate 45 * 90 =", "choices": {"text": ["4060", "4021", "4079", "4050"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9878_5d3d_max5d_div", "question": "Calculate 36582 / 938 =", "choices": {"text": ["39", "40", "38", "49"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q10568_3d3d_max3d_mult", "question": "Calculate 940 * 482 =", "choices": {"text": ["456787", "453090", "449373", "453080"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q11286_3d3d_max3d_mult", "question": "Calculate 469 * 387 =", "choices": {"text": ["181503", "183357", "179649", "181513"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q12363_3d3d_max3d_mult", "question": "Calculate 758 * 238 =", "choices": {"text": ["180404", "178550", "180414", "182258"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q9371_5d2d_max5d_div", "question": "Calculate 10017 / 21 =", "choices": {"text": ["473", "477", "487", "481"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q7547_4d2d_max4d_div", "question": "Calculate 2052 / 27 =", "choices": {"text": ["86", "76", "83", "69"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q9142_5d3d_max5d_div", "question": "Calculate 15747 / 543 =", "choices": {"text": ["29", "30", "39", "28"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q6120_2d2d_max2d_mult", "question": "Calculate 38 * 80 =", "choices": {"text": ["3040", "3069", "3011", "3050"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q6872_2d2d_max2d_mult", "question": "Calculate 16 * 96 =", "choices": {"text": ["1551", "1521", "1536", "1546"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q3180_1d3d_max3d_mult", "question": "Calculate 6 * 868 =", "choices": {"text": ["5150", "5208", "5218", "5266"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q11381_6d3d_max6d_div", "question": "Calculate 383792 / 578 =", "choices": {"text": ["656", "672", "664", "674"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q7222_2d2d_max2d_mult", "question": "Calculate 86 * 31 =", "choices": {"text": ["2637", "2676", "2666", "2695"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q6481_4d2d_max4d_div", "question": "Calculate 6603 / 71 =", "choices": {"text": ["93", "94", "92", "103"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q4976_3d1d_max3d_mult", "question": "Calculate 567 * 6 =", "choices": {"text": ["3402", "3431", "3412", "3373"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q12924_6d3d_max6d_div", "question": "Calculate 315483 / 543 =", "choices": {"text": ["591", "581", "637", "525"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q3070_4d1d_max4d_div", "question": "Calculate 1022 / 7 =", "choices": {"text": ["156", "146", "160", "132"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q6099_4d2d_max4d_div", "question": "Calculate 4346 / 53 =", "choices": {"text": ["82", "83", "81", "92"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q6351_2d2d_max2d_mult", "question": "Calculate 44 * 32 =", "choices": {"text": ["1423", "1418", "1393", "1408"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q11614_6d3d_max6d_div", "question": "Calculate 288248 / 526 =", "choices": {"text": ["552", "544", "548", "558"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q7138_2d2d_max2d_mult", "question": "Calculate 99 * 94 =", "choices": {"text": ["9316", "8422", "10190", "9306"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q2667_1d3d_max3d_mult", "question": "Calculate 8 * 668 =", "choices": {"text": ["5354", "5286", "5402", "5344"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9107_2d3d_max3d_mult", "question": "Calculate 78 * 485 =", "choices": {"text": ["34294", "37840", "41366", "37830"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q5916_4d2d_max4d_div", "question": "Calculate 1140 / 20 =", "choices": {"text": ["58", "67", "56", "57"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q4022_1d3d_max3d_mult", "question": "Calculate 8 * 381 =", "choices": {"text": ["3077", "3058", "3048", "3019"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q11295_3d3d_max3d_mult", "question": "Calculate 981 * 448 =", "choices": {"text": ["435781", "443195", "439498", "439488"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q10107_5d2d_max5d_div", "question": "Calculate 46080 / 64 =", "choices": {"text": ["728", "730", "712", "720"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q13051_3d3d_max3d_mult", "question": "Calculate 906 * 321 =", "choices": {"text": ["262543", "290826", "319109", "290836"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q5944_2d2d_max2d_mult", "question": "Calculate 28 * 51 =", "choices": {"text": ["1413", "1438", "1428", "1443"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q7501_2d2d_max2d_mult", "question": "Calculate 96 * 38 =", "choices": {"text": ["3619", "3648", "3677", "3658"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q7071_4d2d_max4d_div", "question": "Calculate 1620 / 60 =", "choices": {"text": ["27", "26", "28", "37"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q12226_3d3d_max3d_mult", "question": "Calculate 271 * 426 =", "choices": {"text": ["115456", "114519", "115446", "116373"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q6776_4d2d_max4d_div", "question": "Calculate 2750 / 50 =", "choices": {"text": ["65", "55", "54", "56"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q9598_3d2d_max3d_mult", "question": "Calculate 149 * 15 =", "choices": {"text": ["2014", "2456", "2235", "2245"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q12372_6d3d_max6d_div", "question": "Calculate 253456 / 868 =", "choices": {"text": ["264", "292", "302", "320"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q6793_2d2d_max2d_mult", "question": "Calculate 76 * 98 =", "choices": {"text": ["7390", "7458", "7448", "7506"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q10002_3d2d_max3d_mult", "question": "Calculate 823 * 49 =", "choices": {"text": ["40337", "36411", "40327", "44243"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q2941_1d3d_max3d_mult", "question": "Calculate 5 * 260 =", "choices": {"text": ["1300", "1285", "1310", "1315"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q8981_5d2d_max5d_div", "question": "Calculate 23994 / 43 =", "choices": {"text": ["503", "558", "613", "568"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q9712_3d2d_max3d_mult", "question": "Calculate 330 * 25 =", "choices": {"text": ["8308", "8250", "8260", "8192"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q8591_2d3d_max3d_mult", "question": "Calculate 11 * 667 =", "choices": {"text": ["7347", "7395", "7337", "7279"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q4603_3d1d_max3d_mult", "question": "Calculate 336 * 5 =", "choices": {"text": ["1695", "1665", "1690", "1680"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q8724_5d3d_max5d_div", "question": "Calculate 38313 / 473 =", "choices": {"text": ["80", "82", "81", "91"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q7815_5d2d_max5d_div", "question": "Calculate 86912 / 97 =", "choices": {"text": ["888", "906", "896", "904"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q10321_5d2d_max5d_div", "question": "Calculate 75696 / 83 =", "choices": {"text": ["912", "922", "904", "920"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q7128_2d2d_max2d_mult", "question": "Calculate 58 * 28 =", "choices": {"text": ["1639", "1634", "1609", "1624"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q10061_2d3d_max3d_mult", "question": "Calculate 75 * 861 =", "choices": {"text": ["64585", "64575", "64111", "65039"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q11939_3d3d_max3d_mult", "question": "Calculate 335 * 379 =", "choices": {"text": ["126038", "127892", "126965", "126975"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q11590_3d3d_max3d_mult", "question": "Calculate 598 * 935 =", "choices": {"text": ["503486", "559130", "559140", "614774"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q8143_2d3d_max3d_mult", "question": "Calculate 34 * 733 =", "choices": {"text": ["24922", "25154", "24690", "24932"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q8439_5d2d_max5d_div", "question": "Calculate 13172 / 74 =", "choices": {"text": ["178", "188", "180", "176"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q3571_4d3d_max4d_div", "question": "Calculate 6678 / 954 =", "choices": {"text": ["7", "8", "6", "17"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q9127_2d3d_max3d_mult", "question": "Calculate 74 * 496 =", "choices": {"text": ["36704", "40240", "36714", "33168"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q4622_1d3d_max3d_mult", "question": "Calculate 5 * 606 =", "choices": {"text": ["3059", "3001", "3040", "3030"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q4486_4d1d_max4d_div", "question": "Calculate 1824 / 2 =", "choices": {"text": ["912", "920", "922", "904"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q11310_3d3d_max3d_mult", "question": "Calculate 802 * 546 =", "choices": {"text": ["437892", "441599", "437902", "434185"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q12293_3d3d_max3d_mult", "question": "Calculate 663 * 308 =", "choices": {"text": ["204214", "202350", "204204", "206058"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q8393_4d2d_max4d_div", "question": "Calculate 8648 / 23 =", "choices": {"text": ["376", "372", "386", "380"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q7069_2d2d_max2d_mult", "question": "Calculate 60 * 27 =", "choices": {"text": ["1620", "1605", "1635", "1630"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q10680_3d3d_max3d_mult", "question": "Calculate 540 * 784 =", "choices": {"text": ["419653", "423370", "423360", "427067"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q8080_5d3d_max5d_div", "question": "Calculate 23161 / 437 =", "choices": {"text": ["63", "54", "52", "53"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q9733_4d2d_max4d_div", "question": "Calculate 7176 / 39 =", "choices": {"text": ["184", "182", "194", "186"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q7937_2d3d_max3d_mult", "question": "Calculate 24 * 498 =", "choices": {"text": ["12068", "11952", "11836", "11962"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q5559_4d2d_max4d_div", "question": "Calculate 1102 / 58 =", "choices": {"text": ["20", "18", "29", "19"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q3731_4d3d_max4d_div", "question": "Calculate 2880 / 320 =", "choices": {"text": ["9", "19", "10", "8"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q5147_4d3d_max4d_div", "question": "Calculate 1274 / 182 =", "choices": {"text": ["6", "7", "17", "8"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q10575_6d3d_max6d_div", "question": "Calculate 171088 / 289 =", "choices": {"text": ["536", "592", "602", "648"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q11623_6d3d_max6d_div", "question": "Calculate 514332 / 819 =", "choices": {"text": ["566", "690", "638", "628"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q10609_3d3d_max3d_mult", "question": "Calculate 120 * 389 =", "choices": {"text": ["46216", "46690", "47144", "46680"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q11950_3d3d_max3d_mult", "question": "Calculate 236 * 141 =", "choices": {"text": ["33508", "33276", "33044", "33286"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q7670_4d2d_max4d_div", "question": "Calculate 7040 / 88 =", "choices": {"text": ["90", "81", "79", "80"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q7445_2d2d_max2d_mult", "question": "Calculate 69 * 31 =", "choices": {"text": ["2149", "2154", "2139", "2124"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q5321_4d2d_max4d_div", "question": "Calculate 3626 / 37 =", "choices": {"text": ["98", "99", "108", "97"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q12722_6d3d_max6d_div", "question": "Calculate 900620 / 919 =", "choices": {"text": ["972", "980", "990", "988"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q3260_4d3d_max4d_div", "question": "Calculate 4795 / 685 =", "choices": {"text": ["6", "7", "17", "8"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q4792_4d1d_max4d_div", "question": "Calculate 6864 / 8 =", "choices": {"text": ["850", "858", "868", "866"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q9189_2d3d_max3d_mult", "question": "Calculate 84 * 342 =", "choices": {"text": ["28738", "28496", "28960", "28728"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q11094_6d3d_max6d_div", "question": "Calculate 574123 / 737 =", "choices": {"text": ["789", "779", "771", "787"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q9223_2d3d_max3d_mult", "question": "Calculate 69 * 929 =", "choices": {"text": ["64565", "63637", "64101", "64111"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q3646_3d1d_max3d_mult", "question": "Calculate 656 * 2 =", "choices": {"text": ["1312", "1327", "1297", "1322"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q12543_3d3d_max3d_mult", "question": "Calculate 221 * 488 =", "choices": {"text": ["108775", "106921", "107848", "107858"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q9584_3d2d_max3d_mult", "question": "Calculate 107 * 93 =", "choices": {"text": ["8972", "10930", "9961", "9951"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q5393_4d2d_max4d_div", "question": "Calculate 1080 / 40 =", "choices": {"text": ["37", "28", "27", "26"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}
{"id": "q7949_5d2d_max5d_div", "question": "Calculate 11730 / 46 =", "choices": {"text": ["265", "255", "253", "257"], "label": ["A", "B", "C", "D"]}, "answerKey": "B", "type_tag": "hard"}
{"id": "q4812_1d3d_max3d_mult", "question": "Calculate 5 * 389 =", "choices": {"text": ["1930", "1955", "1960", "1945"], "label": ["A", "B", "C", "D"]}, "answerKey": "D", "type_tag": "hard"}
{"id": "q8921_5d2d_max5d_div", "question": "Calculate 36900 / 75 =", "choices": {"text": ["492", "502", "496", "488"], "label": ["A", "B", "C", "D"]}, "answerKey": "A", "type_tag": "hard"}
{"id": "q3244_4d3d_max4d_div", "question": "Calculate 4788 / 684 =", "choices": {"text": ["8", "6", "7", "17"], "label": ["A", "B", "C", "D"]}, "answerKey": "C", "type_tag": "hard"}