standard_description: Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.
problem_activity: Complete the following chart:
{"table": [{"_attributes": {"align": "Center", "class": ["table", "table-bordered"], "style": "table-layout:fixed; width:100%"}, "tbody": [{"tr": [{"td": [{"_attributes": {"style": "background-color:#eeeeee; text-align:center"}, "strong": [{"_value": "Standard Form"}]}, {"_attributes": {"style": "background-color:#eeeeee; width: 40%; text-align:center"}, "strong": [{"_value": "Word Form"}]}, {"_attributes": {"style": "background-color:#eeeeee; width: 40%; text-align:center"}, "strong": [{"_value": "Expanded Form"}]}]}, {"td": [{}, {}, {"_attributes": {"style": "text-align:center"}, "span": [{"_attributes": {"class": ["math-tex"]}, "_value": "$$(4\\times1)+\\left(6\\times\\frac{1}{100}\\right) + \\left(3\\times{\\frac{1}{1,000}}\\right)$$"}]}]}, {"td": [{}, {"_attributes": {"style": "text-align:center"}, "_value": "thirty-five thousandths"}, {}]}, {"td": [{"_attributes": {"style": "text-align:center"}, "_value": "42.905"}, {}, {}]}]}]}]}


aligns: no