what are the rules for rounding numbers
Rules For Rounding Numbers. 1  Numbers can be rounded to the nearest ten, the nearest hundred, the nearest thousand, the nearest million, and so on. 2  If the number you are rounding is followed by 5, 6, 7, 8, or 9, round the number up.  If the number you are rounding is followed by 0, 1, 2, 3, or 4, round the number down.