Each yummy cupcake in this worksheet contains a number. In this place value math worksheet, kids match each number to its written equivalent.

Round 'Em Up! Kids learn how to round to the nearest ten and the nearest hundred on this third grade math worksheet.

On this third grade math worksheet, kids round to estimate the difference between two numbers, a useful strategy for checking the results of calculations.

On this third grade math worksheet, kids round to estimate the sum of two numbers, a useful strategy for checking the results of calculations.

Kids solve addition problems with three-digit addends to move from bubble to bubble on this second grade math worksheet.