In this math puzzle, children must solve a variety of equations to find each of eight clues to find the integers that make up an eight-digit number.

Kids work with place value up to the ten thousands place on this handy 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.

Hone your rounding skills with this helpful worksheet!

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