Practice three-digit addition with regrouping in this set of 36 problems.

Match your way to division mastery in this inviting, rainbow-colored worksheet!

Math ninjas can learn the secrets of the rectangle with this practice page about the area and perimeter of a rectangle.

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

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