Estimate the sum in each of these math problems. Challenge your child to round to the nearest hundred first, then add the two rounded numbers.

Create models of addition problems with this compensation worksheet for second and third graders!

Hop, skip, and jump using compensation in this second- and third-grade addition worksheet!

This underwater-themed worksheet is a playful way for learners to practice solving multi-step word problems.

Sharpen your mental math skills with this second- and third-grade compensation worksheet! 

Practice adding two-digit numbers with this compensation worksheet for second and third graders!

Practice the properties of addition with this colorful worksheet for third graders!

Use a visual model to solve these two-digit addition problems!

Bolster your knowledge of the associative property of addition in this charming worksheet!

Color your way to commutative confidence with this creative worksheet!

Practice adding multi-digit numbers in this second- and third-grade worksheet!

Test your addition skills with this helpful hundred chart worksheet!