Give your students simple two-digit numbers to practice the decomposition addition strategy! This can be used as a stand-alone activity or in conjunction with the Composing and Decomposing lesson plan.

Sharpen your single-digit addition skills with this helpful first- and second-grade worksheet!

Give your kids extra addition practice with this worksheet, which teaches them that it's best to focus on the tens first.

The decomposing and composing subtraction strategy can be a handy tool for tough three-digit numbers. Use this worksheet to give your students the practice they need to nail down the concept.

In this worksheet, learn how to add the tens first when using a hundreds chart.

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

Practice making 10 to solve equations with this colorful first- and second-grade worksheet! 

Give your young mathematicians practice with number bonds and number sentences in this visually interesting worksheet that has students composing and decomposing numbers.