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.

Learn to break apart numbers and form 10 in this helpful addition worksheet!

Get more practice decomposing numbers and writing equations with this inviting math worksheet!

The second in a series of six, this addition worksheet gives learners more practice composing numbers 11–19!

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

Practice decomposing numbers and writing equations with this kindergarten and first-grade math worksheet!

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

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

Get more practice decomposing numbers and writing equations with this inviting math worksheet!

Get more practice decomposing numbers and writing equations with this inviting math worksheet!

Get more practice decomposing numbers and writing equations with this inviting math worksheet!

Get more practice decomposing numbers and writing equations with this inviting math worksheet!

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

Give your young math learner practice composing numbers 11–19 with this addition strategies worksheet!