Number bonds are a great way for your kids to explore the relationship between addition and subtraction. By filling in the missing numbers, students get experience with fact families.

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

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.

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

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

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

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.

Your child will help by completing fact family houses with the information given. Then, she will use the word bank to fill out sentences about her observations.

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

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

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

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

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

Your child will enjoy cutting and pasting while solving problems to fill in the missing information.

Count, add, and compose numbers under 20 in this colorful first-grade worksheet!

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