It's time to check those addition skills! Use this to assess your student’s abilities to add within 20.

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.

Count and add the Thanksgiving pictures in this simple addition worksheet! 

Practice adding one to numbers within 10 with this first-grade addition worksheet!

Time for school! Have your first grader take a look at this school (school of fish, that is) and solve the addition problems.

Add numbers within 20 using ten frames with this first-grade math worksheet!

Looking for a different way to engage your child with his addition facts? This color by number underwater scene might do the trick!

If your child is looking for a number challenge, we've got the worksheet for her. She may be a whiz at adding two numbers, but can she add three numbers?

Let's see those addition skills! Use this math assessment to check in on your students’ abilities to add three numbers by having them solve these problems.

This hundred chart worksheet makes adding ten easy!

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

Practice finding missing numbers while adding within 20 using ten frames!

Practice addition within 100 using open number lines with this 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.

Your students have been plugging away at their math skills all year. Now it's time to put those skills to the test! Use this math assessment to check in on your students’ abilities to add 10 to two-digit numbers.

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

It’s time for students to make their own number bonds! In this activity, students will be given number sentences to solve and represent using number bonds.

Use the mat to give students extra practice composing a 10 as they learn to add to 20.

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.

This worksheet takes your child a step farther than one-digit addition. As he completes the page, he'll learn to add a two-digit number to a one-digit number.

Students learn to decompose numbers through this fun activity. After being given a number, young mathematicians come up with their own way to decompose the number into two different numbers.

Help your students apply strategies when solving addition problems. This worksheet provides practice for using number lines to solve addition problems with three-digit numbers.

Kids add, subtract, or use math facts they have committed to memory to fill in the missing numbers in the fact families on this second grade math worksheet.

Let's see how those addition skills have blossomed over the course of the year! Use this quick math assessment to gauge your students' abilities to add three-digit numbers, both with and without regrouping.

Kids practice adding numbers with sums up to 20 and writing the sums on this fruit-themed first grade math worksheet.