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

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

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.

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

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

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

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

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

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

Practice addition within 100 using open number lines with this first-grade math worksheet!

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

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.

Practice addition within 10 with this Halloween math workheet!

Get more practice adding two-digit numbers on open number lines with this inviting addition worksheet!

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 adding two-digit numbers on open number lines with this inviting addition worksheet!

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?

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 practice adding numbers with sums up to 20 and writing the sums on this fruit-themed 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.

Single-digit addition is a leap away using number lines like the ones on this worksheet.

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.

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.

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.

Practice adding tens on an open number line with this first-grade math worksheet!