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

Practice adding one to numbers within 10 with this first-grade 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.

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

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

This addition page is a hoot! Help your kid practice math facts with this owl color-by-number printable!

Your student will practice her addition skills with this number line worksheet. Skip along the number line to solve the addition problem!

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

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

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

Not only does this worksheet bolster kids' addition skills, it's a great mental math exercise, too.

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

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.

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

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

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

Complete the number sentence by counting left and right on a number line. Can your child find all the missing numbers?

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

Make one big jump, then make little jumps to find the answer. Your child will practice his addition skills by counting the numbers on the number line.

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.

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.

In this 1st grade math worksheet, your child will complete each addition problem, then determine whether the answer is an odd or even number.