1st grade Addition Within 20 Printable Worksheets

Help children make the connection between addition and subtraction with this appealing worksheet!

Use this number line as a tool to practice adding and subtracting within 20.

Word problems are a great way to apply math knowledge to real-world situations. Check in on your first graders’ abilities to solve addition word problems with this handy assessment.

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

Can your child use her addition and subtraction knowledge to put the numbers where they need to go?

Your first grader will get some practice with beginning word problems as he puts together some tasty burgers.

Print these handy number cards on card stock and use them to practice number recognition and basic facts. For a fun twist, cards can be used to play Addition Number Grab, a variation of War!

This fact family worksheet gets kids to add and subtract. In this fact family worksheet, third graders will fill in the missing numbers in fact family houses.

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.

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

Build math and reading skills with some sweet Valentine's Day word problems! Kids will practice basic addition and subtraction.

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

Practice addition from a different approach with these number stories. Find the addition equation in each word problem.

It's time to check in on those addition skills! Use this math activity to assess your students’ understanding of addition by having them solve addition problems within 20.

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

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.

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

Uh-oh, the numbers have gone missing! Help students learn that the equals sign means “the same as” as they fill in missing factors to balance the equations.

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.

Have your child work backwards to solve addition problems and learn more about the additive inverse.

Your child will practice subtraction, by using inverse operations. Find the missing numbers to solve the subtraction problems.

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.

These scales need balancing! By filling in missing addends, this worksheet helps students understand how an equals sign means “the same as.”

Kids love it when things are fair! Help students make equal groups of toys while exploring how the equals sign means “the same as.” Students will draw the missing objects and write the missing factors to balance the equations.