Adding numbers within 20 is as easy as counting balloons with this colorful and simple worksheet.

Use these animal themed math problems to assess your students’ ability to solve addition problems within 20.

Practice writing addition equations within 20 with this inviting and accessible math worksheet!

One more vegetable! This worksheet will have your students figuring out what happens when you add one more vegetable to the existing list.

Kindergarten students are excited to practice their addition skills. As they grow to become better mathematicians, use this fun worksheet to help them understand what happens when you add one more.

Help students learn simple addition by exploring the concept of "plus one" in this worksheet.

Get more practice writing addition equations within 20 with this inviting math worksheet!

Get more practice writing addition equations within 20 with this inviting math worksheet!

Get more practice writing addition equations within 20 with this inviting and accessible math worksheet!

Get more practice writing addition equations within 20 with this inviting and accessible math worksheet!

Get more practice writing addition equations within 20 with this inviting and accessible math worksheet!

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

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

Help your child learn the basic idea behind addition with this leafy math worksheet.

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

Build numbers up to 10 with this treat-themed number bond worksheet created for early learners!

This worksheet is a fun way to help preschoolers and kindergarteners work on counting and ease into addition. This one has a food theme. How many yummy treats are there?

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

The second 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!

The fourth 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!

Practice addition facts with this pie-themed worksheet for kindergarteners and first graders!

Ensure your math studies go swimmingly by practicing addition fact fluency!

Test your addition knowledge in this charming worksheet!

Learn your doubles facts with dominoes in this simple addition worksheet!

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

This picture addition worksheet is great for helping kids learn the basics of arithmetic.

Make the leap from counting to addition with this fun picture addition activity.

Children will count and add rainbows, shamrocks, harps, and even sheep in this playful St. Patrick's Day math worksheet.