Assess your students’ understanding of subtraction by having them solve subtraction problems within 20.

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

Does your little mathematician enjoy the pop of a good balloon? In this sheet, he'll 'pop' balloons that contain addition or subtraction problems that equal 20.

Let's check in on those subtraction skills! Use this math worksheet to assess your students’ understanding of subtraction by having them solve subtraction problems within 20.

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

Master subtraction under 20 with this bright, inviting practice sheet!

It’s time for sunny subtraction within 20 using number bonds with this engaging worksheet!

Practice addition and subtraction within 20 with this sweet Valentine’s Day math puzzle!

Use these fun fruit and vegetable themed math problems to assess your students’ ability to solve subtraction problems within 20.

Learners practice addition and subtraction within 20 in this St. Patrick's Day-themed math puzzle!

Go full speed ahead with your subtraction skill in this engaging math worksheet!

Let this first- and second-grade subtraction worksheet serve as the cherry on top of your fluency practice!

How well do you know your basic subtraction facts? Test your knowledge in this worksheet!

Follow fluency facts to finish this fun first- and second-grade subtraction maze!

Give your first grader a subtraction surprise with this colorful math worksheet!

Stick to subtraction as you solve the problems in this inviting math worksheet!

How strong do you think your subtraction skills are? Find out with this helpful worksheet!

Practice subtraction within 20 with this Halloween math workheet!

Practice subtraction within 20 with this Halloween math workheet!

Find the facts within the number triangles in this engaging subtraction worksheet!

Practice subtraction within 20 with this Halloween math workheet!

Kids practice subtracting within 20 with this watermelon subtraction worksheet.

Test your subtraction skills with this helpful math worksheet!

No need for a submarine to explore the depths of the sea in this bright, colorful subtraction worksheet!

Children practice subtraction within 20 in this fall-themed math worksheet.

Children practice subtraction within 20 in this fall-themed math worksheet.

Children practice subtraction within 20 in this fall-themed math worksheet.

Children practice subtraction within 20 in this fall-themed math worksheet.

Children practice subtraction within 20 in this fall-themed math worksheet.