How do you make learning addition and subtraction facts fun? Try your hand at "popping" colorful balloons showing a sum or difference of eleven!

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.

It's time to check in on those subtraction skills! Use this to assess your student’s abilities to subtract within 20.

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

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

Help your first grader practice subtraction with a colorful worksheet that's fun to look at and complete!

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

Make math facts fun with this series of "Fishing for Answers" addition and subtraction games!

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!

Monster mathematicians, here is a haunting Halloween math sheet full of addition and subtraction word problems to boost brainpower!

Help Santa color his gifts. With some math know-how and a few festive crayons, your child just might save Christmas.

Help your little elf get some Christmas math practice in with these holiday word problems. He'll work on subtraction, division, and more in this 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.