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

Practice using the number line to count and subtract numbers up to nine in this Hanukkah themed worksheet.

Practice writing subtraction equations using the number line strategy with this first-grade math worksheet!

Get practice writing two-digit subtraction equations using an number line with this first-grade math worksheet!

Get practice writing two-digit subtraction equations using an open number line with this first-grade math worksheet!

Help the frog catch the fly! This entertaining math game will have you students practice adding and subtracting within 20 on a number line.

It’s time to learn more about the equals sign! By filling in missing factors, students learn how the equals sign means “the same as.”

Learn to navigate subtraction in this fun fact fluency worksheet!

Learn to solve subtraction problems at lightning speed with this engaging first-grade worksheet!

Learn to subtract tens with a visual model in this first-grade worksheet!

Learn to subtract multi-digit numbers using ten frames in this helpful first-grade worksheet!

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

Practice simple subtraction with your child. She can play the "Fish for Answers" game to learn math facts!

Give your first grader a great visual learning game, where he can "Fish for Answers" and learn his math facts!

Kids will learn more about inverse operations by reviewing their subtraction problems. Use addition, the inverse of subtraction, to review problems.

Addition and subtraction fact families are blasting off the page. They're grouped neatly together and ready for your kid to learn them backwards and forwards.

Who knew math could be as fun as fishing? This great "Fishing for Answers" series will help your child learn her addition and subtraction facts.

Practice is the best way for children to get a handle on arithmetic. This 1st grade math worksheet will help your child learn basic subtraction.

Math got your child down in the dumps? Just go fishing! Play the "Fish for Answers" game to learn simple addition and subtraction.

'Pop' the balloons with equations that equal 19 in this fun mental math worksheet. Have fun and learn math with this balloon buster game.

Math is about more than just numbers, there's a whole new vocabulary to learn, too! In this fun worksheet, first graders will become familiar with words related to subtraction as they practice their math skills.

Sharpen first graders’ subtraction skills with this colorful ten frames matching worksheet!

Get more practice balancing addition and subtraction equations with this lower grades math worksheet!

Get even more fun practice balancing addition and subtraction equations with this lower grades math worksheet!

Your first grader will improve their rusty subtraction facts with this fun printable!

Even basic addition can be a toughie, so let your pride shine through with this addition worksheet that boasts a blue ribbon in the corner.

In this worksheet, students use the hundreds chart to crack the code and find the hidden treasure.

Want to soothe those subtraction woes? Cupcakes to the rescue! This neat, sweet worksheet will guide your kid through subtraction facts.