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Addition within 20 Resources

If your students have mastered adding numbers under 10, move them on up with these resources for adding numbers within 20. These worksheets provide students with plenty of practice adding. There are also several lesson plans to give you ideas for teaching students how to add numbers within 20. If students struggle, you may want to review our addition within 10 lesson plans.

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Addition within 20

Fish Bowl Addition

Kids help Birdee and Cuz-Cuz count up all the fish they won in this addition game.

Practice Test: Word Problems

This quick practice test offers simple addition and subtraction word problems to help your first grader review.

Bubble Buster: Addition to 20

Kids must move fast to find addition pairs that total a target sum within 20.

Addition Mission: Facts Practice

This workbook gives first graders lots of practice with addition and the various concepts within the addition family.

Tasty Addition Practice

Make addition delicious! Kids will practice adding single-digit numbers with the help of some worksheets that are all about food.

All in the Fact Family

Number sentences make more sense when picking apart fact families and putting them back together! This colorful workbook helps kids make connections between addition and subtraction.

Elevens Card Game

Looking for a cool game to help your first grader learn her 11s? Look no further than this clever one-person card game.

Find the Math Path

Give your child practice with his math skills with this printable worksheet, which is all about subtraction and addition.

Owl Color-by-Number

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

Secret Agent Subtraction

Help Agent 00K9 defeat the evil El Gato in this subtraction number line game.

Math Facts Secret Codes

For most second graders, a good secret code is just about irresistible. Here's one that builds math facts while you're at it!

Fish School Addition

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

Addition and Subtraction Practice

Brush up on addition and subtraction with these math worksheets that will challenge your third grader.

Addition and Subtraction Practice

Help your second grader get a good review of adding and subtracting double-digits with this practice sheet.

Secret Agent Addition

Only your kid's addition skills can help Secret Agent Floyd defeat the evil El Gato.

Addition: Space Math

Kids practice adding numbers with addends up to 10 and writing the sums on this space-themed kindergarten math worksheet.

Bowling for Addition

Use empty soda bottles to create a fun bowling set that helps your first grader practice addition skills!

Addition Math Puzzles

Put your second grader's math skills to the test with mathematical puzzle boxes. He'll practice doing addition facts in his head, and build logic skills.

Math Facts Game

Math Facts Game: A mix of musical chairs and Twister meets math. Nipping multiplication problems in the bud was never this much fun!

Jack and the Beanstalk Fun Pack

This workbook tells the story of Jack and the Beanstalk. Read, count and measure along with Jack!

Fact Family Houses

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.

Math Crossword Puzzles for Kids

Make math more enjoyable with these simple math crossword puzzles for kids!

Math Fact: Relationship Between Addition & Subtraction

Kids add, subtract, or use math facts they have committed to memory to fill in the missing numbers in the fact families on this third grade math worksheet.

Ring the Bottle: A Math Carnival Game

Nothing chases the blues away like a trip to the boardwalk. Bring the fun home with this do-it-yourself version that sneaks in some math practice.

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