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Add it up! Assess your students’ understanding of addition by having them solve addition problems within 20.

Use this glossary with the EL Support Lesson Plan: Adding Within 20.

Gain expertise with addition sentences within 20 in this helpful math worksheet!

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

Use these vocabulary cards with the EL Support Lesson Plan: Adding Within 20.

It's time to check those addition skills! Use this to assess your student’s abilities to add within 20.

It's time to check in on those addition skills! Use this math activity to assess your students’ understanding of addition by having them solve addition problems within 20.

Master the math of making 10 and 20 with two addends in this helpful addition worksheet!

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

Practice finding missing numbers while adding within 20 using ten frames!

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!

Achieve addition mastery in this engaging math quest!

It’s not magic, it’s math! Practice finding correct sums to addition problems in this inviting worksheet.

Double your knowledge of doubles with the help of this inviting addition worksheet!

Make your way through a maze of addition problems in this engaging worksheet!

Shape up your addition skills with these square puzzles!

Let’s see how well you know your addition facts!

Strengthen your fluency skills with this beach-themed addition worksheet for first and second graders!

Master your addition facts with this colorful, inviting math worksheet!

Practice addition while solving number puzzles in this engaging worksheet for first and second graders!

Solve math puzzles so you aren’t puzzled by addition problems in the future!

Practice addition within 20 with this Halloween math workheet!

Test your addition skills in an underwater adventure with this inviting worksheet!

Buzz through some two-digit addition problems with your second grader!

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

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

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

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

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