Use this glossary with the EL Support Lesson Plan: Comparing Strategies for Three-Digit Addition.

Use these strategy cards to help students develop their compare and contrast skills, along with deepening their understanding of three-digit addition.

Let's see those addition skills! Use this math assessment to check in on your students’ abilities to add three numbers by having them solve these problems.

Use these vocabulary cards with the EL Support Lesson Plan: Comparing Strategies for Three-Digit Addition.

Use place value to add three-digit numbers with this second-grade worksheet!

Challenge yourself to solve three-digit addition problems in this colorful worksheet!

How are your students coming along in their three-digit addition skills? Use this spring math assessment to gauge your students' abilities to add within 1,000.

Your second grader won't mind practicing double-digit addition--with carrying--with the company of a pretty purple partner!

Use this worksheet to continue practice with two addition strategies: expanded notation and standard algorithm. Students will be challenged to solve three-digit addition problems and then check their work using multiple methods.

Use this worksheet to practice two strategies for solving three-digit addition problems. Students will flex their math muscles as they use both the expanded notation and standard algorithm strategies to solve challenging math problems.

Get even more practice making balanced equations with this first-grade math worksheet!

Send your second grader on an underwater double-digit addition challenge!

Use your knowledge of place value to solve addition problems with this first- and second-grade worksheet!

Help your students apply strategies when solving addition problems. This worksheet provides practice for using number lines to solve addition problems with three-digit numbers.

Lettuce practice addition fluency skills with this first-grade worksheet!

Practice addition and subtraction with this first-grade hundred chart worksheet!

Get even more practice adding tens on an open number line with this first-grade math worksheet!

Kids use details from the word problems on this third grade math worksheet to construct and solve addition problems with two or three two-digit addends.

Regroup ones into tens to add in this engaging first-grade worksheet!

Once she's added up the numbers in this 2nd grade math worksheet, your child will use her answers to uncover a hidden word.