Get even more practice performing three-digit addition using open number lines with this second-grade math worksheet!

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.

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

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

Practice three-digit addition using open number lines with this second-grade math worksheet!

Get more practice performing three-digit addition using open number lines with this second-grade math 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.

Learn to perform addition with three-digit numbers in this essential worksheet!

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

With this worksheet, your second graders will be adding up two-digit and three-digit numbers with ease.

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

Work with doubles and hone your addition skills in this helpful math worksheet!

Draw on your knowledge of doubles to solve these addition problems!

Practice identifying doubles facts with this appealing worksheet!

Decode the hidden image with your two-digit addition skills in this tricky hundred chart worksheet!

Direct the bunny towards a tasty treat by solving addition problems in this first- and second-grade worksheet!

The decomposing and composing subtraction strategy can be a handy tool for tough three-digit numbers. Use this worksheet to give your students the practice they need to nail down the concept.

Let's see how those addition skills have blossomed over the course of the year! Use this quick math assessment to gauge your students' abilities to add three-digit numbers, both with and without regrouping.

Master addition with ten frames in this colorful worksheet!

Boost your learners' addition and subtraction skills using number line models and real-world scenarios!