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

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

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

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

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

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.

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

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!

Practice multi-digit addition with this hundred chart worksheet for second graders! 

This worksheet teaches you to use base 10 drawings to add two-digit numbers.

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

Test your talent in two-digit addition with this colorful math worksheet!

Master two-digit addition with these hundred chart problems!

Master two-digit addition in this second-grade worksheet!

Practice place value and two-digit addition with this inviting 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 two-digit addition with the help of place value charts!

Sail smoothly through addition practice with this hundred chart worksheet for first and second graders!

Make two-digit addition easier with this inviting worksheet!

Tackle two-digit addition with place value charts in this helpful worksheet!

Hone your two-digit addition skills in this essential worksheet!

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

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

Practice adding multi-digit numbers in this second- and third-grade worksheet!

Use a visual model to solve these two-digit addition problems!

Practice adding two-digit numbers with this compensation worksheet for second and third graders!