This worksheet is a fun way to practice skip counting by nine, addition facts, and number sense skills.

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

Try solving near-doubles facts with these nine problems!

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

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

Give students practice adding three-digit numbers within 1,000! 

Learners will solve 20 two- and three-digit addition problems in this versatile practice worksheet.

Children will put their three-digit addition skills to the test as they solve 23 practice problems in this math worksheet.

Help first and second graders practice solving near-doubles facts using this fun worksheet!

An adorable whale is here to help your child practice addition and learn about inequalities in this cheerful 2nd grade math worksheet.

Children practice finding the sum of two three-digit whole numbers, with no regrouping, in this math worksheet.

Improve those skills! Practice three-digit addition with these twelve problems.

This coloring page dot-to-dot uses skip counting as an unexpected way to tie in multiplication learning and reviewing multiples of three!

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

3...2...1...go! Students will apply their knowledge of addition facts with this speedy 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 place value to add three-digit numbers with this second-grade worksheet!

Children play the artist and mathematician in this second grade math worksheet that offers practice in two-digit addition with carrying and coloring, too!

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