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

Kids solve addition problems with three-digit addends to move from bubble to bubble on this second grade math worksheet.

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

Encourage your second grader to work carefully--like the slow and steady snails adorning this worksheet--to finish these double-digit addition 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.

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.

Once your second grader finishes rewriting and solving these challenging double-digit addition problems, they'll get an entertaining reward!

Use these cards to help students see the difference between adding three-digit numbers using the standard algorithm and expanded notation.

Add like mad with our thrilling addition worksheet! This three-minute math drill gets your child racing to complete all the addition equations on the page.

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.

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.

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.

Children learn how to compare numbers using the greater than and less than symbols in this cheerful 2nd grade addition worksheet.

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.

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