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

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

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

Review three-digit addition and subtraction by solving these dino-riffic word problems.

Kids solve addition problems with two-digit addends using regrouping on this third grade math worksheet.

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!

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

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.

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!

Students solve addition problems with two-digit addends and no regrouping on this fruit-themed 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!

Kids help Olga the Octopus on this second grade math worksheet by solving subtraction problems with two-digit numbers using regrouping.

This colorful printable--complete with a lovable three-eyed monster--will help your second grader master double-digit addition with carrying!

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

Help your second grader strengthen her two-digit addition skills ... and pretend she's a super hero at the same time!

Practice place value and two-digit addition with this inviting worksheet!

Bolster your third grader's addition skills with at-home practice in three-digit addition.

Practice adding 3 to numbers within 10 with this first-grade addition worksheet!

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.

Get more practice adding two-digit numbers on open number lines with this inviting addition worksheet!

Try this bright worksheet to give your first grader some at-home practice with adding three numbers!

If your child is confident in their addition skills, challenge them to tackle addition with three numbers.

Is addition with regrouping giving your child trouble? Addition problems are fun to solve in this monster-filled worksheet that doubles as a coloring page!

Adding two numbers? Too easy. See if your kindergarten math whiz can add three!