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

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

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

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

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.

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

Get even more fun practice balancing addition and subtraction equations with this lower grades math worksheet!

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

Learn how to use doubles facts to solve other addition problems!

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

Practice addition within 10 with this Halloween math workheet!

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

The butterflies embellishing this adorable worksheet will keep your second grader entertained as they learn how to manage these complex addition problems!

Let your child get in some extra addition practice with this worksheet perfect for carrying beginners.

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

Featuring word problems all about shopping and money, this worksheet is a great way to practice 3-digit addition.

3...2...1...go! Students will apply their knowledge of addition facts with this speedy worksheet!

Put your addition skills to the test with these puzzle boxes for second and third graders!

Here's one way to reinforce addition facts and basic math vocabulary. Your child can add up the numbers and fill in missing signs in these addition problems.

Can your second grader use her addition ability to chart the growth of Augusto's snapdragon?

Add some color to these Christmas presents in this color-by-number mental math worksheet. Kids will exercise addition and subtraction skills.

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

Shape up your addition skills with these square puzzles!

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