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!

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!

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!

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

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!

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?

Doubling as a coloring page, this is not your average math worksheet. Children solve the addition problems using carrying, then break out the crayons.

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

Practice those money and math skills with this delicious worksheet! Cut out the paper coins and use them to buy candy.

Once she's added up the numbers in this 2nd grade math worksheet, your child will use her answers to uncover a hidden word.

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

Your second grader will finally want to practice at-home addition when it involves super heroes and extraordinary powers!

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

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.

Word problems make for great assessment tools because they require a complete understanding of the math concepts. Use this assessment to evaluate your students' abilities to add and subtract three-digit numbers using mixed operation word problems.