This worksheet teaches you to use base 10 drawings to add two-digit numbers.

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

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

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

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

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

Use these vocabulary cards with the EL Support Lesson Plan: Comparing Strategies for Three-Digit Addition.

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.

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.

Add multi-digit numbers with ease in this colorful second-grade math worksheet!

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

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.

What do cows like to listen to? To find the answer to this riddle, your kids will need to sharpen their skills in basic addition. So saddle up and let those addition skills go wild!

Adding up big numbers can be tricky. Teach your budding mathematician a helpful trick to keep the numbers in line with carrying!

Children practice writing numbers from expanded forms, and expanded forms from numbers.

Get more practice exploring properties of operations while writing addition equations in this second-grade math worksheet!

Give your kids extra addition practice with this worksheet, which teaches them that it's best to focus on the tens first.

In this worksheets, learn how to add the tens first when using a hundreds chart.

Represent ones and tens with crayons in this fun 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.

Master addition using a place value chart with this engaging second-grade worksheet!

Explore properties of operations while writing addition equations in this second-grade math worksheet!

Practice your addition skills with this inviting second-grade worksheet!

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

Continue exploring properties of operations while writing addition equations in this second-grade math worksheet!

Your second grader and his handy addition skills are needed! Can he help Ralph keep track of his hollyhock's growth?