Learners will solve 20 two- and three-digit addition problems in this versatile practice worksheet.

Give students practice adding three-digit numbers within 1,000! 

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

Improve those skills! Practice three-digit addition with these twelve problems.

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

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.

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.

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.

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

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.

This simple worksheet is packed with two-digit and three-digit subtraction problems.

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

Practice two-and three-digit subtraction in this set of school-themed word problems!

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.

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

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.

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.

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

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

Encourage your second grader to embark on a space-themed addition adventure with an entertaining extra: a coloring activity!