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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.

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

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

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!

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.

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

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

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.

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

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

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

Practice three-digit addition with regrouping in this set of 36 problems.

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

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

Use this glossary with the EL Support Lesson Plan: Comparing Strategies for Three-Digit Addition.

Kids use details from the word problems on this third grade math worksheet to construct and solve addition problems with two or three two-digit addends.

Can your second grader help an outgoing octopus with some two-digit subtraction problems?

Use these strategy cards to help students develop their compare and contrast skills, along with deepening their understanding of 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!

In this worksheet that contains a storyline about a bakery, students will solve two-step, three-digit addition problems.

Hone your addition skills with this engaging near-doubles worksheet!

Want to bulk up your second grader's two-digit addition skills? This super hero-themed worksheet will do the trick!

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

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

Does your second grader need a math boost? Help her get a grip on her two-digit addition skills--and a super power--with this dynamic 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.

Make two-digit addition easier with this inviting worksheet!