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

Improve student's understanding of place value and three-digit numbers with this second grade math worksheet!

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

Practice three-digit subtraction using an open number line with this second-grade math worksheet!

Use this thought-provoking worksheet to facilitate conversations as students seek to compare, contrast, and think deeply about different three-digit numbers.

Learners will solve 10 three-digit multiplication problems in this winter-themed worksheet.

Help your second grader get the hang of three-digit addition with this worksheet that breaks the concept down step by step.

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

Give this worksheet a spin, and you'll be on your way to three-digit addition and subtraction success.

Your child can be a code breaker and practice her multiplication skills. Multiply three-digit numbers on this coded math worksheet, and help a math ninja out!

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.

Reinforce your third grader's subtraction skills with this helpful worksheet that's packed with three digit-subtraction problems.

Use this glossary with the EL Support Lesson Plan: Writing Three-Digit Number Names.

Use this glossary with the EL Support Lesson Plan: Thinking About Three-Digit Numbers.

Get more practice performing three-digit subtraction using an open number line with this second-grade 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.

Enhance your multi-digit multiplication skills with this scaffolded worksheet!

Master multi-digit multiplication with this essential worksheet!

Use these vocabulary cards with the EL Support Lesson Plan: Writing Three-Digit Number Names.

Use these vocabulary cards with the EL Support Lesson Plan: Thinking About Three-Digit Numbers.

Children stretch their regrouping skills as they solve three-digit subtraction word problems.

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

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

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.

Are your students' math skills greater than or less than your expectations? Use this quick assessment to gauge your second graders' understanding of three-digit numbers.

Help your students apply strategies when solving addition problems. This worksheet provides practice for using number lines to solve addition problems with three-digit numbers.

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.

How are your students coming along in their three-digit subtraction skills? Use this spring math assessment to gauge your students' understanding of regrouping and abilities to subtract within 1,000.

In this practice worksheet, students solve 15 three-digit subtraction problems with regrouping.