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4th Grade Three-Digit Numbers Multi-Digit Addition Worksheets

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

Add 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.

Three-Digit Addition: Part 1

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.

Three-Digit Addition: Part 2

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

Three-Digit Addition Cards

Use these vocabulary cards with the EL Support Lesson Plan: Compare & Contrast Addition Strategies.

Vocabulary Cards: Compare & Contrast Addition Strategies

Use this glossary with the EL Support Lesson Plan: Compare & Contrast Addition Strategies.

Glossary: Compare & Contrast Addition Strategies

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