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

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.

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

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

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.

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