Subject: Three-Digit Addition and Regrouping

3-Digit Addition

Addition Practice: Triple Digits

Three-Digit Addition

Adding and Rounding to the Nearest 100

Spring Three-Digit Addition Check-in

Mixed Operation Word Problem Check-in

Math Fluency Checklist

Vocabulary Cards: Comparing Strategies for Three-Digit Addition

Strategy Cards: Three-Digit Addition

Glossary: Comparing Strategies for Three-Digit Addition

Place Value: Expanding Numbers #2

Math-Go-Round: Addition (Expert)

Coral Reef: Three-Digit Addition with Regrouping

Additional Eggs

Add Three-Digit Numbers

Add It Up! Three-Digit Numbers

Math Notes: Three-Digit Addition

Check Your Work: Subtraction