Subject: Multi-Digit Addition

Arithmetic Puzzles

3-Minute Math Drill: Addition

Beachy Word Problems

Addition & Subtraction: Runaway Signs

Ice Skating: Two-Digit Addition with Regrouping

Coral Reef: Three-Digit Addition with Regrouping

Additional Eggs

Add Three-Digit Numbers

Practice Adding Three-Digit Numbers on an Open Number Line

Add It Up! Three-Digit Numbers

Check Your Work: To Three-Digit Subtraction

Budgeting for a Holiday Meal

Arctic Math: Two-Digit Addition

Coin Op II

Pineapple Math: Two-Digit Addition

Math Notes: Three-Digit Addition

Addition with Carrying 2

Addition with Carrying: Part 1