Sign Up
School Account Sign Up
Use your knowledge of place value to line up and add or subtract numbers! Line up these completed lessons to earn this badge.
| Resource | Subject | |
|---|---|---|
| 1 | Add and Regroup | Math |
| 2 | Regroup and Subtract: 2 Digits | Math |
| 3 | Number Lines: Operations and Comparing Integers | Math |
