| 1 |  | Number Sentences | Video | |
| 2 |  | Subtract by Taking Away | Video | |
| 3 |  | Subtracting by Taking Away | Sheet | |
| 4 |  | Subtract by Counting Back | Video | |
| 5 |  | Subtracting by Counting Back | Sheet | |
| 6 |  | Subtract by Finding a Part | Video | |
| 7 |  | Subtraction Equations | Sheet | |
| 8 |  | Vertical Subtraction | Sheet | |
| 9 |  | Subtraction Word Problems | Sheet | |
World-class Singapore Mathematics