Subtraction Within
| 1 | 1 - 0 = ______________ |  |
| 2 | 2 - 0 = ______________ | |
| 3 | 0 - 0 = ______________ | |
| 4 | 3 - 0 = ______________ | |
| 5 | 8 - 1 = ______________ |  |
| 6 | 7 - 1 = ______________ | |
| 7 | 4 - 0 = ______________ | |
| 8 | 5 - 1 = ______________ | |
| 9 | 10 - 2 = ______________ | |
| 10 | 9 - 2 = ______________ | |
|