Addition Within
| 1 | 9 + 0 = ______________ |          | |
| 2 | 2 + 1 = ______________ |   |  |
| 3 | 6 + 0 = ______________ |       | |
| 4 | 4 + 1 = ______________ |     |  |
| 5 | 0 + 2 = ______________ | |   |
| 6 | 1 + 2 = ______________ |  |   |
| 7 | 5 + 1 = ______________ |      |  |
| 8 | 7 + 0 = ______________ |        | |
| 9 | 8 + 0 = ______________ |         | |
| 10 | 10 + 0 = ______________ |           | |
|