| 7 + 12 = _____ | 2 - 0 = _____ |
| 10 - 6 = _____ | 15 - 9 = _____ |
| 15 + 5 = _____ | 2 - 2 = _____ |
| 8 + 11 = _____ | 1 - 1 = _____ |
| 9 - 6 = _____ | 10 - 1 = _____ |
| 9 - 6 = _____ | 16 + 1 = _____ |
| 2 + 2 = _____ | 12 + 1 = _____ |
| 4 - 3 = _____ | 17 + 3 = _____ |
| 12 + 8 = _____ | 15 + 4 = _____ |
| 14 - 8 = _____ | 11 - 0 = _____ |