| 10 + 6 = _____ | 20 - 6 = _____ |
| 12 - 3 = _____ | 15 + 0 = _____ |
| 15 - 0 = _____ | 11 - 7 = _____ |
| 4 + 10 = _____ | 9 - 0 = _____ |
| 10 + 4 = _____ | 4 + 3 = _____ |
| 20 - 14 = _____ | 13 + 0 = _____ |
| 19 + 1 = _____ | 18 - 12 = _____ |
| 1 + 5 = _____ | 15 + 2 = _____ |
| 12 + 4 = _____ | 10 - 7 = _____ |
| 6 - 0 = _____ | 15 + 2 = _____ |