| 15 + 3 = _____ | 8 + 6 = _____ |
| 15 + 0 = _____ | 8 + 7 = _____ |
| 10 + 8 = _____ | 9 + 5 = _____ |
| 1 + 19 = _____ | 2 + 6 = _____ |
| 16 + 2 = _____ | 19 + 0 = _____ |
| 11 + 7 = _____ | 16 + 0 = _____ |
| 11 + 4 = _____ | 6 + 0 = _____ |
| 12 + 7 = _____ | 12 + 0 = _____ |
| 18 + 0 = _____ | 12 + 1 = _____ |
| 8 + 4 = _____ | 3 + 9 = _____ |