| 9 + 0 = _____ | 8 + 0 = _____ |
| 2 + 4 = _____ | 6 + 1 = _____ |
| 7 + 3 = _____ | 4 + 6 = _____ |
| 9 + 0 = _____ | 2 + 1 = _____ |
| 7 + 2 = _____ | 4 + 5 = _____ |
| 4 + 0 = _____ | 7 + 2 = _____ |
| 7 + 1 = _____ | 5 + 0 = _____ |
| 1 + 0 = _____ | 2 + 8 = _____ |
| 3 + 3 = _____ | 1 + 9 = _____ |
| 4 + 4 = _____ | 1 + 0 = _____ |