| 4 + 2 = | _____ | 2 + 5 = | _____ |
| 6 - 5 = | _____ | 8 - 4 = | _____ |
| 3 + 5 = | _____ | 9 - 2 = | _____ |
| 1 + 2 = | _____ | 3 + 3 = | _____ |
| 3 + 3 = | _____ | 10 - 4 = | _____ |
| 10 - 5 = | _____ | 10 - 6 = | _____ |
| 3 + 2 = | _____ | 2 + 2 = | _____ |
| 2 + 7 = | _____ | 1 + 6 = | _____ |
| 9 - 4 = | _____ | 9 - 2 = | _____ |
| 2 + 7 = | _____ | 3 + 1 = | _____ |