| 1) | 10 − 6 = | 2) | -3 + 2 = | 3) | -7 + 1 = | 4) | 7 + 7 = |
| 5) | 4 − 10 = | 6) | 10 + 2 = | 7) | -9 + 3 = | 8) | 8 − 1 = |
| 1) | 10 − 6 = 4 | 2) | -3 + 2 = -1 | 3) | -7 + 1 = -6 | 4) | 7 + 7 = 14 |
| 5) | 4 − 10 = -6 | 6) | 10 + 2 = 12 | 7) | -9 + 3 = -6 | 8) | 8 − 1 = 7 |