| 1) | -8 − 2 = | 2) | 7 − 7 = | 3) | -4 − 10 = | 4) | -7 − 7 = |
| 5) | 1 + 1 = | 6) | -5 + 5 = | 7) | 4 + 2 = | 8) | 4 + 8 = |
| 1) | -8 − 2 = -10 | 2) | 7 − 7 = 0 | 3) | -4 − 10 = -14 | 4) | -7 − 7 = -14 |
| 5) | 1 + 1 = 2 | 6) | -5 + 5 = 0 | 7) | 4 + 2 = 6 | 8) | 4 + 8 = 12 |