| 1) | -8 + 8 = | 2) | -1 − 6 = | 3) | -9 − 10 = | 4) | 5 + 3 = |
| 5) | -3 − 6 = | 6) | -6 − 6 = | 7) | -8 − 6 = | 8) | 9 + 3 = |
| 1) | -8 + 8 = 0 | 2) | -1 − 6 = -7 | 3) | -9 − 10 = -19 | 4) | 5 + 3 = 8 |
| 5) | -3 − 6 = -9 | 6) | -6 − 6 = -12 | 7) | -8 − 6 = -14 | 8) | 9 + 3 = 12 |