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