| 1) | -5 − 7 = | 2) | 2 + 7 = | 3) | 9 + 6 = | 4) | 7 + 3 = |
| 5) | -1 + 6 = | 6) | -2 − 2 = | 7) | 7 − 8 = | 8) | -2 − 1 = |
| 1) | -5 − 7 = -12 | 2) | 2 + 7 = 9 | 3) | 9 + 6 = 15 | 4) | 7 + 3 = 10 |
| 5) | -1 + 6 = 5 | 6) | -2 − 2 = -4 | 7) | 7 − 8 = -1 | 8) | -2 − 1 = -3 |