| 1) | 4 + 1 = | 2) | 6 + 9 = | 3) | -4 − 8 = | 4) | -4 + 10 = |
| 5) | -7 − 9 = | 6) | 5 − 8 = | 7) | 4 − 2 = | 8) | -4 + 7 = |
| 1) | 4 + 1 = 5 | 2) | 6 + 9 = 15 | 3) | -4 − 8 = -12 | 4) | -4 + 10 = 6 |
| 5) | -7 − 9 = -16 | 6) | 5 − 8 = -3 | 7) | 4 − 2 = 2 | 8) | -4 + 7 = 3 |