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