| 1) | -985 + 360 = | 2) | -683 − 21 = | 3) | -902 − 944 = |
| 4) | -708 + 498 = | 5) | -523 − 526 = | 6) | 207 + 40 = |
| 1) | -985 + 360 = -625 | 2) | -683 − 21 = -704 | 3) | -902 − 944 = -1846 |
| 4) | -708 + 498 = -210 | 5) | -523 − 526 = -1049 | 6) | 207 + 40 = 247 |