| 1) | -432 − 815 = | 2) | -983 − 573 = | 3) | -107 + 138 = |
| 4) | -84 − 889 = | 5) | -187 + 938 = | 6) | -83 + 10 = |
| 1) | -432 − 815 = -1247 | 2) | -983 − 573 = -1556 | 3) | -107 + 138 = 31 |
| 4) | -84 − 889 = -973 | 5) | -187 + 938 = 751 | 6) | -83 + 10 = -73 |