| 1) | -753 − 739 = | 2) | 105 − 764 = | 3) | 28 − 418 = |
| 4) | -203 − 160 = | 5) | -897 + 95 = | 6) | 518 + 660 = |
| 1) | -753 − 739 = -1492 | 2) | 105 − 764 = -659 | 3) | 28 − 418 = -390 |
| 4) | -203 − 160 = -363 | 5) | -897 + 95 = -802 | 6) | 518 + 660 = 1178 |