| 1) | -462 + 660 = | 2) | 82 − 937 = | 3) | 602 − 315 = |
| 4) | 730 − 822 = | 5) | -727 + 391 = | 6) | 920 + 869 = |
| 1) | -462 + 660 = 198 | 2) | 82 − 937 = -855 | 3) | 602 − 315 = 287 |
| 4) | 730 − 822 = -92 | 5) | -727 + 391 = -336 | 6) | 920 + 869 = 1789 |