| 1) | -404 + 598 = | 2) | 9 + 498 = | 3) | -621 + 653 = |
| 4) | -301 − 854 = | 5) | 218 + 676 = | 6) | -260 + 556 = |
| 1) | -404 + 598 = 194 | 2) | 9 + 498 = 507 | 3) | -621 + 653 = 32 |
| 4) | -301 − 854 = -1155 | 5) | 218 + 676 = 894 | 6) | -260 + 556 = 296 |