| 1) | -799 − 298 = | 2) | 941 + 513 = | 3) | 829 − 749 = |
| 4) | 458 + 558 = | 5) | 972 + 244 = | 6) | -549 − 494 = |
| 1) | -799 − 298 = -1097 | 2) | 941 + 513 = 1454 | 3) | 829 − 749 = 80 |
| 4) | 458 + 558 = 1016 | 5) | 972 + 244 = 1216 | 6) | -549 − 494 = -1043 |