| 1) | -739 + 140 = | 2) | -628 − 128 = | 3) | 254 + 459 = |
| 4) | 328 + 927 = | 5) | 739 − 634 = | 6) | -919 − 513 = |
| 1) | -739 + 140 = -599 | 2) | -628 − 128 = -756 | 3) | 254 + 459 = 713 |
| 4) | 328 + 927 = 1255 | 5) | 739 − 634 = 105 | 6) | -919 − 513 = -1432 |