| 1) | -649 + 5 = | 2) | -928 + 238 = | 3) | 538 + 562 = |
| 4) | -749 − 186 = | 5) | 234 + 76 = | 6) | 368 + 593 = |
| 1) | -649 + 5 = -644 | 2) | -928 + 238 = -690 | 3) | 538 + 562 = 1100 |
| 4) | -749 − 186 = -935 | 5) | 234 + 76 = 310 | 6) | 368 + 593 = 961 |