| 1) | -863 + 928 = | 2) | -676 − 670 = | 3) | -100 + 477 = |
| 4) | -999 − 37 = | 5) | -523 + 604 = | 6) | -79 + 444 = |
| 1) | -863 + 928 = 65 | 2) | -676 − 670 = -1346 | 3) | -100 + 477 = 377 |
| 4) | -999 − 37 = -1036 | 5) | -523 + 604 = 81 | 6) | -79 + 444 = 365 |