| 1) | -783 + 951 = | 2) | -6 − 74 = | 3) | -992 + 580 = |
| 4) | 793 + 130 = | 5) | 108 − 547 = | 6) | 785 + 417 = |
| 1) | -783 + 951 = 168 | 2) | -6 − 74 = -80 | 3) | -992 + 580 = -412 |
| 4) | 793 + 130 = 923 | 5) | 108 − 547 = -439 | 6) | 785 + 417 = 1202 |