| 1) | -577 − 669 = | 2) | -697 + 144 = | 3) | 981 − 718 = |
| 4) | 134 − 906 = | 5) | 708 + 783 = | 6) | -302 − 84 = |
| 1) | -577 − 669 = -1246 | 2) | -697 + 144 = -553 | 3) | 981 − 718 = 263 |
| 4) | 134 − 906 = -772 | 5) | 708 + 783 = 1491 | 6) | -302 − 84 = -386 |