| 1) | 835 − 936 = | 2) | -360 + 61 = | 3) | -773 + 988 = |
| 4) | -253 − 724 = | 5) | 533 − 350 = | 6) | -746 − 671 = |
| 1) | 835 − 936 = -101 | 2) | -360 + 61 = -299 | 3) | -773 + 988 = 215 |
| 4) | -253 − 724 = -977 | 5) | 533 − 350 = 183 | 6) | -746 − 671 = -1417 |