| 1) | -897 + 675 = | 2) | 619 − 317 = | 3) | -771 − 834 = |
| 4) | -486 − 687 = | 5) | -707 + 863 = | 6) | -249 − 942 = |
| 1) | -897 + 675 = -222 | 2) | 619 − 317 = 302 | 3) | -771 − 834 = -1605 |
| 4) | -486 − 687 = -1173 | 5) | -707 + 863 = 156 | 6) | -249 − 942 = -1191 |