| 1) | 966 + 782 = | 2) | -887 + 128 = | 3) | -198 − 499 = |
| 4) | 95 − 131 = | 5) | -360 + 624 = | 6) | 778 − 576 = |
| 1) | 966 + 782 = 1748 | 2) | -887 + 128 = -759 | 3) | -198 − 499 = -697 |
| 4) | 95 − 131 = -36 | 5) | -360 + 624 = 264 | 6) | 778 − 576 = 202 |