| 1) | 107 + 362 = | 2) | -771 + 915 = | 3) | 306 − 930 = |
| 4) | -480 + 147 = | 5) | -9 + 772 = | 6) | -781 − 641 = |
| 1) | 107 + 362 = 469 | 2) | -771 + 915 = 144 | 3) | 306 − 930 = -624 |
| 4) | -480 + 147 = -333 | 5) | -9 + 772 = 763 | 6) | -781 − 641 = -1422 |