| 1) | 589 − 477 = | 2) | -49 − 463 = | 3) | -981 + 584 = |
| 4) | 912 + 601 = | 5) | -945 − 541 = | 6) | -482 + 868 = |
| 1) | 589 − 477 = 112 | 2) | -49 − 463 = -512 | 3) | -981 + 584 = -397 |
| 4) | 912 + 601 = 1513 | 5) | -945 − 541 = -1486 | 6) | -482 + 868 = 386 |