| 1) | -977 − 862 = | 2) | 495 − 545 = | 3) | 468 + 834 = |
| 4) | -516 + 410 = | 5) | 865 + 529 = | 6) | -502 − 177 = |
| 1) | -977 − 862 = -1839 | 2) | 495 − 545 = -50 | 3) | 468 + 834 = 1302 |
| 4) | -516 + 410 = -106 | 5) | 865 + 529 = 1394 | 6) | -502 − 177 = -679 |