| 1) | -599 − 82 = | 2) | -116 + 803 = | 3) | 22 − 8 = |
| 4) | 59 − 963 = | 5) | 413 + 66 = | 6) | 834 + 506 = |
| 1) | -599 − 82 = -681 | 2) | -116 + 803 = 687 | 3) | 22 − 8 = 14 |
| 4) | 59 − 963 = -904 | 5) | 413 + 66 = 479 | 6) | 834 + 506 = 1340 |