| 1) | -75 + 24 = | 2) | 857 + 174 = | 3) | -910 − 861 = |
| 4) | 58 − 78 = | 5) | 923 + 786 = | 6) | -118 − 662 = |
| 1) | -75 + 24 = -51 | 2) | 857 + 174 = 1031 | 3) | -910 − 861 = -1771 |
| 4) | 58 − 78 = -20 | 5) | 923 + 786 = 1709 | 6) | -118 − 662 = -780 |