| 1) | -493 − 893 = | 2) | -322 − 856 = | 3) | -942 + 906 = |
| 4) | 263 − 87 = | 5) | -795 − 271 = | 6) | -46 + 52 = |
| 1) | -493 − 893 = -1386 | 2) | -322 − 856 = -1178 | 3) | -942 + 906 = -36 |
| 4) | 263 − 87 = 176 | 5) | -795 − 271 = -1066 | 6) | -46 + 52 = 6 |