| 1) | 488 − 326 = | 2) | 163 − 964 = | 3) | 868 + 963 = |
| 4) | -4 − 632 = | 5) | -529 + 974 = | 6) | -330 + 696 = |
| 1) | 488 − 326 = 162 | 2) | 163 − 964 = -801 | 3) | 868 + 963 = 1831 |
| 4) | -4 − 632 = -636 | 5) | -529 + 974 = 445 | 6) | -330 + 696 = 366 |