| 1) | -925 − 162 = | 2) | 349 − 864 = | 3) | 298 − 513 = |
| 4) | -237 + 724 = | 5) | 670 − 722 = | 6) | 233 + 301 = |
| 1) | -925 − 162 = -1087 | 2) | 349 − 864 = -515 | 3) | 298 − 513 = -215 |
| 4) | -237 + 724 = 487 | 5) | 670 − 722 = -52 | 6) | 233 + 301 = 534 |