| 1) | 177 − 924 = | 2) | 184 + 382 = | 3) | -129 + 387 = |
| 4) | -308 − 360 = | 5) | 528 − 896 = | 6) | -19 + 836 = |
| 1) | 177 − 924 = -747 | 2) | 184 + 382 = 566 | 3) | -129 + 387 = 258 |
| 4) | -308 − 360 = -668 | 5) | 528 − 896 = -368 | 6) | -19 + 836 = 817 |