| 1) | -144 − 17 = | 2) | -368 + 298 = | 3) | 264 + 436 = |
| 4) | 29 + 391 = | 5) | -496 − 108 = | 6) | 43 + 994 = |
| 1) | -144 − 17 = -161 | 2) | -368 + 298 = -70 | 3) | 264 + 436 = 700 |
| 4) | 29 + 391 = 420 | 5) | -496 − 108 = -604 | 6) | 43 + 994 = 1037 |