| 1) | -421 + 297 = | 2) | -249 − 65 = | 3) | 232 + 799 = |
| 4) | 141 + 11 = | 5) | 140 − 543 = | 6) | 498 − 403 = |
| 1) | -421 + 297 = -124 | 2) | -249 − 65 = -314 | 3) | 232 + 799 = 1031 |
| 4) | 141 + 11 = 152 | 5) | 140 − 543 = -403 | 6) | 498 − 403 = 95 |