| 1) | -103 − 305 = | 2) | -604 + 181 = | 3) | 641 + 844 = |
| 4) | -200 + 434 = | 5) | 49 + 734 = | 6) | -576 − 612 = |
| 1) | -103 − 305 = -408 | 2) | -604 + 181 = -423 | 3) | 641 + 844 = 1485 |
| 4) | -200 + 434 = 234 | 5) | 49 + 734 = 783 | 6) | -576 − 612 = -1188 |