| 1) | -468 + 291 = | 2) | -949 + 389 = | 3) | 547 + 598 = |
| 4) | -252 − 126 = | 5) | 379 − 413 = | 6) | 562 + 903 = |
| 1) | -468 + 291 = -177 | 2) | -949 + 389 = -560 | 3) | 547 + 598 = 1145 |
| 4) | -252 − 126 = -378 | 5) | 379 − 413 = -34 | 6) | 562 + 903 = 1465 |