| 1) | 127 − 208 = | 2) | -711 + 920 = | 3) | -683 + 487 = |
| 4) | -122 + 747 = | 5) | -174 + 351 = | 6) | 571 − 344 = |
| 1) | 127 − 208 = -81 | 2) | -711 + 920 = 209 | 3) | -683 + 487 = -196 |
| 4) | -122 + 747 = 625 | 5) | -174 + 351 = 177 | 6) | 571 − 344 = 227 |