| 1) | 874 + 230 = | 2) | -700 − 649 = | 3) | -818 − 657 = |
| 4) | -51 − 119 = | 5) | 536 + 64 = | 6) | -301 − 328 = |
| 1) | 874 + 230 = 1104 | 2) | -700 − 649 = -1349 | 3) | -818 − 657 = -1475 |
| 4) | -51 − 119 = -170 | 5) | 536 + 64 = 600 | 6) | -301 − 328 = -629 |