| 1) | -143 − 968 = | 2) | 384 + 461 = | 3) | 833 + 186 = |
| 4) | 996 − 658 = | 5) | 704 + 437 = | 6) | -26 + 809 = |
| 1) | -143 − 968 = -1111 | 2) | 384 + 461 = 845 | 3) | 833 + 186 = 1019 |
| 4) | 996 − 658 = 338 | 5) | 704 + 437 = 1141 | 6) | -26 + 809 = 783 |