| 1) | -42 − 975 = | 2) | 668 + 387 = | 3) | -294 + 704 = |
| 4) | 880 + 996 = | 5) | -518 − 878 = | 6) | -259 + 568 = |
| 1) | -42 − 975 = -1017 | 2) | 668 + 387 = 1055 | 3) | -294 + 704 = 410 |
| 4) | 880 + 996 = 1876 | 5) | -518 − 878 = -1396 | 6) | -259 + 568 = 309 |