| 1) | 38 + 33 = | 2) | -371 − 437 = | 3) | -486 + 71 = |
| 4) | 911 + 324 = | 5) | 898 − 897 = | 6) | -342 − 704 = |
| 1) | 38 + 33 = 71 | 2) | -371 − 437 = -808 | 3) | -486 + 71 = -415 |
| 4) | 911 + 324 = 1235 | 5) | 898 − 897 = 1 | 6) | -342 − 704 = -1046 |