| 1) | -967 + 804 = | 2) | -522 + 338 = | 3) | 441 − 437 = |
| 4) | 885 − 994 = | 5) | -397 − 667 = | 6) | 527 + 648 = |
| 1) | -967 + 804 = -163 | 2) | -522 + 338 = -184 | 3) | 441 − 437 = 4 |
| 4) | 885 − 994 = -109 | 5) | -397 − 667 = -1064 | 6) | 527 + 648 = 1175 |