| 1) | -935 + 623 = | 2) | 805 − 437 = | 3) | 382 + 984 = |
| 4) | -633 + 322 = | 5) | 269 − 962 = | 6) | 503 − 484 = |
| 1) | -935 + 623 = -312 | 2) | 805 − 437 = 368 | 3) | 382 + 984 = 1366 |
| 4) | -633 + 322 = -311 | 5) | 269 − 962 = -693 | 6) | 503 − 484 = 19 |