| 1) | 834 + 123 = | 2) | -965 + 409 = | 3) | 346 − 519 = |
| 4) | -361 + 825 = | 5) | 97 + 395 = | 6) | 685 + 301 = |
| 1) | 834 + 123 = 957 | 2) | -965 + 409 = -556 | 3) | 346 − 519 = -173 |
| 4) | -361 + 825 = 464 | 5) | 97 + 395 = 492 | 6) | 685 + 301 = 986 |