| 1) | 614 + 399 = | 2) | -770 + 384 = | 3) | 186 + 703 = |
| 4) | -206 − 263 = | 5) | 657 + 740 = | 6) | -944 − 200 = |
| 1) | 614 + 399 = 1013 | 2) | -770 + 384 = -386 | 3) | 186 + 703 = 889 |
| 4) | -206 − 263 = -469 | 5) | 657 + 740 = 1397 | 6) | -944 − 200 = -1144 |