| 1) | -693 + 339 = | 2) | 137 + 410 = | 3) | 742 − 827 = |
| 4) | -266 + 59 = | 5) | 346 + 905 = | 6) | 100 + 286 = |
| 1) | -693 + 339 = -354 | 2) | 137 + 410 = 547 | 3) | 742 − 827 = -85 |
| 4) | -266 + 59 = -207 | 5) | 346 + 905 = 1251 | 6) | 100 + 286 = 386 |