| 1) | 51 − 754 = | 2) | 591 + 701 = | 3) | -662 − 405 = |
| 4) | -247 + 207 = | 5) | 172 + 433 = | 6) | -120 − 350 = |
| 1) | 51 − 754 = -703 | 2) | 591 + 701 = 1292 | 3) | -662 − 405 = -1067 |
| 4) | -247 + 207 = -40 | 5) | 172 + 433 = 605 | 6) | -120 − 350 = -470 |