| 1) | -247 + 785 = | 2) | -979 − 952 = | 3) | 833 + 88 = |
| 4) | 984 − 571 = | 5) | -202 + 233 = | 6) | -362 − 280 = |
| 1) | -247 + 785 = 538 | 2) | -979 − 952 = -1931 | 3) | 833 + 88 = 921 |
| 4) | 984 − 571 = 413 | 5) | -202 + 233 = 31 | 6) | -362 − 280 = -642 |