| 1) | -200 + 99 = | 2) | 521 + 202 = | 3) | -766 + 171 = |
| 4) | 478 + 584 = | 5) | 222 − 890 = | 6) | 779 + 253 = |
| 1) | -200 + 99 = -101 | 2) | 521 + 202 = 723 | 3) | -766 + 171 = -595 |
| 4) | 478 + 584 = 1062 | 5) | 222 − 890 = -668 | 6) | 779 + 253 = 1032 |