| 1) | 776 + 483 = | 2) | 279 − 297 = | 3) | -570 + 456 = |
| 4) | -123 + 32 = | 5) | -204 − 730 = | 6) | -179 + 321 = |
| 1) | 776 + 483 = 1259 | 2) | 279 − 297 = -18 | 3) | -570 + 456 = -114 |
| 4) | -123 + 32 = -91 | 5) | -204 − 730 = -934 | 6) | -179 + 321 = 142 |