| 1) | -852 + 705 = | 2) | 531 + 774 = | 3) | -42 − 885 = |
| 4) | 836 − 883 = | 5) | -136 − 368 = | 6) | 163 + 25 = |
| 1) | -852 + 705 = -147 | 2) | 531 + 774 = 1305 | 3) | -42 − 885 = -927 |
| 4) | 836 − 883 = -47 | 5) | -136 − 368 = -504 | 6) | 163 + 25 = 188 |