| 1) | -724 + 195 = | 2) | 523 − 660 = | 3) | -127 + 825 = |
| 4) | -821 + 755 = | 5) | -729 − 942 = | 6) | -804 − 725 = |
| 1) | -724 + 195 = -529 | 2) | 523 − 660 = -137 | 3) | -127 + 825 = 698 |
| 4) | -821 + 755 = -66 | 5) | -729 − 942 = -1671 | 6) | -804 − 725 = -1529 |