| 1) | 702 − 115 = | 2) | -609 + 548 = | 3) | 538 + 304 = |
| 4) | -562 − 185 = | 5) | 425 + 350 = | 6) | 65 + 790 = |
| 1) | 702 − 115 = 587 | 2) | -609 + 548 = -61 | 3) | 538 + 304 = 842 |
| 4) | -562 − 185 = -747 | 5) | 425 + 350 = 775 | 6) | 65 + 790 = 855 |