| 1) | -814 − 392 = | 2) | -972 − 743 = | 3) | -257 + 322 = |
| 4) | 462 − 70 = | 5) | -676 + 526 = | 6) | -659 + 292 = |
| 1) | -814 − 392 = -1206 | 2) | -972 − 743 = -1715 | 3) | -257 + 322 = 65 |
| 4) | 462 − 70 = 392 | 5) | -676 + 526 = -150 | 6) | -659 + 292 = -367 |