| 1) | -493 − 384 = | 2) | -229 − 746 = | 3) | 191 − 852 = |
| 4) | -253 + 294 = | 5) | 419 + 891 = | 6) | -234 − 546 = |
| 1) | -493 − 384 = -877 | 2) | -229 − 746 = -975 | 3) | 191 − 852 = -661 |
| 4) | -253 + 294 = 41 | 5) | 419 + 891 = 1310 | 6) | -234 − 546 = -780 |