| 1) | -518 − 36 = | 2) | -260 − 475 = | 3) | -149 − 588 = |
| 4) | 546 − 728 = | 5) | 951 − 886 = | 6) | 367 + 321 = |
| 1) | -518 − 36 = -554 | 2) | -260 − 475 = -735 | 3) | -149 − 588 = -737 |
| 4) | 546 − 728 = -182 | 5) | 951 − 886 = 65 | 6) | 367 + 321 = 688 |