| 1) | -712 + 952 = | 2) | -941 + 348 = | 3) | 450 + 371 = |
| 4) | -809 − 781 = | 5) | 723 − 714 = | 6) | -851 + 146 = |
| 1) | -712 + 952 = 240 | 2) | -941 + 348 = -593 | 3) | 450 + 371 = 821 |
| 4) | -809 − 781 = -1590 | 5) | 723 − 714 = 9 | 6) | -851 + 146 = -705 |