| 1) | -403 − 566 = | 2) | -940 − 794 = | 3) | -99 + 501 = |
| 4) | -201 + 881 = | 5) | -439 − 740 = | 6) | -304 − 13 = |
| 1) | -403 − 566 = -969 | 2) | -940 − 794 = -1734 | 3) | -99 + 501 = 402 |
| 4) | -201 + 881 = 680 | 5) | -439 − 740 = -1179 | 6) | -304 − 13 = -317 |