| 1) | 176 + 565 = | 2) | -879 + 360 = | 3) | -819 − 901 = |
| 4) | 592 − 275 = | 5) | -594 − 901 = | 6) | -879 − 518 = |
| 1) | 176 + 565 = 741 | 2) | -879 + 360 = -519 | 3) | -819 − 901 = -1720 |
| 4) | 592 − 275 = 317 | 5) | -594 − 901 = -1495 | 6) | -879 − 518 = -1397 |