| 1) | 824 + 441 = | 2) | -550 − 495 = | 3) | -268 + 915 = |
| 4) | 860 + 693 = | 5) | 162 + 172 = | 6) | 352 − 84 = |
| 1) | 824 + 441 = 1265 | 2) | -550 − 495 = -1045 | 3) | -268 + 915 = 647 |
| 4) | 860 + 693 = 1553 | 5) | 162 + 172 = 334 | 6) | 352 − 84 = 268 |