| 1) | -587 − 197 = | 2) | -67 + 389 = | 3) | 270 + 818 = |
| 4) | 934 − 101 = | 5) | 811 + 450 = | 6) | 346 − 144 = |
| 1) | -587 − 197 = -784 | 2) | -67 + 389 = 322 | 3) | 270 + 818 = 1088 |
| 4) | 934 − 101 = 833 | 5) | 811 + 450 = 1261 | 6) | 346 − 144 = 202 |