| 1) | -23 + 127 = | 2) | 388 − 286 = | 3) | 206 + 81 = |
| 4) | -179 + 45 = | 5) | -494 − 762 = | 6) | 63 − 230 = |
| 1) | -23 + 127 = 104 | 2) | 388 − 286 = 102 | 3) | 206 + 81 = 287 |
| 4) | -179 + 45 = -134 | 5) | -494 − 762 = -1256 | 6) | 63 − 230 = -167 |