| 1) | 416 + 871 = | 2) | -693 + 778 = | 3) | -7 − 271 = |
| 4) | -665 + 972 = | 5) | 805 − 222 = | 6) | 560 − 365 = |
| 1) | 416 + 871 = 1287 | 2) | -693 + 778 = 85 | 3) | -7 − 271 = -278 |
| 4) | -665 + 972 = 307 | 5) | 805 − 222 = 583 | 6) | 560 − 365 = 195 |