| 1) | -367 + 768 = | 2) | -608 − 503 = | 3) | -64 + 652 = |
| 4) | 421 + 553 = | 5) | 691 + 103 = | 6) | 339 + 353 = |
| 1) | -367 + 768 = 401 | 2) | -608 − 503 = -1111 | 3) | -64 + 652 = 588 |
| 4) | 421 + 553 = 974 | 5) | 691 + 103 = 794 | 6) | 339 + 353 = 692 |