| 1) | 438 + 748 = | 2) | -554 + 577 = | 3) | 940 − 568 = |
| 4) | -42 + 696 = | 5) | -662 + 423 = | 6) | 67 + 464 = |
| 1) | 438 + 748 = 1186 | 2) | -554 + 577 = 23 | 3) | 940 − 568 = 372 |
| 4) | -42 + 696 = 654 | 5) | -662 + 423 = -239 | 6) | 67 + 464 = 531 |