| 1) | 626 + 145 = | 2) | 96 + 269 = | 3) | 677 + 793 = |
| 4) | -846 + 473 = | 5) | 674 + 921 = | 6) | -238 − 496 = |
| 1) | 626 + 145 = 771 | 2) | 96 + 269 = 365 | 3) | 677 + 793 = 1470 |
| 4) | -846 + 473 = -373 | 5) | 674 + 921 = 1595 | 6) | -238 − 496 = -734 |