| 1) | 63 + 410 = | 2) | 617 + 554 = | 3) | -233 − 364 = |
| 4) | 983 + 858 = | 5) | 931 + 675 = | 6) | 136 + 123 = |
| 1) | 63 + 410 = 473 | 2) | 617 + 554 = 1171 | 3) | -233 − 364 = -597 |
| 4) | 983 + 858 = 1841 | 5) | 931 + 675 = 1606 | 6) | 136 + 123 = 259 |