| 1) | -275 − 453 = | 2) | 472 + 492 = | 3) | 895 + 921 = |
| 4) | 907 − 976 = | 5) | 823 + 371 = | 6) | -774 + 328 = |
| 1) | -275 − 453 = -728 | 2) | 472 + 492 = 964 | 3) | 895 + 921 = 1816 |
| 4) | 907 − 976 = -69 | 5) | 823 + 371 = 1194 | 6) | -774 + 328 = -446 |