| 1) | 392 + 898 = | 2) | -446 + 970 = | 3) | -198 − 64 = |
| 4) | -184 + 438 = | 5) | 505 − 794 = | 6) | 672 − 539 = |
| 1) | 392 + 898 = 1290 | 2) | -446 + 970 = 524 | 3) | -198 − 64 = -262 |
| 4) | -184 + 438 = 254 | 5) | 505 − 794 = -289 | 6) | 672 − 539 = 133 |