| 1) | 192 − 496 = | 2) | -537 − 556 = | 3) | -994 + 937 = |
| 4) | -147 − 515 = | 5) | 413 − 496 = | 6) | -541 + 773 = |
| 1) | 192 − 496 = -304 | 2) | -537 − 556 = -1093 | 3) | -994 + 937 = -57 |
| 4) | -147 − 515 = -662 | 5) | 413 − 496 = -83 | 6) | -541 + 773 = 232 |