| 1) | 494 + 884 = | 2) | 562 + 348 = | 3) | -885 + 716 = |
| 4) | 548 − 838 = | 5) | -45 + 268 = | 6) | 76 − 501 = |
| 1) | 494 + 884 = 1378 | 2) | 562 + 348 = 910 | 3) | -885 + 716 = -169 |
| 4) | 548 − 838 = -290 | 5) | -45 + 268 = 223 | 6) | 76 − 501 = -425 |