| 1) | 510 − 164 = | 2) | -793 − 810 = | 3) | -652 − 562 = |
| 4) | 32 + 857 = | 5) | -699 + 611 = | 6) | -329 + 10 = |
| 1) | 510 − 164 = 346 | 2) | -793 − 810 = -1603 | 3) | -652 − 562 = -1214 |
| 4) | 32 + 857 = 889 | 5) | -699 + 611 = -88 | 6) | -329 + 10 = -319 |