| 1) | 4 − 120 = | 2) | -314 − 857 = | 3) | -545 + 522 = |
| 4) | -772 − 372 = | 5) | -999 + 940 = | 6) | 438 − 854 = |
| 1) | 4 − 120 = -116 | 2) | -314 − 857 = -1171 | 3) | -545 + 522 = -23 |
| 4) | -772 − 372 = -1144 | 5) | -999 + 940 = -59 | 6) | 438 − 854 = -416 |