| 1) | -505 − 415 = | 2) | -46 + 15 = | 3) | -335 + 189 = |
| 4) | -417 + 671 = | 5) | -924 + 354 = | 6) | 720 + 38 = |
| 1) | -505 − 415 = -920 | 2) | -46 + 15 = -31 | 3) | -335 + 189 = -146 |
| 4) | -417 + 671 = 254 | 5) | -924 + 354 = -570 | 6) | 720 + 38 = 758 |