| 1) | -997 − 34 = | 2) | 906 + 768 = | 3) | 795 + 42 = |
| 4) | -403 + 196 = | 5) | 599 − 574 = | 6) | 40 + 973 = |
| 1) | -997 − 34 = -1031 | 2) | 906 + 768 = 1674 | 3) | 795 + 42 = 837 |
| 4) | -403 + 196 = -207 | 5) | 599 − 574 = 25 | 6) | 40 + 973 = 1013 |