| 1) | -105 + 336 = | 2) | 684 + 460 = | 3) | -693 − 318 = |
| 4) | -991 − 202 = | 5) | 870 + 726 = | 6) | -803 + 207 = |
| 1) | -105 + 336 = 231 | 2) | 684 + 460 = 1144 | 3) | -693 − 318 = -1011 |
| 4) | -991 − 202 = -1193 | 5) | 870 + 726 = 1596 | 6) | -803 + 207 = -596 |