| 1) | -244 + 808 = | 2) | 846 + 343 = | 3) | 269 + 317 = |
| 4) | 309 + 740 = | 5) | -637 + 521 = | 6) | 892 − 799 = |
| 1) | -244 + 808 = 564 | 2) | 846 + 343 = 1189 | 3) | 269 + 317 = 586 |
| 4) | 309 + 740 = 1049 | 5) | -637 + 521 = -116 | 6) | 892 − 799 = 93 |