Erbijsommen t/m 1.000
Optellen
| 1. | 456 + 286 = |
600
|
742
|
507
|
643
|
| 2. | 309 + 115 = |
263
|
424
|
241
|
333
|
| 3. | 469 + 398 = |
777
|
828
|
867
|
965
|
| 4. | 206 + 183 = |
389
|
471
|
412
|
213
|
| 5. | 494 + 486 = |
906
|
980
|
708
|
773
|
| 6. | 290 + 265 = |
555
|
822
|
894
|
686
|
| 7. | 500 + 131 = |
642
|
671
|
631
|
974
|
| 8. | 481 + 308 = |
546
|
873
|
543
|
789
|
| 9. | 425 + 247 = |
868
|
672
|
962
|
904
|
| 10. | 477 + 446 = |
586
|
623
|
923
|
918
|
| 11. | 334 + 102 = |
251
|
392
|
436
|
286
|
| 12. | 382 + 104 = |
223
|
203
|
486
|
305
|