Erbijsommen t/m 1.000
Optellen
| 1. | 219 + 102 = |
410
|
321
|
478
|
455
|
| 2. | 476 + 406 = |
993
|
882
|
919
|
885
|
| 3. | 400 + 171 = |
809
|
533
|
955
|
571
|
| 4. | 499 + 195 = |
694
|
945
|
555
|
981
|
| 5. | 324 + 222 = |
912
|
668
|
546
|
871
|
| 6. | 353 + 300 = |
993
|
653
|
948
|
805
|
| 7. | 155 + 129 = |
485
|
442
|
284
|
404
|
| 8. | 385 + 104 = |
489
|
293
|
261
|
321
|
| 9. | 393 + 348 = |
596
|
863
|
741
|
920
|
| 10. | 404 + 298 = |
791
|
656
|
962
|
702
|
| 11. | 253 + 136 = |
469
|
288
|
460
|
389
|
| 12. | 485 + 418 = |
616
|
668
|
936
|
903
|