Erbijsommen t/m 1.000
Optellen
| 1. | 500 + 331 = |
908
|
831
|
620
|
714
|
| 2. | 496 + 286 = |
866
|
782
|
677
|
638
|
| 3. | 350 + 199 = |
549
|
654
|
726
|
559
|
| 4. | 444 + 173 = |
863
|
617
|
635
|
911
|
| 5. | 275 + 148 = |
423
|
272
|
364
|
253
|
| 6. | 296 + 296 = |
720
|
611
|
521
|
592
|
| 7. | 459 + 200 = |
519
|
900
|
659
|
937
|
| 8. | 334 + 204 = |
829
|
798
|
665
|
538
|
| 9. | 333 + 126 = |
458
|
459
|
294
|
202
|
| 10. | 313 + 165 = |
221
|
482
|
478
|
251
|
| 11. | 311 + 193 = |
913
|
929
|
504
|
610
|
| 12. | 461 + 405 = |
795
|
951
|
740
|
866
|