Erbijsommen t/m 1.000
Optellen
| 1. | 370 + 247 = |
575
|
660
|
617
|
755
|
| 2. | 218 + 195 = |
378
|
454
|
500
|
413
|
| 3. | 301 + 168 = |
336
|
469
|
493
|
406
|
| 4. | 227 + 200 = |
345
|
427
|
433
|
348
|
| 5. | 461 + 260 = |
904
|
721
|
603
|
996
|
| 6. | 440 + 358 = |
633
|
798
|
793
|
733
|
| 7. | 151 + 115 = |
266
|
338
|
444
|
457
|
| 8. | 500 + 213 = |
932
|
689
|
966
|
713
|
| 9. | 378 + 223 = |
954
|
601
|
692
|
660
|
| 10. | 489 + 328 = |
560
|
640
|
750
|
817
|
| 11. | 497 + 449 = |
990
|
640
|
946
|
925
|
| 12. | 403 + 132 = |
517
|
997
|
943
|
535
|