Erbijsommen t/m 1.000
Optellen
| 1. | 275 + 103 = |
432
|
355
|
414
|
378
|
| 2. | 353 + 309 = |
988
|
662
|
821
|
542
|
| 3. | 337 + 149 = |
224
|
372
|
468
|
486
|
| 4. | 488 + 378 = |
866
|
510
|
757
|
603
|
| 5. | 469 + 137 = |
606
|
978
|
547
|
924
|
| 6. | 333 + 133 = |
466
|
238
|
243
|
252
|
| 7. | 234 + 200 = |
469
|
324
|
362
|
434
|
| 8. | 384 + 170 = |
554
|
993
|
930
|
563
|
| 9. | 421 + 218 = |
603
|
639
|
794
|
605
|
| 10. | 497 + 369 = |
808
|
866
|
941
|
947
|
| 11. | 257 + 115 = |
371
|
360
|
325
|
372
|
| 12. | 393 + 302 = |
587
|
695
|
762
|
559
|