Erbijsommen t/m 1.000
Optellen
| 1. | 324 + 193 = |
905
|
517
|
887
|
859
|
| 2. | 287 + 274 = |
561
|
603
|
582
|
884
|
| 3. | 249 + 133 = |
369
|
447
|
382
|
253
|
| 4. | 294 + 234 = |
880
|
790
|
534
|
528
|
| 5. | 267 + 221 = |
397
|
345
|
209
|
488
|
| 6. | 337 + 247 = |
584
|
526
|
621
|
606
|
| 7. | 456 + 289 = |
617
|
745
|
596
|
969
|
| 8. | 238 + 205 = |
392
|
497
|
443
|
264
|
| 9. | 399 + 127 = |
676
|
731
|
611
|
526
|
| 10. | 476 + 201 = |
658
|
677
|
975
|
879
|
| 11. | 381 + 334 = |
525
|
572
|
715
|
889
|
| 12. | 373 + 281 = |
789
|
654
|
965
|
835
|