Erbijsommen t/m 1.000
Optellen
| 1. | 450 + 420 = |
563
|
717
|
870
|
977
|
| 2. | 152 + 137 = |
272
|
344
|
362
|
289
|
| 3. | 211 + 115 = |
285
|
359
|
326
|
337
|
| 4. | 491 + 353 = |
669
|
503
|
597
|
844
|
| 5. | 319 + 123 = |
216
|
299
|
358
|
442
|
| 6. | 308 + 120 = |
413
|
428
|
243
|
356
|
| 7. | 363 + 212 = |
797
|
912
|
679
|
575
|
| 8. | 415 + 400 = |
815
|
813
|
928
|
645
|
| 9. | 459 + 167 = |
647
|
554
|
626
|
535
|
| 10. | 458 + 251 = |
905
|
944
|
734
|
709
|
| 11. | 256 + 207 = |
463
|
354
|
406
|
241
|
| 12. | 283 + 242 = |
948
|
525
|
668
|
590
|