Erbijsommen t/m 1.000
Optellen
| 1. | 335 + 320 = |
571
|
788
|
889
|
655
|
| 2. | 267 + 144 = |
445
|
332
|
359
|
411
|
| 3. | 488 + 300 = |
602
|
980
|
906
|
788
|
| 4. | 435 + 162 = |
785
|
597
|
687
|
945
|
| 5. | 454 + 324 = |
533
|
778
|
730
|
723
|
| 6. | 272 + 130 = |
402
|
488
|
210
|
201
|
| 7. | 367 + 214 = |
581
|
744
|
993
|
643
|
| 8. | 374 + 265 = |
639
|
961
|
898
|
858
|
| 9. | 480 + 415 = |
895
|
920
|
565
|
739
|
| 10. | 111 + 105 = |
409
|
343
|
216
|
303
|
| 11. | 488 + 177 = |
665
|
930
|
900
|
914
|
| 12. | 489 + 132 = |
502
|
621
|
960
|
508
|