Erbijsommen t/m 1.000
Optellen
| 1. | 368 + 338 = |
706
|
763
|
508
|
810
|
| 2. | 489 + 406 = |
949
|
578
|
884
|
895
|
| 3. | 500 + 100 = |
597
|
722
|
600
|
605
|
| 4. | 344 + 290 = |
861
|
634
|
773
|
899
|
| 5. | 482 + 190 = |
727
|
613
|
672
|
985
|
| 6. | 215 + 155 = |
364
|
436
|
323
|
370
|
| 7. | 259 + 118 = |
225
|
239
|
377
|
356
|
| 8. | 164 + 143 = |
307
|
284
|
231
|
411
|
| 9. | 405 + 252 = |
708
|
515
|
591
|
657
|
| 10. | 340 + 124 = |
284
|
464
|
484
|
351
|
| 11. | 394 + 291 = |
685
|
586
|
720
|
808
|
| 12. | 339 + 243 = |
710
|
779
|
582
|
573
|