Erbijsommen t/m 1.000
Optellen
| 1. | 314 + 121 = |
253
|
420
|
435
|
341
|
| 2. | 455 + 435 = |
938
|
890
|
823
|
556
|
| 3. | 218 + 169 = |
320
|
434
|
383
|
387
|
| 4. | 498 + 402 = |
900
|
945
|
804
|
979
|
| 5. | 478 + 312 = |
962
|
543
|
680
|
790
|
| 6. | 438 + 346 = |
599
|
507
|
784
|
841
|
| 7. | 498 + 173 = |
720
|
863
|
799
|
671
|
| 8. | 470 + 435 = |
696
|
905
|
929
|
999
|
| 9. | 297 + 289 = |
767
|
762
|
586
|
714
|
| 10. | 475 + 223 = |
848
|
698
|
546
|
731
|
| 11. | 370 + 161 = |
703
|
531
|
616
|
933
|
| 12. | 255 + 177 = |
350
|
432
|
404
|
429
|