Erbijsommen t/m 1.000
Optellen
| 1. | 399 + 247 = |
659
|
646
|
515
|
607
|
| 2. | 330 + 223 = |
860
|
766
|
634
|
553
|
| 3. | 453 + 382 = |
631
|
746
|
663
|
835
|
| 4. | 414 + 104 = |
963
|
697
|
518
|
838
|
| 5. | 384 + 285 = |
599
|
669
|
918
|
889
|
| 6. | 375 + 143 = |
518
|
692
|
985
|
983
|
| 7. | 458 + 379 = |
837
|
619
|
576
|
770
|
| 8. | 430 + 424 = |
512
|
884
|
772
|
854
|
| 9. | 161 + 131 = |
432
|
292
|
484
|
387
|
| 10. | 268 + 195 = |
394
|
488
|
435
|
463
|
| 11. | 389 + 281 = |
718
|
670
|
716
|
762
|
| 12. | 243 + 186 = |
458
|
429
|
280
|
233
|