Erbijsommen t/m 1.000
Optellen
| 1. | 196 + 141 = |
228
|
485
|
337
|
429
|
| 2. | 461 + 382 = |
908
|
843
|
861
|
900
|
| 3. | 413 + 144 = |
548
|
529
|
708
|
557
|
| 4. | 401 + 156 = |
960
|
557
|
519
|
786
|
| 5. | 450 + 211 = |
713
|
750
|
582
|
661
|
| 6. | 177 + 120 = |
297
|
247
|
471
|
398
|
| 7. | 345 + 198 = |
543
|
921
|
800
|
771
|
| 8. | 416 + 162 = |
573
|
521
|
578
|
697
|
| 9. | 330 + 293 = |
984
|
698
|
623
|
584
|
| 10. | 393 + 333 = |
929
|
779
|
726
|
605
|
| 11. | 500 + 471 = |
510
|
926
|
588
|
971
|
| 12. | 323 + 153 = |
476
|
493
|
359
|
240
|