Erbijsommen t/m 1.000
Optellen
| 1. | 468 + 239 = |
660
|
983
|
958
|
707
|
| 2. | 323 + 238 = |
742
|
585
|
970
|
561
|
| 3. | 271 + 121 = |
438
|
500
|
392
|
266
|
| 4. | 385 + 360 = |
988
|
665
|
745
|
975
|
| 5. | 386 + 243 = |
810
|
629
|
950
|
740
|
| 6. | 436 + 228 = |
911
|
806
|
664
|
666
|
| 7. | 361 + 289 = |
650
|
792
|
830
|
689
|
| 8. | 399 + 347 = |
746
|
721
|
835
|
665
|
| 9. | 442 + 242 = |
644
|
850
|
684
|
682
|
| 10. | 288 + 192 = |
480
|
236
|
200
|
323
|
| 11. | 241 + 195 = |
218
|
219
|
436
|
400
|
| 12. | 474 + 451 = |
508
|
862
|
998
|
925
|