Erbijsommen t/m 1.000
Optellen
| 1. | 425 + 369 = |
769
|
839
|
794
|
912
|
| 2. | 321 + 162 = |
483
|
497
|
201
|
404
|
| 3. | 461 + 325 = |
520
|
797
|
548
|
786
|
| 4. | 288 + 196 = |
396
|
484
|
418
|
472
|
| 5. | 229 + 222 = |
352
|
219
|
272
|
451
|
| 6. | 207 + 184 = |
425
|
391
|
303
|
361
|
| 7. | 261 + 183 = |
444
|
216
|
292
|
475
|
| 8. | 260 + 124 = |
400
|
355
|
384
|
350
|
| 9. | 314 + 145 = |
226
|
284
|
341
|
459
|
| 10. | 305 + 223 = |
840
|
735
|
821
|
528
|
| 11. | 156 + 145 = |
341
|
286
|
301
|
464
|
| 12. | 451 + 322 = |
773
|
806
|
580
|
711
|