Erbijsommen t/m 1.000
Optellen
| 1. | 465 + 447 = |
723
|
888
|
912
|
613
|
| 2. | 458 + 108 = |
551
|
580
|
566
|
949
|
| 3. | 271 + 227 = |
498
|
224
|
442
|
251
|
| 4. | 485 + 360 = |
742
|
697
|
845
|
851
|
| 5. | 246 + 115 = |
260
|
421
|
336
|
361
|
| 6. | 474 + 120 = |
979
|
594
|
741
|
896
|
| 7. | 230 + 134 = |
364
|
435
|
282
|
248
|
| 8. | 330 + 174 = |
975
|
750
|
969
|
504
|
| 9. | 143 + 121 = |
200
|
485
|
347
|
264
|
| 10. | 427 + 410 = |
837
|
624
|
913
|
864
|
| 11. | 390 + 285 = |
519
|
889
|
675
|
522
|
| 12. | 410 + 346 = |
907
|
647
|
756
|
539
|