Erbijsommen t/m 1.000
Optellen
| 1. | 291 + 221 = |
512
|
746
|
518
|
968
|
| 2. | 388 + 309 = |
697
|
503
|
651
|
607
|
| 3. | 373 + 213 = |
865
|
586
|
907
|
929
|
| 4. | 275 + 134 = |
403
|
409
|
388
|
275
|
| 5. | 499 + 288 = |
895
|
821
|
787
|
607
|
| 6. | 452 + 236 = |
656
|
660
|
897
|
688
|
| 7. | 349 + 160 = |
511
|
509
|
964
|
611
|
| 8. | 220 + 199 = |
277
|
426
|
419
|
499
|
| 9. | 461 + 242 = |
784
|
703
|
982
|
577
|
| 10. | 269 + 245 = |
514
|
571
|
825
|
805
|
| 11. | 390 + 156 = |
546
|
716
|
773
|
707
|
| 12. | 363 + 273 = |
958
|
522
|
937
|
636
|