Erbijsommen t/m 1.000
Optellen
| 1. | 367 + 337 = |
531
|
770
|
704
|
800
|
| 2. | 262 + 174 = |
433
|
263
|
333
|
436
|
| 3. | 494 + 279 = |
773
|
834
|
608
|
913
|
| 4. | 252 + 178 = |
221
|
444
|
212
|
430
|
| 5. | 408 + 191 = |
670
|
703
|
599
|
685
|
| 6. | 297 + 150 = |
291
|
447
|
496
|
432
|
| 7. | 400 + 390 = |
610
|
665
|
671
|
790
|
| 8. | 179 + 130 = |
494
|
369
|
309
|
470
|
| 9. | 226 + 178 = |
442
|
404
|
360
|
341
|
| 10. | 252 + 222 = |
482
|
261
|
378
|
474
|
| 11. | 232 + 186 = |
267
|
432
|
418
|
447
|
| 12. | 154 + 115 = |
269
|
265
|
477
|
274
|