Erbijsommen t/m 500
Optellen
| 1. | 224 + 206 = |
275
|
316
|
445
|
430
|
| 2. | 229 + 209 = |
482
|
438
|
328
|
445
|
| 3. | 165 + 61 = |
429
|
300
|
226
|
423
|
| 4. | 194 + 152 = |
339
|
283
|
267
|
346
|
| 5. | 137 + 78 = |
215
|
451
|
419
|
369
|
| 6. | 175 + 76 = |
251
|
405
|
207
|
470
|
| 7. | 241 + 80 = |
318
|
310
|
440
|
321
|
| 8. | 89 + 71 = |
156
|
119
|
182
|
160
|
| 9. | 73 + 57 = |
117
|
175
|
130
|
108
|
| 10. | 120 + 80 = |
138
|
143
|
200
|
127
|
| 11. | 120 + 112 = |
374
|
400
|
365
|
232
|
| 12. | 249 + 175 = |
460
|
426
|
424
|
215
|