Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 254 | + | 141 | = |
|
| 2. | 198 | + | 120 | = |
|
| 3. | 177 | + | 154 | = |
|
| 4. | 311 | + | 301 | = |
|
| 5. | 165 | + | 119 | = |
|
| 6. | 146 | + | 130 | = |
|
| 7. | 489 | + | 431 | = |
|
| 8. | 309 | + | 189 | = |
|
| 9. | 454 | + | 453 | = |
|
| 10. | 330 | + | 140 | = |
|
| Oefening 2 | |||||
| 1. | 304 | + | 213 | = |
|
| 2. | 306 | + | 243 | = |
|
| 3. | 456 | + | 393 | = |
|
| 4. | 209 | + | 166 | = |
|
| 5. | 395 | + | 107 | = |
|
| 6. | 227 | + | 165 | = |
|
| 7. | 412 | + | 113 | = |
|
| 8. | 466 | + | 354 | = |
|
| 9. | 469 | + | 143 | = |
|
| 10. | 376 | + | 243 | = |
|
| Oefening 3 | |||||
| 1. | 478 | + | 382 | = |
|
| 2. | 495 | + | 460 | = |
|
| 3. | 293 | + | 248 | = |
|
| 4. | 456 | + | 132 | = |
|
| 5. | 475 | + | 274 | = |
|
| 6. | 234 | + | 211 | = |
|
| 7. | 366 | + | 273 | = |
|
| 8. | 272 | + | 163 | = |
|
| 9. | 452 | + | 134 | = |
|
| 10. | 164 | + | 144 | = |
|
| Oefening 4 | |||||
| 1. | 499 | + | 163 | = |
|
| 2. | 482 | + | 457 | = |
|
| 3. | 326 | + | 109 | = |
|
| 4. | 218 | + | 143 | = |
|
| 5. | 479 | + | 349 | = |
|
| 6. | 480 | + | 189 | = |
|
| 7. | 498 | + | 473 | = |
|
| 8. | 500 | + | 324 | = |
|
| 9. | 453 | + | 370 | = |
|
| 10. | 318 | + | 204 | = |
|