Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 452 | + | 405 | = |
|
| 2. | 320 | + | 121 | = |
|
| 3. | 377 | + | 337 | = |
|
| 4. | 413 | + | 154 | = |
|
| 5. | 367 | + | 246 | = |
|
| 6. | 436 | + | 354 | = |
|
| 7. | 398 | + | 106 | = |
|
| 8. | 328 | + | 156 | = |
|
| 9. | 340 | + | 175 | = |
|
| 10. | 464 | + | 414 | = |
|
| Oefening 2 | |||||
| 1. | 405 | + | 396 | = |
|
| 2. | 462 | + | 394 | = |
|
| 3. | 448 | + | 373 | = |
|
| 4. | 486 | + | 439 | = |
|
| 5. | 427 | + | 303 | = |
|
| 6. | 320 | + | 100 | = |
|
| 7. | 304 | + | 264 | = |
|
| 8. | 302 | + | 233 | = |
|
| 9. | 419 | + | 261 | = |
|
| 10. | 396 | + | 127 | = |
|
| Oefening 3 | |||||
| 1. | 335 | + | 197 | = |
|
| 2. | 221 | + | 100 | = |
|
| 3. | 442 | + | 413 | = |
|
| 4. | 460 | + | 299 | = |
|
| 5. | 333 | + | 286 | = |
|
| 6. | 328 | + | 261 | = |
|
| 7. | 313 | + | 250 | = |
|
| 8. | 309 | + | 213 | = |
|
| 9. | 379 | + | 320 | = |
|
| 10. | 326 | + | 120 | = |
|
| Oefening 4 | |||||
| 1. | 429 | + | 122 | = |
|
| 2. | 258 | + | 193 | = |
|
| 3. | 307 | + | 279 | = |
|
| 4. | 491 | + | 430 | = |
|
| 5. | 349 | + | 260 | = |
|
| 6. | 212 | + | 110 | = |
|
| 7. | 456 | + | 202 | = |
|
| 8. | 351 | + | 227 | = |
|
| 9. | 212 | + | 109 | = |
|
| 10. | 382 | + | 289 | = |
|