Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 436 | + | 229 | = |
|
| 2. | 419 | + | 300 | = |
|
| 3. | 434 | + | 423 | = |
|
| 4. | 450 | + | 301 | = |
|
| 5. | 322 | + | 209 | = |
|
| 6. | 472 | + | 241 | = |
|
| 7. | 490 | + | 316 | = |
|
| 8. | 494 | + | 183 | = |
|
| 9. | 352 | + | 260 | = |
|
| 10. | 436 | + | 118 | = |
|
| Oefening 2 | |||||
| 1. | 351 | + | 272 | = |
|
| 2. | 481 | + | 143 | = |
|
| 3. | 215 | + | 196 | = |
|
| 4. | 341 | + | 334 | = |
|
| 5. | 437 | + | 211 | = |
|
| 6. | 450 | + | 272 | = |
|
| 7. | 260 | + | 102 | = |
|
| 8. | 368 | + | 150 | = |
|
| 9. | 266 | + | 204 | = |
|
| 10. | 442 | + | 376 | = |
|
| Oefening 3 | |||||
| 1. | 389 | + | 108 | = |
|
| 2. | 495 | + | 481 | = |
|
| 3. | 493 | + | 378 | = |
|
| 4. | 357 | + | 352 | = |
|
| 5. | 291 | + | 181 | = |
|
| 6. | 330 | + | 194 | = |
|
| 7. | 391 | + | 251 | = |
|
| 8. | 484 | + | 225 | = |
|
| 9. | 482 | + | 197 | = |
|
| 10. | 355 | + | 151 | = |
|
| Oefening 4 | |||||
| 1. | 468 | + | 324 | = |
|
| 2. | 305 | + | 139 | = |
|
| 3. | 458 | + | 399 | = |
|
| 4. | 418 | + | 321 | = |
|
| 5. | 427 | + | 169 | = |
|
| 6. | 420 | + | 357 | = |
|
| 7. | 414 | + | 302 | = |
|
| 8. | 489 | + | 455 | = |
|
| 9. | 390 | + | 326 | = |
|
| 10. | 407 | + | 111 | = |
|