Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 389 | + | 148 | = |
|
| 2. | 291 | + | 102 | = |
|
| 3. | 479 | + | 456 | = |
|
| 4. | 388 | + | 294 | = |
|
| 5. | 430 | + | 173 | = |
|
| 6. | 388 | + | 201 | = |
|
| 7. | 345 | + | 146 | = |
|
| 8. | 499 | + | 496 | = |
|
| 9. | 495 | + | 175 | = |
|
| 10. | 317 | + | 195 | = |
|
| Oefening 2 | |||||
| 1. | 394 | + | 256 | = |
|
| 2. | 447 | + | 296 | = |
|
| 3. | 221 | + | 183 | = |
|
| 4. | 497 | + | 344 | = |
|
| 5. | 457 | + | 242 | = |
|
| 6. | 257 | + | 146 | = |
|
| 7. | 337 | + | 287 | = |
|
| 8. | 338 | + | 177 | = |
|
| 9. | 468 | + | 402 | = |
|
| 10. | 491 | + | 351 | = |
|
| Oefening 3 | |||||
| 1. | 399 | + | 322 | = |
|
| 2. | 216 | + | 203 | = |
|
| 3. | 303 | + | 136 | = |
|
| 4. | 494 | + | 447 | = |
|
| 5. | 308 | + | 292 | = |
|
| 6. | 474 | + | 275 | = |
|
| 7. | 480 | + | 125 | = |
|
| 8. | 337 | + | 325 | = |
|
| 9. | 263 | + | 103 | = |
|
| 10. | 406 | + | 326 | = |
|
| Oefening 4 | |||||
| 1. | 484 | + | 358 | = |
|
| 2. | 419 | + | 351 | = |
|
| 3. | 489 | + | 152 | = |
|
| 4. | 393 | + | 139 | = |
|
| 5. | 450 | + | 171 | = |
|
| 6. | 418 | + | 223 | = |
|
| 7. | 434 | + | 360 | = |
|
| 8. | 478 | + | 328 | = |
|
| 9. | 433 | + | 377 | = |
|
| 10. | 208 | + | 147 | = |
|