Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 384 | + | 131 | = |
|
| 2. | 430 | + | 241 | = |
|
| 3. | 500 | + | 444 | = |
|
| 4. | 400 | + | 178 | = |
|
| 5. | 407 | + | 268 | = |
|
| 6. | 356 | + | 165 | = |
|
| 7. | 398 | + | 263 | = |
|
| 8. | 242 | + | 242 | = |
|
| 9. | 191 | + | 180 | = |
|
| 10. | 462 | + | 384 | = |
|
| Oefening 2 | |||||
| 1. | 421 | + | 312 | = |
|
| 2. | 421 | + | 187 | = |
|
| 3. | 479 | + | 442 | = |
|
| 4. | 219 | + | 164 | = |
|
| 5. | 209 | + | 198 | = |
|
| 6. | 331 | + | 279 | = |
|
| 7. | 234 | + | 147 | = |
|
| 8. | 496 | + | 232 | = |
|
| 9. | 319 | + | 173 | = |
|
| 10. | 153 | + | 121 | = |
|
| Oefening 3 | |||||
| 1. | 205 | + | 180 | = |
|
| 2. | 481 | + | 229 | = |
|
| 3. | 312 | + | 143 | = |
|
| 4. | 433 | + | 355 | = |
|
| 5. | 349 | + | 170 | = |
|
| 6. | 325 | + | 269 | = |
|
| 7. | 342 | + | 331 | = |
|
| 8. | 348 | + | 209 | = |
|
| 9. | 414 | + | 155 | = |
|
| 10. | 483 | + | 327 | = |
|
| Oefening 4 | |||||
| 1. | 462 | + | 432 | = |
|
| 2. | 351 | + | 341 | = |
|
| 3. | 236 | + | 190 | = |
|
| 4. | 485 | + | 468 | = |
|
| 5. | 433 | + | 250 | = |
|
| 6. | 295 | + | 124 | = |
|
| 7. | 406 | + | 250 | = |
|
| 8. | 400 | + | 281 | = |
|
| 9. | 385 | + | 281 | = |
|
| 10. | 493 | + | 375 | = |
|