Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 461 | + | 288 | = |
|
| 2. | 432 | + | 392 | = |
|
| 3. | 377 | + | 153 | = |
|
| 4. | 442 | + | 368 | = |
|
| 5. | 216 | + | 123 | = |
|
| 6. | 456 | + | 387 | = |
|
| 7. | 323 | + | 220 | = |
|
| 8. | 369 | + | 142 | = |
|
| 9. | 477 | + | 305 | = |
|
| 10. | 281 | + | 121 | = |
|
| Oefening 2 | |||||
| 1. | 325 | + | 218 | = |
|
| 2. | 199 | + | 177 | = |
|
| 3. | 388 | + | 376 | = |
|
| 4. | 309 | + | 179 | = |
|
| 5. | 473 | + | 344 | = |
|
| 6. | 477 | + | 419 | = |
|
| 7. | 315 | + | 182 | = |
|
| 8. | 415 | + | 333 | = |
|
| 9. | 323 | + | 253 | = |
|
| 10. | 288 | + | 182 | = |
|
| Oefening 3 | |||||
| 1. | 403 | + | 225 | = |
|
| 2. | 408 | + | 328 | = |
|
| 3. | 437 | + | 321 | = |
|
| 4. | 277 | + | 171 | = |
|
| 5. | 176 | + | 162 | = |
|
| 6. | 253 | + | 105 | = |
|
| 7. | 482 | + | 319 | = |
|
| 8. | 342 | + | 128 | = |
|
| 9. | 330 | + | 148 | = |
|
| 10. | 469 | + | 123 | = |
|
| Oefening 4 | |||||
| 1. | 451 | + | 358 | = |
|
| 2. | 281 | + | 190 | = |
|
| 3. | 332 | + | 171 | = |
|
| 4. | 220 | + | 214 | = |
|
| 5. | 273 | + | 131 | = |
|
| 6. | 373 | + | 103 | = |
|
| 7. | 407 | + | 232 | = |
|
| 8. | 138 | + | 108 | = |
|
| 9. | 479 | + | 248 | = |
|
| 10. | 242 | + | 110 | = |
|