Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 343 | + | 284 | = |
|
| 2. | 459 | + | 213 | = |
|
| 3. | 306 | + | 181 | = |
|
| 4. | 307 | + | 291 | = |
|
| 5. | 384 | + | 151 | = |
|
| 6. | 129 | + | 112 | = |
|
| 7. | 441 | + | 313 | = |
|
| 8. | 221 | + | 190 | = |
|
| 9. | 396 | + | 351 | = |
|
| 10. | 342 | + | 192 | = |
|
| Oefening 2 | |||||
| 1. | 493 | + | 363 | = |
|
| 2. | 238 | + | 143 | = |
|
| 3. | 297 | + | 163 | = |
|
| 4. | 362 | + | 258 | = |
|
| 5. | 308 | + | 178 | = |
|
| 6. | 141 | + | 121 | = |
|
| 7. | 416 | + | 390 | = |
|
| 8. | 372 | + | 120 | = |
|
| 9. | 474 | + | 100 | = |
|
| 10. | 341 | + | 115 | = |
|
| Oefening 3 | |||||
| 1. | 328 | + | 286 | = |
|
| 2. | 232 | + | 225 | = |
|
| 3. | 390 | + | 115 | = |
|
| 4. | 298 | + | 285 | = |
|
| 5. | 446 | + | 383 | = |
|
| 6. | 380 | + | 339 | = |
|
| 7. | 415 | + | 367 | = |
|
| 8. | 483 | + | 414 | = |
|
| 9. | 385 | + | 187 | = |
|
| 10. | 296 | + | 227 | = |
|
| Oefening 4 | |||||
| 1. | 484 | + | 249 | = |
|
| 2. | 474 | + | 212 | = |
|
| 3. | 395 | + | 114 | = |
|
| 4. | 482 | + | 472 | = |
|
| 5. | 406 | + | 193 | = |
|
| 6. | 405 | + | 133 | = |
|
| 7. | 325 | + | 252 | = |
|
| 8. | 398 | + | 116 | = |
|
| 9. | 410 | + | 338 | = |
|
| 10. | 469 | + | 378 | = |
|