Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 320 | + | 262 | = |
|
| 2. | 262 | + | 258 | = |
|
| 3. | 420 | + | 198 | = |
|
| 4. | 358 | + | 108 | = |
|
| 5. | 454 | + | 155 | = |
|
| 6. | 460 | + | 171 | = |
|
| 7. | 477 | + | 426 | = |
|
| 8. | 391 | + | 365 | = |
|
| 9. | 442 | + | 131 | = |
|
| 10. | 404 | + | 371 | = |
|
| Oefening 2 | |||||
| 1. | 345 | + | 234 | = |
|
| 2. | 378 | + | 251 | = |
|
| 3. | 248 | + | 110 | = |
|
| 4. | 466 | + | 132 | = |
|
| 5. | 419 | + | 387 | = |
|
| 6. | 489 | + | 304 | = |
|
| 7. | 339 | + | 119 | = |
|
| 8. | 364 | + | 288 | = |
|
| 9. | 262 | + | 218 | = |
|
| 10. | 346 | + | 102 | = |
|
| Oefening 3 | |||||
| 1. | 136 | + | 126 | = |
|
| 2. | 361 | + | 337 | = |
|
| 3. | 274 | + | 259 | = |
|
| 4. | 463 | + | 229 | = |
|
| 5. | 334 | + | 308 | = |
|
| 6. | 431 | + | 115 | = |
|
| 7. | 301 | + | 271 | = |
|
| 8. | 215 | + | 136 | = |
|
| 9. | 446 | + | 196 | = |
|
| 10. | 382 | + | 282 | = |
|
| Oefening 4 | |||||
| 1. | 405 | + | 295 | = |
|
| 2. | 409 | + | 227 | = |
|
| 3. | 310 | + | 114 | = |
|
| 4. | 485 | + | 305 | = |
|
| 5. | 204 | + | 190 | = |
|
| 6. | 417 | + | 364 | = |
|
| 7. | 125 | + | 102 | = |
|
| 8. | 443 | + | 261 | = |
|
| 9. | 336 | + | 119 | = |
|
| 10. | 269 | + | 167 | = |
|