Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 403 | + | 230 | = |
|
| 2. | 207 | + | 156 | = |
|
| 3. | 239 | + | 185 | = |
|
| 4. | 370 | + | 159 | = |
|
| 5. | 491 | + | 483 | = |
|
| 6. | 399 | + | 294 | = |
|
| 7. | 469 | + | 358 | = |
|
| 8. | 464 | + | 415 | = |
|
| 9. | 336 | + | 161 | = |
|
| 10. | 426 | + | 209 | = |
|
| Oefening 2 | |||||
| 1. | 410 | + | 157 | = |
|
| 2. | 344 | + | 263 | = |
|
| 3. | 369 | + | 267 | = |
|
| 4. | 460 | + | 238 | = |
|
| 5. | 400 | + | 206 | = |
|
| 6. | 378 | + | 135 | = |
|
| 7. | 407 | + | 324 | = |
|
| 8. | 460 | + | 229 | = |
|
| 9. | 349 | + | 196 | = |
|
| 10. | 490 | + | 313 | = |
|
| Oefening 3 | |||||
| 1. | 404 | + | 284 | = |
|
| 2. | 480 | + | 317 | = |
|
| 3. | 177 | + | 176 | = |
|
| 4. | 479 | + | 229 | = |
|
| 5. | 308 | + | 210 | = |
|
| 6. | 496 | + | 418 | = |
|
| 7. | 384 | + | 178 | = |
|
| 8. | 310 | + | 202 | = |
|
| 9. | 379 | + | 313 | = |
|
| 10. | 356 | + | 182 | = |
|
| Oefening 4 | |||||
| 1. | 411 | + | 250 | = |
|
| 2. | 446 | + | 323 | = |
|
| 3. | 429 | + | 299 | = |
|
| 4. | 393 | + | 157 | = |
|
| 5. | 442 | + | 182 | = |
|
| 6. | 414 | + | 148 | = |
|
| 7. | 341 | + | 315 | = |
|
| 8. | 332 | + | 308 | = |
|
| 9. | 280 | + | 223 | = |
|
| 10. | 419 | + | 360 | = |
|