Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 420 | + | 364 | = |
|
| 2. | 485 | + | 377 | = |
|
| 3. | 403 | + | 205 | = |
|
| 4. | 363 | + | 243 | = |
|
| 5. | 275 | + | 197 | = |
|
| 6. | 393 | + | 102 | = |
|
| 7. | 418 | + | 326 | = |
|
| 8. | 303 | + | 206 | = |
|
| 9. | 430 | + | 130 | = |
|
| 10. | 490 | + | 110 | = |
|
| Oefening 2 | |||||
| 1. | 500 | + | 263 | = |
|
| 2. | 260 | + | 186 | = |
|
| 3. | 463 | + | 267 | = |
|
| 4. | 455 | + | 154 | = |
|
| 5. | 453 | + | 257 | = |
|
| 6. | 318 | + | 233 | = |
|
| 7. | 446 | + | 287 | = |
|
| 8. | 268 | + | 160 | = |
|
| 9. | 283 | + | 203 | = |
|
| 10. | 257 | + | 151 | = |
|
| Oefening 3 | |||||
| 1. | 394 | + | 363 | = |
|
| 2. | 371 | + | 279 | = |
|
| 3. | 368 | + | 352 | = |
|
| 4. | 284 | + | 129 | = |
|
| 5. | 328 | + | 166 | = |
|
| 6. | 425 | + | 178 | = |
|
| 7. | 440 | + | 340 | = |
|
| 8. | 268 | + | 129 | = |
|
| 9. | 429 | + | 224 | = |
|
| 10. | 477 | + | 133 | = |
|
| Oefening 4 | |||||
| 1. | 458 | + | 179 | = |
|
| 2. | 491 | + | 206 | = |
|
| 3. | 454 | + | 186 | = |
|
| 4. | 414 | + | 172 | = |
|
| 5. | 206 | + | 173 | = |
|
| 6. | 236 | + | 105 | = |
|
| 7. | 303 | + | 168 | = |
|
| 8. | 463 | + | 228 | = |
|
| 9. | 424 | + | 399 | = |
|
| 10. | 312 | + | 305 | = |
|