Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 271 | + | 222 | = |
|
| 2. | 332 | + | 124 | = |
|
| 3. | 375 | + | 166 | = |
|
| 4. | 407 | + | 233 | = |
|
| 5. | 192 | + | 144 | = |
|
| 6. | 335 | + | 134 | = |
|
| 7. | 385 | + | 358 | = |
|
| 8. | 243 | + | 180 | = |
|
| 9. | 418 | + | 221 | = |
|
| 10. | 349 | + | 264 | = |
|
| Oefening 2 | |||||
| 1. | 265 | + | 263 | = |
|
| 2. | 144 | + | 134 | = |
|
| 3. | 392 | + | 188 | = |
|
| 4. | 355 | + | 105 | = |
|
| 5. | 392 | + | 234 | = |
|
| 6. | 290 | + | 116 | = |
|
| 7. | 447 | + | 336 | = |
|
| 8. | 215 | + | 183 | = |
|
| 9. | 299 | + | 158 | = |
|
| 10. | 475 | + | 325 | = |
|
| Oefening 3 | |||||
| 1. | 346 | + | 231 | = |
|
| 2. | 492 | + | 314 | = |
|
| 3. | 324 | + | 158 | = |
|
| 4. | 362 | + | 144 | = |
|
| 5. | 490 | + | 227 | = |
|
| 6. | 218 | + | 187 | = |
|
| 7. | 446 | + | 122 | = |
|
| 8. | 498 | + | 396 | = |
|
| 9. | 406 | + | 343 | = |
|
| 10. | 417 | + | 205 | = |
|
| Oefening 4 | |||||
| 1. | 137 | + | 125 | = |
|
| 2. | 294 | + | 119 | = |
|
| 3. | 300 | + | 212 | = |
|
| 4. | 186 | + | 143 | = |
|
| 5. | 482 | + | 311 | = |
|
| 6. | 402 | + | 287 | = |
|
| 7. | 428 | + | 395 | = |
|
| 8. | 413 | + | 134 | = |
|
| 9. | 470 | + | 150 | = |
|
| 10. | 382 | + | 291 | = |
|