Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 462 | + | 372 | = |
|
| 2. | 483 | + | 327 | = |
|
| 3. | 196 | + | 172 | = |
|
| 4. | 478 | + | 143 | = |
|
| 5. | 222 | + | 210 | = |
|
| 6. | 457 | + | 352 | = |
|
| 7. | 191 | + | 190 | = |
|
| 8. | 481 | + | 381 | = |
|
| 9. | 348 | + | 219 | = |
|
| 10. | 422 | + | 103 | = |
|
| Oefening 2 | |||||
| 1. | 464 | + | 226 | = |
|
| 2. | 358 | + | 225 | = |
|
| 3. | 219 | + | 213 | = |
|
| 4. | 335 | + | 103 | = |
|
| 5. | 408 | + | 223 | = |
|
| 6. | 447 | + | 418 | = |
|
| 7. | 490 | + | 405 | = |
|
| 8. | 484 | + | 259 | = |
|
| 9. | 395 | + | 264 | = |
|
| 10. | 154 | + | 149 | = |
|
| Oefening 3 | |||||
| 1. | 255 | + | 126 | = |
|
| 2. | 249 | + | 167 | = |
|
| 3. | 320 | + | 137 | = |
|
| 4. | 279 | + | 237 | = |
|
| 5. | 263 | + | 103 | = |
|
| 6. | 444 | + | 258 | = |
|
| 7. | 469 | + | 320 | = |
|
| 8. | 362 | + | 126 | = |
|
| 9. | 224 | + | 137 | = |
|
| 10. | 473 | + | 415 | = |
|
| Oefening 4 | |||||
| 1. | 150 | + | 128 | = |
|
| 2. | 173 | + | 131 | = |
|
| 3. | 384 | + | 343 | = |
|
| 4. | 300 | + | 281 | = |
|
| 5. | 298 | + | 199 | = |
|
| 6. | 485 | + | 222 | = |
|
| 7. | 455 | + | 158 | = |
|
| 8. | 366 | + | 173 | = |
|
| 9. | 319 | + | 253 | = |
|
| 10. | 244 | + | 240 | = |
|