Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 473 | + | 249 | = |
|
| 2. | 466 | + | 451 | = |
|
| 3. | 491 | + | 447 | = |
|
| 4. | 311 | + | 245 | = |
|
| 5. | 500 | + | 411 | = |
|
| 6. | 383 | + | 361 | = |
|
| 7. | 450 | + | 315 | = |
|
| 8. | 474 | + | 409 | = |
|
| 9. | 383 | + | 328 | = |
|
| 10. | 394 | + | 213 | = |
|
| Oefening 2 | |||||
| 1. | 414 | + | 401 | = |
|
| 2. | 429 | + | 299 | = |
|
| 3. | 491 | + | 325 | = |
|
| 4. | 154 | + | 130 | = |
|
| 5. | 144 | + | 102 | = |
|
| 6. | 460 | + | 443 | = |
|
| 7. | 483 | + | 229 | = |
|
| 8. | 115 | + | 103 | = |
|
| 9. | 283 | + | 184 | = |
|
| 10. | 387 | + | 131 | = |
|
| Oefening 3 | |||||
| 1. | 394 | + | 113 | = |
|
| 2. | 475 | + | 143 | = |
|
| 3. | 386 | + | 265 | = |
|
| 4. | 432 | + | 170 | = |
|
| 5. | 331 | + | 151 | = |
|
| 6. | 462 | + | 313 | = |
|
| 7. | 232 | + | 104 | = |
|
| 8. | 445 | + | 321 | = |
|
| 9. | 348 | + | 275 | = |
|
| 10. | 349 | + | 274 | = |
|
| Oefening 4 | |||||
| 1. | 451 | + | 247 | = |
|
| 2. | 464 | + | 139 | = |
|
| 3. | 477 | + | 472 | = |
|
| 4. | 218 | + | 130 | = |
|
| 5. | 329 | + | 124 | = |
|
| 6. | 257 | + | 205 | = |
|
| 7. | 366 | + | 231 | = |
|
| 8. | 425 | + | 188 | = |
|
| 9. | 227 | + | 106 | = |
|
| 10. | 459 | + | 223 | = |
|