Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 350 | + | 340 | = |
|
| 2. | 484 | + | 187 | = |
|
| 3. | 151 | + | 115 | = |
|
| 4. | 242 | + | 173 | = |
|
| 5. | 450 | + | 304 | = |
|
| 6. | 391 | + | 369 | = |
|
| 7. | 203 | + | 137 | = |
|
| 8. | 487 | + | 189 | = |
|
| 9. | 390 | + | 372 | = |
|
| 10. | 475 | + | 152 | = |
|
| Oefening 2 | |||||
| 1. | 486 | + | 431 | = |
|
| 2. | 461 | + | 261 | = |
|
| 3. | 415 | + | 276 | = |
|
| 4. | 356 | + | 215 | = |
|
| 5. | 304 | + | 220 | = |
|
| 6. | 302 | + | 296 | = |
|
| 7. | 327 | + | 158 | = |
|
| 8. | 244 | + | 209 | = |
|
| 9. | 483 | + | 265 | = |
|
| 10. | 468 | + | 438 | = |
|
| Oefening 3 | |||||
| 1. | 453 | + | 234 | = |
|
| 2. | 448 | + | 271 | = |
|
| 3. | 473 | + | 172 | = |
|
| 4. | 347 | + | 174 | = |
|
| 5. | 492 | + | 152 | = |
|
| 6. | 240 | + | 165 | = |
|
| 7. | 465 | + | 408 | = |
|
| 8. | 394 | + | 200 | = |
|
| 9. | 278 | + | 182 | = |
|
| 10. | 343 | + | 176 | = |
|
| Oefening 4 | |||||
| 1. | 478 | + | 218 | = |
|
| 2. | 436 | + | 409 | = |
|
| 3. | 243 | + | 113 | = |
|
| 4. | 418 | + | 220 | = |
|
| 5. | 461 | + | 282 | = |
|
| 6. | 467 | + | 112 | = |
|
| 7. | 431 | + | 411 | = |
|
| 8. | 190 | + | 136 | = |
|
| 9. | 236 | + | 191 | = |
|
| 10. | 351 | + | 125 | = |
|