Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 428 | + | 146 | = |
|
| 2. | 319 | + | 205 | = |
|
| 3. | 291 | + | 172 | = |
|
| 4. | 292 | + | 241 | = |
|
| 5. | 440 | + | 107 | = |
|
| 6. | 378 | + | 271 | = |
|
| 7. | 213 | + | 135 | = |
|
| 8. | 324 | + | 257 | = |
|
| 9. | 463 | + | 319 | = |
|
| 10. | 294 | + | 142 | = |
|
| Oefening 2 | |||||
| 1. | 312 | + | 284 | = |
|
| 2. | 460 | + | 384 | = |
|
| 3. | 331 | + | 202 | = |
|
| 4. | 499 | + | 374 | = |
|
| 5. | 465 | + | 237 | = |
|
| 6. | 420 | + | 145 | = |
|
| 7. | 462 | + | 394 | = |
|
| 8. | 465 | + | 149 | = |
|
| 9. | 389 | + | 155 | = |
|
| 10. | 493 | + | 310 | = |
|
| Oefening 3 | |||||
| 1. | 273 | + | 271 | = |
|
| 2. | 461 | + | 154 | = |
|
| 3. | 455 | + | 421 | = |
|
| 4. | 311 | + | 127 | = |
|
| 5. | 422 | + | 283 | = |
|
| 6. | 376 | + | 342 | = |
|
| 7. | 486 | + | 341 | = |
|
| 8. | 414 | + | 197 | = |
|
| 9. | 251 | + | 240 | = |
|
| 10. | 480 | + | 327 | = |
|
| Oefening 4 | |||||
| 1. | 217 | + | 180 | = |
|
| 2. | 500 | + | 106 | = |
|
| 3. | 440 | + | 100 | = |
|
| 4. | 447 | + | 307 | = |
|
| 5. | 387 | + | 251 | = |
|
| 6. | 468 | + | 464 | = |
|
| 7. | 341 | + | 135 | = |
|
| 8. | 286 | + | 242 | = |
|
| 9. | 268 | + | 267 | = |
|
| 10. | 493 | + | 115 | = |
|