Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 306 | + | 149 | = |
|
| 2. | 443 | + | 143 | = |
|
| 3. | 425 | + | 373 | = |
|
| 4. | 339 | + | 114 | = |
|
| 5. | 221 | + | 148 | = |
|
| 6. | 284 | + | 122 | = |
|
| 7. | 494 | + | 459 | = |
|
| 8. | 481 | + | 192 | = |
|
| 9. | 164 | + | 121 | = |
|
| 10. | 455 | + | 337 | = |
|
| Oefening 2 | |||||
| 1. | 256 | + | 123 | = |
|
| 2. | 451 | + | 205 | = |
|
| 3. | 318 | + | 250 | = |
|
| 4. | 338 | + | 121 | = |
|
| 5. | 439 | + | 360 | = |
|
| 6. | 156 | + | 130 | = |
|
| 7. | 281 | + | 209 | = |
|
| 8. | 411 | + | 216 | = |
|
| 9. | 179 | + | 152 | = |
|
| 10. | 499 | + | 226 | = |
|
| Oefening 3 | |||||
| 1. | 350 | + | 196 | = |
|
| 2. | 374 | + | 339 | = |
|
| 3. | 489 | + | 159 | = |
|
| 4. | 360 | + | 320 | = |
|
| 5. | 499 | + | 317 | = |
|
| 6. | 486 | + | 291 | = |
|
| 7. | 373 | + | 166 | = |
|
| 8. | 490 | + | 327 | = |
|
| 9. | 494 | + | 279 | = |
|
| 10. | 409 | + | 108 | = |
|
| Oefening 4 | |||||
| 1. | 453 | + | 216 | = |
|
| 2. | 404 | + | 280 | = |
|
| 3. | 372 | + | 279 | = |
|
| 4. | 401 | + | 373 | = |
|
| 5. | 417 | + | 261 | = |
|
| 6. | 433 | + | 432 | = |
|
| 7. | 437 | + | 305 | = |
|
| 8. | 299 | + | 152 | = |
|
| 9. | 246 | + | 119 | = |
|
| 10. | 493 | + | 222 | = |
|