Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 287 | + | 142 | = |
|
| 2. | 497 | + | 180 | = |
|
| 3. | 157 | + | 103 | = |
|
| 4. | 439 | + | 314 | = |
|
| 5. | 498 | + | 320 | = |
|
| 6. | 329 | + | 273 | = |
|
| 7. | 440 | + | 276 | = |
|
| 8. | 449 | + | 241 | = |
|
| 9. | 374 | + | 341 | = |
|
| 10. | 486 | + | 270 | = |
|
| Oefening 2 | |||||
| 1. | 308 | + | 161 | = |
|
| 2. | 500 | + | 240 | = |
|
| 3. | 466 | + | 455 | = |
|
| 4. | 218 | + | 155 | = |
|
| 5. | 469 | + | 445 | = |
|
| 6. | 321 | + | 176 | = |
|
| 7. | 334 | + | 161 | = |
|
| 8. | 341 | + | 246 | = |
|
| 9. | 310 | + | 142 | = |
|
| 10. | 403 | + | 251 | = |
|
| Oefening 3 | |||||
| 1. | 477 | + | 334 | = |
|
| 2. | 286 | + | 181 | = |
|
| 3. | 272 | + | 254 | = |
|
| 4. | 439 | + | 352 | = |
|
| 5. | 429 | + | 299 | = |
|
| 6. | 334 | + | 202 | = |
|
| 7. | 488 | + | 320 | = |
|
| 8. | 344 | + | 110 | = |
|
| 9. | 439 | + | 385 | = |
|
| 10. | 476 | + | 346 | = |
|
| Oefening 4 | |||||
| 1. | 490 | + | 484 | = |
|
| 2. | 425 | + | 284 | = |
|
| 3. | 425 | + | 321 | = |
|
| 4. | 172 | + | 172 | = |
|
| 5. | 341 | + | 280 | = |
|
| 6. | 402 | + | 222 | = |
|
| 7. | 222 | + | 187 | = |
|
| 8. | 475 | + | 157 | = |
|
| 9. | 177 | + | 133 | = |
|
| 10. | 402 | + | 257 | = |
|