Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 310 | + | 303 | = |
|
| 2. | 499 | + | 215 | = |
|
| 3. | 429 | + | 225 | = |
|
| 4. | 495 | + | 172 | = |
|
| 5. | 402 | + | 205 | = |
|
| 6. | 485 | + | 196 | = |
|
| 7. | 283 | + | 233 | = |
|
| 8. | 459 | + | 129 | = |
|
| 9. | 239 | + | 149 | = |
|
| 10. | 486 | + | 423 | = |
|
| Oefening 2 | |||||
| 1. | 341 | + | 297 | = |
|
| 2. | 488 | + | 231 | = |
|
| 3. | 457 | + | 212 | = |
|
| 4. | 370 | + | 176 | = |
|
| 5. | 444 | + | 129 | = |
|
| 6. | 267 | + | 171 | = |
|
| 7. | 356 | + | 314 | = |
|
| 8. | 191 | + | 183 | = |
|
| 9. | 409 | + | 337 | = |
|
| 10. | 344 | + | 206 | = |
|
| Oefening 3 | |||||
| 1. | 437 | + | 193 | = |
|
| 2. | 427 | + | 168 | = |
|
| 3. | 454 | + | 409 | = |
|
| 4. | 380 | + | 280 | = |
|
| 5. | 419 | + | 296 | = |
|
| 6. | 486 | + | 183 | = |
|
| 7. | 375 | + | 212 | = |
|
| 8. | 448 | + | 243 | = |
|
| 9. | 173 | + | 105 | = |
|
| 10. | 417 | + | 368 | = |
|
| Oefening 4 | |||||
| 1. | 381 | + | 285 | = |
|
| 2. | 477 | + | 371 | = |
|
| 3. | 229 | + | 166 | = |
|
| 4. | 300 | + | 289 | = |
|
| 5. | 434 | + | 157 | = |
|
| 6. | 387 | + | 374 | = |
|
| 7. | 420 | + | 211 | = |
|
| 8. | 485 | + | 121 | = |
|
| 9. | 160 | + | 150 | = |
|
| 10. | 472 | + | 388 | = |
|