Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 436 | + | 259 | = |
|
| 2. | 324 | + | 260 | = |
|
| 3. | 396 | + | 111 | = |
|
| 4. | 410 | + | 280 | = |
|
| 5. | 324 | + | 320 | = |
|
| 6. | 158 | + | 122 | = |
|
| 7. | 477 | + | 443 | = |
|
| 8. | 473 | + | 448 | = |
|
| 9. | 330 | + | 317 | = |
|
| 10. | 491 | + | 213 | = |
|
| Oefening 2 | |||||
| 1. | 405 | + | 208 | = |
|
| 2. | 318 | + | 281 | = |
|
| 3. | 482 | + | 211 | = |
|
| 4. | 334 | + | 188 | = |
|
| 5. | 404 | + | 158 | = |
|
| 6. | 270 | + | 220 | = |
|
| 7. | 367 | + | 324 | = |
|
| 8. | 495 | + | 192 | = |
|
| 9. | 316 | + | 133 | = |
|
| 10. | 296 | + | 187 | = |
|
| Oefening 3 | |||||
| 1. | 408 | + | 360 | = |
|
| 2. | 322 | + | 243 | = |
|
| 3. | 476 | + | 456 | = |
|
| 4. | 235 | + | 215 | = |
|
| 5. | 478 | + | 299 | = |
|
| 6. | 259 | + | 158 | = |
|
| 7. | 428 | + | 142 | = |
|
| 8. | 300 | + | 190 | = |
|
| 9. | 380 | + | 334 | = |
|
| 10. | 473 | + | 163 | = |
|
| Oefening 4 | |||||
| 1. | 385 | + | 311 | = |
|
| 2. | 376 | + | 305 | = |
|
| 3. | 473 | + | 429 | = |
|
| 4. | 429 | + | 312 | = |
|
| 5. | 392 | + | 248 | = |
|
| 6. | 443 | + | 203 | = |
|
| 7. | 447 | + | 317 | = |
|
| 8. | 486 | + | 210 | = |
|
| 9. | 401 | + | 172 | = |
|
| 10. | 373 | + | 369 | = |
|