Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 337 | + | 284 | = |
|
| 2. | 442 | + | 281 | = |
|
| 3. | 494 | + | 267 | = |
|
| 4. | 340 | + | 178 | = |
|
| 5. | 312 | + | 267 | = |
|
| 6. | 359 | + | 252 | = |
|
| 7. | 295 | + | 100 | = |
|
| 8. | 426 | + | 223 | = |
|
| 9. | 259 | + | 175 | = |
|
| 10. | 314 | + | 175 | = |
|
| Oefening 2 | |||||
| 1. | 494 | + | 134 | = |
|
| 2. | 431 | + | 243 | = |
|
| 3. | 427 | + | 302 | = |
|
| 4. | 369 | + | 328 | = |
|
| 5. | 495 | + | 443 | = |
|
| 6. | 345 | + | 224 | = |
|
| 7. | 492 | + | 110 | = |
|
| 8. | 407 | + | 220 | = |
|
| 9. | 312 | + | 136 | = |
|
| 10. | 385 | + | 249 | = |
|
| Oefening 3 | |||||
| 1. | 238 | + | 161 | = |
|
| 2. | 472 | + | 291 | = |
|
| 3. | 346 | + | 235 | = |
|
| 4. | 245 | + | 160 | = |
|
| 5. | 391 | + | 177 | = |
|
| 6. | 495 | + | 218 | = |
|
| 7. | 443 | + | 127 | = |
|
| 8. | 409 | + | 303 | = |
|
| 9. | 218 | + | 159 | = |
|
| 10. | 364 | + | 334 | = |
|
| Oefening 4 | |||||
| 1. | 169 | + | 111 | = |
|
| 2. | 355 | + | 322 | = |
|
| 3. | 347 | + | 345 | = |
|
| 4. | 478 | + | 281 | = |
|
| 5. | 309 | + | 233 | = |
|
| 6. | 494 | + | 475 | = |
|
| 7. | 339 | + | 146 | = |
|
| 8. | 496 | + | 358 | = |
|
| 9. | 198 | + | 150 | = |
|
| 10. | 431 | + | 268 | = |
|