Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 380 | + | 111 | = |
|
| 2. | 465 | + | 435 | = |
|
| 3. | 193 | + | 182 | = |
|
| 4. | 428 | + | 333 | = |
|
| 5. | 443 | + | 430 | = |
|
| 6. | 356 | + | 113 | = |
|
| 7. | 407 | + | 200 | = |
|
| 8. | 448 | + | 168 | = |
|
| 9. | 397 | + | 200 | = |
|
| 10. | 362 | + | 236 | = |
|
| Oefening 2 | |||||
| 1. | 447 | + | 103 | = |
|
| 2. | 379 | + | 160 | = |
|
| 3. | 210 | + | 205 | = |
|
| 4. | 470 | + | 299 | = |
|
| 5. | 351 | + | 340 | = |
|
| 6. | 370 | + | 126 | = |
|
| 7. | 349 | + | 301 | = |
|
| 8. | 447 | + | 254 | = |
|
| 9. | 414 | + | 394 | = |
|
| 10. | 470 | + | 376 | = |
|
| Oefening 3 | |||||
| 1. | 472 | + | 377 | = |
|
| 2. | 459 | + | 459 | = |
|
| 3. | 270 | + | 197 | = |
|
| 4. | 436 | + | 430 | = |
|
| 5. | 448 | + | 326 | = |
|
| 6. | 469 | + | 447 | = |
|
| 7. | 278 | + | 240 | = |
|
| 8. | 317 | + | 123 | = |
|
| 9. | 262 | + | 159 | = |
|
| 10. | 485 | + | 248 | = |
|
| Oefening 4 | |||||
| 1. | 410 | + | 387 | = |
|
| 2. | 259 | + | 255 | = |
|
| 3. | 270 | + | 234 | = |
|
| 4. | 126 | + | 122 | = |
|
| 5. | 415 | + | 143 | = |
|
| 6. | 262 | + | 102 | = |
|
| 7. | 376 | + | 353 | = |
|
| 8. | 457 | + | 441 | = |
|
| 9. | 404 | + | 367 | = |
|
| 10. | 361 | + | 182 | = |
|