Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 498 | + | 347 | = |
|
| 2. | 304 | + | 263 | = |
|
| 3. | 368 | + | 172 | = |
|
| 4. | 483 | + | 300 | = |
|
| 5. | 486 | + | 361 | = |
|
| 6. | 348 | + | 337 | = |
|
| 7. | 333 | + | 162 | = |
|
| 8. | 121 | + | 108 | = |
|
| 9. | 428 | + | 330 | = |
|
| 10. | 456 | + | 212 | = |
|
| Oefening 2 | |||||
| 1. | 456 | + | 346 | = |
|
| 2. | 475 | + | 321 | = |
|
| 3. | 418 | + | 365 | = |
|
| 4. | 321 | + | 307 | = |
|
| 5. | 290 | + | 108 | = |
|
| 6. | 465 | + | 126 | = |
|
| 7. | 272 | + | 165 | = |
|
| 8. | 299 | + | 210 | = |
|
| 9. | 450 | + | 219 | = |
|
| 10. | 496 | + | 332 | = |
|
| Oefening 3 | |||||
| 1. | 424 | + | 400 | = |
|
| 2. | 438 | + | 164 | = |
|
| 3. | 468 | + | 172 | = |
|
| 4. | 448 | + | 309 | = |
|
| 5. | 220 | + | 149 | = |
|
| 6. | 498 | + | 342 | = |
|
| 7. | 254 | + | 248 | = |
|
| 8. | 494 | + | 120 | = |
|
| 9. | 406 | + | 148 | = |
|
| 10. | 371 | + | 184 | = |
|
| Oefening 4 | |||||
| 1. | 301 | + | 193 | = |
|
| 2. | 421 | + | 235 | = |
|
| 3. | 207 | + | 116 | = |
|
| 4. | 420 | + | 128 | = |
|
| 5. | 500 | + | 268 | = |
|
| 6. | 472 | + | 299 | = |
|
| 7. | 475 | + | 119 | = |
|
| 8. | 377 | + | 319 | = |
|
| 9. | 285 | + | 267 | = |
|
| 10. | 446 | + | 127 | = |
|