Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 451 | + | 230 | = |
|
| 2. | 199 | + | 161 | = |
|
| 3. | 253 | + | 161 | = |
|
| 4. | 270 | + | 178 | = |
|
| 5. | 488 | + | 230 | = |
|
| 6. | 362 | + | 228 | = |
|
| 7. | 387 | + | 293 | = |
|
| 8. | 360 | + | 323 | = |
|
| 9. | 425 | + | 255 | = |
|
| 10. | 194 | + | 152 | = |
|
| Oefening 2 | |||||
| 1. | 404 | + | 226 | = |
|
| 2. | 485 | + | 291 | = |
|
| 3. | 387 | + | 171 | = |
|
| 4. | 250 | + | 224 | = |
|
| 5. | 365 | + | 165 | = |
|
| 6. | 336 | + | 280 | = |
|
| 7. | 296 | + | 135 | = |
|
| 8. | 390 | + | 100 | = |
|
| 9. | 231 | + | 194 | = |
|
| 10. | 410 | + | 119 | = |
|
| Oefening 3 | |||||
| 1. | 472 | + | 430 | = |
|
| 2. | 426 | + | 349 | = |
|
| 3. | 200 | + | 148 | = |
|
| 4. | 352 | + | 233 | = |
|
| 5. | 485 | + | 391 | = |
|
| 6. | 467 | + | 255 | = |
|
| 7. | 280 | + | 147 | = |
|
| 8. | 366 | + | 257 | = |
|
| 9. | 447 | + | 428 | = |
|
| 10. | 252 | + | 143 | = |
|
| Oefening 4 | |||||
| 1. | 468 | + | 382 | = |
|
| 2. | 462 | + | 436 | = |
|
| 3. | 248 | + | 224 | = |
|
| 4. | 432 | + | 308 | = |
|
| 5. | 377 | + | 200 | = |
|
| 6. | 476 | + | 456 | = |
|
| 7. | 458 | + | 367 | = |
|
| 8. | 163 | + | 149 | = |
|
| 9. | 185 | + | 169 | = |
|
| 10. | 435 | + | 341 | = |
|