Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 483 | + | 176 | = |
|
| 2. | 414 | + | 320 | = |
|
| 3. | 412 | + | 198 | = |
|
| 4. | 412 | + | 160 | = |
|
| 5. | 151 | + | 148 | = |
|
| 6. | 345 | + | 313 | = |
|
| 7. | 493 | + | 341 | = |
|
| 8. | 475 | + | 360 | = |
|
| 9. | 479 | + | 151 | = |
|
| 10. | 240 | + | 231 | = |
|
| Oefening 2 | |||||
| 1. | 494 | + | 210 | = |
|
| 2. | 315 | + | 128 | = |
|
| 3. | 336 | + | 144 | = |
|
| 4. | 432 | + | 304 | = |
|
| 5. | 472 | + | 149 | = |
|
| 6. | 371 | + | 275 | = |
|
| 7. | 471 | + | 183 | = |
|
| 8. | 500 | + | 476 | = |
|
| 9. | 475 | + | 203 | = |
|
| 10. | 381 | + | 379 | = |
|
| Oefening 3 | |||||
| 1. | 178 | + | 142 | = |
|
| 2. | 453 | + | 188 | = |
|
| 3. | 390 | + | 109 | = |
|
| 4. | 360 | + | 180 | = |
|
| 5. | 318 | + | 146 | = |
|
| 6. | 268 | + | 221 | = |
|
| 7. | 426 | + | 236 | = |
|
| 8. | 429 | + | 352 | = |
|
| 9. | 457 | + | 239 | = |
|
| 10. | 180 | + | 122 | = |
|
| Oefening 4 | |||||
| 1. | 341 | + | 185 | = |
|
| 2. | 470 | + | 409 | = |
|
| 3. | 334 | + | 292 | = |
|
| 4. | 470 | + | 360 | = |
|
| 5. | 319 | + | 170 | = |
|
| 6. | 335 | + | 251 | = |
|
| 7. | 391 | + | 137 | = |
|
| 8. | 375 | + | 337 | = |
|
| 9. | 420 | + | 215 | = |
|
| 10. | 343 | + | 154 | = |
|