Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 481 | + | 440 | = |
|
| 2. | 228 | + | 160 | = |
|
| 3. | 484 | + | 261 | = |
|
| 4. | 379 | + | 193 | = |
|
| 5. | 251 | + | 173 | = |
|
| 6. | 356 | + | 202 | = |
|
| 7. | 315 | + | 135 | = |
|
| 8. | 234 | + | 229 | = |
|
| 9. | 274 | + | 180 | = |
|
| 10. | 464 | + | 363 | = |
|
| Oefening 2 | |||||
| 1. | 484 | + | 397 | = |
|
| 2. | 232 | + | 153 | = |
|
| 3. | 344 | + | 128 | = |
|
| 4. | 442 | + | 262 | = |
|
| 5. | 464 | + | 335 | = |
|
| 6. | 463 | + | 358 | = |
|
| 7. | 400 | + | 332 | = |
|
| 8. | 462 | + | 337 | = |
|
| 9. | 311 | + | 215 | = |
|
| 10. | 182 | + | 119 | = |
|
| Oefening 3 | |||||
| 1. | 457 | + | 340 | = |
|
| 2. | 202 | + | 105 | = |
|
| 3. | 450 | + | 119 | = |
|
| 4. | 408 | + | 116 | = |
|
| 5. | 350 | + | 161 | = |
|
| 6. | 400 | + | 332 | = |
|
| 7. | 443 | + | 146 | = |
|
| 8. | 315 | + | 296 | = |
|
| 9. | 405 | + | 127 | = |
|
| 10. | 366 | + | 311 | = |
|
| Oefening 4 | |||||
| 1. | 458 | + | 129 | = |
|
| 2. | 377 | + | 242 | = |
|
| 3. | 425 | + | 201 | = |
|
| 4. | 483 | + | 233 | = |
|
| 5. | 395 | + | 158 | = |
|
| 6. | 200 | + | 116 | = |
|
| 7. | 464 | + | 432 | = |
|
| 8. | 369 | + | 286 | = |
|
| 9. | 303 | + | 175 | = |
|
| 10. | 236 | + | 215 | = |
|