Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 278 | + | 271 | = |
|
| 2. | 464 | + | 288 | = |
|
| 3. | 496 | + | 229 | = |
|
| 4. | 344 | + | 103 | = |
|
| 5. | 207 | + | 196 | = |
|
| 6. | 402 | + | 173 | = |
|
| 7. | 490 | + | 108 | = |
|
| 8. | 457 | + | 134 | = |
|
| 9. | 375 | + | 324 | = |
|
| 10. | 333 | + | 109 | = |
|
| Oefening 2 | |||||
| 1. | 436 | + | 283 | = |
|
| 2. | 274 | + | 266 | = |
|
| 3. | 423 | + | 161 | = |
|
| 4. | 495 | + | 151 | = |
|
| 5. | 459 | + | 370 | = |
|
| 6. | 500 | + | 490 | = |
|
| 7. | 409 | + | 287 | = |
|
| 8. | 472 | + | 294 | = |
|
| 9. | 412 | + | 344 | = |
|
| 10. | 285 | + | 280 | = |
|
| Oefening 3 | |||||
| 1. | 321 | + | 232 | = |
|
| 2. | 157 | + | 106 | = |
|
| 3. | 357 | + | 203 | = |
|
| 4. | 194 | + | 179 | = |
|
| 5. | 379 | + | 200 | = |
|
| 6. | 292 | + | 277 | = |
|
| 7. | 460 | + | 137 | = |
|
| 8. | 442 | + | 295 | = |
|
| 9. | 407 | + | 133 | = |
|
| 10. | 346 | + | 231 | = |
|
| Oefening 4 | |||||
| 1. | 413 | + | 211 | = |
|
| 2. | 246 | + | 185 | = |
|
| 3. | 319 | + | 175 | = |
|
| 4. | 483 | + | 453 | = |
|
| 5. | 281 | + | 195 | = |
|
| 6. | 360 | + | 171 | = |
|
| 7. | 297 | + | 220 | = |
|
| 8. | 469 | + | 346 | = |
|
| 9. | 303 | + | 271 | = |
|
| 10. | 422 | + | 105 | = |
|