Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 492 | + | 481 | = |
|
| 2. | 350 | + | 248 | = |
|
| 3. | 244 | + | 206 | = |
|
| 4. | 216 | + | 202 | = |
|
| 5. | 374 | + | 195 | = |
|
| 6. | 336 | + | 211 | = |
|
| 7. | 235 | + | 185 | = |
|
| 8. | 405 | + | 111 | = |
|
| 9. | 494 | + | 455 | = |
|
| 10. | 500 | + | 478 | = |
|
| Oefening 2 | |||||
| 1. | 423 | + | 412 | = |
|
| 2. | 448 | + | 141 | = |
|
| 3. | 224 | + | 216 | = |
|
| 4. | 418 | + | 109 | = |
|
| 5. | 410 | + | 261 | = |
|
| 6. | 429 | + | 381 | = |
|
| 7. | 397 | + | 101 | = |
|
| 8. | 355 | + | 218 | = |
|
| 9. | 433 | + | 112 | = |
|
| 10. | 320 | + | 235 | = |
|
| Oefening 3 | |||||
| 1. | 226 | + | 122 | = |
|
| 2. | 433 | + | 346 | = |
|
| 3. | 133 | + | 128 | = |
|
| 4. | 348 | + | 251 | = |
|
| 5. | 380 | + | 243 | = |
|
| 6. | 447 | + | 179 | = |
|
| 7. | 394 | + | 103 | = |
|
| 8. | 447 | + | 139 | = |
|
| 9. | 339 | + | 294 | = |
|
| 10. | 471 | + | 417 | = |
|
| Oefening 4 | |||||
| 1. | 442 | + | 148 | = |
|
| 2. | 430 | + | 178 | = |
|
| 3. | 496 | + | 137 | = |
|
| 4. | 318 | + | 147 | = |
|
| 5. | 417 | + | 249 | = |
|
| 6. | 470 | + | 320 | = |
|
| 7. | 377 | + | 261 | = |
|
| 8. | 399 | + | 241 | = |
|
| 9. | 284 | + | 105 | = |
|
| 10. | 273 | + | 261 | = |
|