Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 417 | + | 274 | = |
|
| 2. | 374 | + | 360 | = |
|
| 3. | 214 | + | 152 | = |
|
| 4. | 491 | + | 402 | = |
|
| 5. | 472 | + | 164 | = |
|
| 6. | 123 | + | 101 | = |
|
| 7. | 172 | + | 121 | = |
|
| 8. | 371 | + | 124 | = |
|
| 9. | 496 | + | 162 | = |
|
| 10. | 270 | + | 242 | = |
|
| Oefening 2 | |||||
| 1. | 404 | + | 305 | = |
|
| 2. | 500 | + | 125 | = |
|
| 3. | 451 | + | 219 | = |
|
| 4. | 244 | + | 119 | = |
|
| 5. | 448 | + | 180 | = |
|
| 6. | 229 | + | 202 | = |
|
| 7. | 449 | + | 392 | = |
|
| 8. | 304 | + | 102 | = |
|
| 9. | 401 | + | 265 | = |
|
| 10. | 275 | + | 100 | = |
|
| Oefening 3 | |||||
| 1. | 466 | + | 321 | = |
|
| 2. | 367 | + | 100 | = |
|
| 3. | 241 | + | 104 | = |
|
| 4. | 399 | + | 213 | = |
|
| 5. | 478 | + | 170 | = |
|
| 6. | 445 | + | 391 | = |
|
| 7. | 482 | + | 389 | = |
|
| 8. | 333 | + | 260 | = |
|
| 9. | 430 | + | 111 | = |
|
| 10. | 320 | + | 270 | = |
|
| Oefening 4 | |||||
| 1. | 158 | + | 140 | = |
|
| 2. | 423 | + | 419 | = |
|
| 3. | 363 | + | 267 | = |
|
| 4. | 377 | + | 126 | = |
|
| 5. | 349 | + | 136 | = |
|
| 6. | 186 | + | 170 | = |
|
| 7. | 348 | + | 243 | = |
|
| 8. | 318 | + | 258 | = |
|
| 9. | 208 | + | 200 | = |
|
| 10. | 370 | + | 326 | = |
|