Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 418 | + | 171 | = |
|
| 2. | 315 | + | 162 | = |
|
| 3. | 409 | + | 197 | = |
|
| 4. | 451 | + | 323 | = |
|
| 5. | 212 | + | 132 | = |
|
| 6. | 471 | + | 121 | = |
|
| 7. | 182 | + | 100 | = |
|
| 8. | 231 | + | 139 | = |
|
| 9. | 417 | + | 226 | = |
|
| 10. | 293 | + | 218 | = |
|
| Oefening 2 | |||||
| 1. | 441 | + | 189 | = |
|
| 2. | 500 | + | 322 | = |
|
| 3. | 336 | + | 207 | = |
|
| 4. | 475 | + | 192 | = |
|
| 5. | 301 | + | 247 | = |
|
| 6. | 462 | + | 277 | = |
|
| 7. | 296 | + | 139 | = |
|
| 8. | 273 | + | 142 | = |
|
| 9. | 412 | + | 188 | = |
|
| 10. | 330 | + | 283 | = |
|
| Oefening 3 | |||||
| 1. | 466 | + | 204 | = |
|
| 2. | 429 | + | 160 | = |
|
| 3. | 483 | + | 155 | = |
|
| 4. | 363 | + | 223 | = |
|
| 5. | 424 | + | 381 | = |
|
| 6. | 451 | + | 131 | = |
|
| 7. | 433 | + | 309 | = |
|
| 8. | 473 | + | 389 | = |
|
| 9. | 287 | + | 101 | = |
|
| 10. | 386 | + | 300 | = |
|
| Oefening 4 | |||||
| 1. | 443 | + | 203 | = |
|
| 2. | 480 | + | 168 | = |
|
| 3. | 454 | + | 125 | = |
|
| 4. | 270 | + | 139 | = |
|
| 5. | 223 | + | 115 | = |
|
| 6. | 424 | + | 326 | = |
|
| 7. | 396 | + | 102 | = |
|
| 8. | 372 | + | 338 | = |
|
| 9. | 403 | + | 105 | = |
|
| 10. | 218 | + | 128 | = |
|