Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 393 | + | 178 | = |
|
| 2. | 296 | + | 263 | = |
|
| 3. | 444 | + | 189 | = |
|
| 4. | 462 | + | 320 | = |
|
| 5. | 347 | + | 205 | = |
|
| 6. | 351 | + | 260 | = |
|
| 7. | 173 | + | 113 | = |
|
| 8. | 378 | + | 199 | = |
|
| 9. | 286 | + | 256 | = |
|
| 10. | 385 | + | 187 | = |
|
| Oefening 2 | |||||
| 1. | 426 | + | 376 | = |
|
| 2. | 343 | + | 151 | = |
|
| 3. | 309 | + | 207 | = |
|
| 4. | 496 | + | 340 | = |
|
| 5. | 233 | + | 112 | = |
|
| 6. | 355 | + | 261 | = |
|
| 7. | 383 | + | 148 | = |
|
| 8. | 304 | + | 254 | = |
|
| 9. | 215 | + | 100 | = |
|
| 10. | 314 | + | 156 | = |
|
| Oefening 3 | |||||
| 1. | 262 | + | 213 | = |
|
| 2. | 490 | + | 167 | = |
|
| 3. | 469 | + | 351 | = |
|
| 4. | 291 | + | 195 | = |
|
| 5. | 224 | + | 215 | = |
|
| 6. | 326 | + | 323 | = |
|
| 7. | 436 | + | 322 | = |
|
| 8. | 304 | + | 292 | = |
|
| 9. | 360 | + | 210 | = |
|
| 10. | 489 | + | 222 | = |
|
| Oefening 4 | |||||
| 1. | 336 | + | 134 | = |
|
| 2. | 229 | + | 168 | = |
|
| 3. | 206 | + | 176 | = |
|
| 4. | 195 | + | 110 | = |
|
| 5. | 377 | + | 309 | = |
|
| 6. | 360 | + | 195 | = |
|
| 7. | 294 | + | 276 | = |
|
| 8. | 437 | + | 287 | = |
|
| 9. | 373 | + | 321 | = |
|
| 10. | 353 | + | 308 | = |
|