Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 452 | + | 234 | = |
|
| 2. | 151 | + | 110 | = |
|
| 3. | 347 | + | 326 | = |
|
| 4. | 409 | + | 136 | = |
|
| 5. | 377 | + | 239 | = |
|
| 6. | 171 | + | 116 | = |
|
| 7. | 488 | + | 318 | = |
|
| 8. | 488 | + | 411 | = |
|
| 9. | 209 | + | 186 | = |
|
| 10. | 455 | + | 289 | = |
|
| Oefening 2 | |||||
| 1. | 257 | + | 157 | = |
|
| 2. | 451 | + | 185 | = |
|
| 3. | 397 | + | 367 | = |
|
| 4. | 315 | + | 171 | = |
|
| 5. | 346 | + | 341 | = |
|
| 6. | 263 | + | 178 | = |
|
| 7. | 497 | + | 466 | = |
|
| 8. | 227 | + | 224 | = |
|
| 9. | 462 | + | 152 | = |
|
| 10. | 254 | + | 113 | = |
|
| Oefening 3 | |||||
| 1. | 466 | + | 148 | = |
|
| 2. | 309 | + | 195 | = |
|
| 3. | 358 | + | 344 | = |
|
| 4. | 420 | + | 208 | = |
|
| 5. | 455 | + | 282 | = |
|
| 6. | 327 | + | 325 | = |
|
| 7. | 398 | + | 227 | = |
|
| 8. | 414 | + | 247 | = |
|
| 9. | 377 | + | 367 | = |
|
| 10. | 450 | + | 338 | = |
|
| Oefening 4 | |||||
| 1. | 486 | + | 260 | = |
|
| 2. | 287 | + | 227 | = |
|
| 3. | 500 | + | 189 | = |
|
| 4. | 459 | + | 409 | = |
|
| 5. | 239 | + | 162 | = |
|
| 6. | 433 | + | 372 | = |
|
| 7. | 414 | + | 137 | = |
|
| 8. | 400 | + | 337 | = |
|
| 9. | 308 | + | 191 | = |
|
| 10. | 311 | + | 195 | = |
|