Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 445 | + | 249 | = |
|
| 2. | 439 | + | 414 | = |
|
| 3. | 491 | + | 239 | = |
|
| 4. | 323 | + | 238 | = |
|
| 5. | 355 | + | 333 | = |
|
| 6. | 393 | + | 133 | = |
|
| 7. | 322 | + | 213 | = |
|
| 8. | 474 | + | 407 | = |
|
| 9. | 202 | + | 117 | = |
|
| 10. | 460 | + | 451 | = |
|
| Oefening 2 | |||||
| 1. | 254 | + | 219 | = |
|
| 2. | 487 | + | 118 | = |
|
| 3. | 241 | + | 151 | = |
|
| 4. | 230 | + | 194 | = |
|
| 5. | 387 | + | 263 | = |
|
| 6. | 300 | + | 110 | = |
|
| 7. | 371 | + | 104 | = |
|
| 8. | 482 | + | 452 | = |
|
| 9. | 115 | + | 108 | = |
|
| 10. | 321 | + | 200 | = |
|
| Oefening 3 | |||||
| 1. | 388 | + | 279 | = |
|
| 2. | 263 | + | 214 | = |
|
| 3. | 394 | + | 169 | = |
|
| 4. | 375 | + | 153 | = |
|
| 5. | 499 | + | 241 | = |
|
| 6. | 408 | + | 223 | = |
|
| 7. | 456 | + | 445 | = |
|
| 8. | 311 | + | 142 | = |
|
| 9. | 379 | + | 297 | = |
|
| 10. | 486 | + | 287 | = |
|
| Oefening 4 | |||||
| 1. | 489 | + | 397 | = |
|
| 2. | 398 | + | 223 | = |
|
| 3. | 331 | + | 313 | = |
|
| 4. | 284 | + | 269 | = |
|
| 5. | 309 | + | 213 | = |
|
| 6. | 325 | + | 111 | = |
|
| 7. | 257 | + | 114 | = |
|
| 8. | 382 | + | 123 | = |
|
| 9. | 206 | + | 143 | = |
|
| 10. | 438 | + | 298 | = |
|