Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 384 | + | 257 | = |
|
| 2. | 420 | + | 191 | = |
|
| 3. | 286 | + | 264 | = |
|
| 4. | 355 | + | 223 | = |
|
| 5. | 403 | + | 213 | = |
|
| 6. | 489 | + | 267 | = |
|
| 7. | 401 | + | 301 | = |
|
| 8. | 415 | + | 232 | = |
|
| 9. | 330 | + | 252 | = |
|
| 10. | 407 | + | 331 | = |
|
| Oefening 2 | |||||
| 1. | 452 | + | 270 | = |
|
| 2. | 389 | + | 370 | = |
|
| 3. | 396 | + | 379 | = |
|
| 4. | 433 | + | 262 | = |
|
| 5. | 113 | + | 107 | = |
|
| 6. | 475 | + | 380 | = |
|
| 7. | 487 | + | 389 | = |
|
| 8. | 379 | + | 164 | = |
|
| 9. | 317 | + | 200 | = |
|
| 10. | 237 | + | 170 | = |
|
| Oefening 3 | |||||
| 1. | 374 | + | 314 | = |
|
| 2. | 294 | + | 241 | = |
|
| 3. | 431 | + | 277 | = |
|
| 4. | 421 | + | 377 | = |
|
| 5. | 335 | + | 314 | = |
|
| 6. | 495 | + | 304 | = |
|
| 7. | 485 | + | 473 | = |
|
| 8. | 235 | + | 133 | = |
|
| 9. | 384 | + | 315 | = |
|
| 10. | 462 | + | 123 | = |
|
| Oefening 4 | |||||
| 1. | 456 | + | 319 | = |
|
| 2. | 373 | + | 249 | = |
|
| 3. | 447 | + | 154 | = |
|
| 4. | 359 | + | 301 | = |
|
| 5. | 331 | + | 196 | = |
|
| 6. | 393 | + | 235 | = |
|
| 7. | 164 | + | 125 | = |
|
| 8. | 471 | + | 171 | = |
|
| 9. | 419 | + | 270 | = |
|
| 10. | 239 | + | 131 | = |
|