Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 370 | + | 282 | = |
|
| 2. | 421 | + | 234 | = |
|
| 3. | 436 | + | 167 | = |
|
| 4. | 452 | + | 141 | = |
|
| 5. | 244 | + | 195 | = |
|
| 6. | 411 | + | 407 | = |
|
| 7. | 387 | + | 179 | = |
|
| 8. | 481 | + | 266 | = |
|
| 9. | 405 | + | 388 | = |
|
| 10. | 330 | + | 105 | = |
|
| Oefening 2 | |||||
| 1. | 318 | + | 189 | = |
|
| 2. | 334 | + | 200 | = |
|
| 3. | 252 | + | 206 | = |
|
| 4. | 310 | + | 128 | = |
|
| 5. | 437 | + | 309 | = |
|
| 6. | 328 | + | 302 | = |
|
| 7. | 428 | + | 134 | = |
|
| 8. | 433 | + | 188 | = |
|
| 9. | 305 | + | 262 | = |
|
| 10. | 139 | + | 130 | = |
|
| Oefening 3 | |||||
| 1. | 400 | + | 297 | = |
|
| 2. | 447 | + | 308 | = |
|
| 3. | 494 | + | 135 | = |
|
| 4. | 394 | + | 374 | = |
|
| 5. | 499 | + | 211 | = |
|
| 6. | 493 | + | 268 | = |
|
| 7. | 269 | + | 249 | = |
|
| 8. | 457 | + | 226 | = |
|
| 9. | 321 | + | 139 | = |
|
| 10. | 215 | + | 175 | = |
|
| Oefening 4 | |||||
| 1. | 460 | + | 211 | = |
|
| 2. | 455 | + | 418 | = |
|
| 3. | 216 | + | 118 | = |
|
| 4. | 316 | + | 193 | = |
|
| 5. | 488 | + | 487 | = |
|
| 6. | 254 | + | 148 | = |
|
| 7. | 168 | + | 128 | = |
|
| 8. | 441 | + | 424 | = |
|
| 9. | 410 | + | 357 | = |
|
| 10. | 411 | + | 406 | = |
|