Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 210 | + | 196 | = |
|
| 2. | 484 | + | 383 | = |
|
| 3. | 265 | + | 134 | = |
|
| 4. | 453 | + | 246 | = |
|
| 5. | 447 | + | 423 | = |
|
| 6. | 418 | + | 387 | = |
|
| 7. | 255 | + | 206 | = |
|
| 8. | 392 | + | 218 | = |
|
| 9. | 459 | + | 222 | = |
|
| 10. | 320 | + | 292 | = |
|
| Oefening 2 | |||||
| 1. | 225 | + | 126 | = |
|
| 2. | 247 | + | 215 | = |
|
| 3. | 334 | + | 265 | = |
|
| 4. | 459 | + | 107 | = |
|
| 5. | 423 | + | 124 | = |
|
| 6. | 389 | + | 358 | = |
|
| 7. | 425 | + | 260 | = |
|
| 8. | 329 | + | 235 | = |
|
| 9. | 411 | + | 407 | = |
|
| 10. | 480 | + | 165 | = |
|
| Oefening 3 | |||||
| 1. | 310 | + | 224 | = |
|
| 2. | 236 | + | 190 | = |
|
| 3. | 497 | + | 463 | = |
|
| 4. | 374 | + | 180 | = |
|
| 5. | 411 | + | 234 | = |
|
| 6. | 311 | + | 299 | = |
|
| 7. | 174 | + | 118 | = |
|
| 8. | 405 | + | 362 | = |
|
| 9. | 384 | + | 339 | = |
|
| 10. | 388 | + | 122 | = |
|
| Oefening 4 | |||||
| 1. | 475 | + | 221 | = |
|
| 2. | 215 | + | 187 | = |
|
| 3. | 271 | + | 161 | = |
|
| 4. | 351 | + | 145 | = |
|
| 5. | 496 | + | 239 | = |
|
| 6. | 448 | + | 195 | = |
|
| 7. | 462 | + | 372 | = |
|
| 8. | 372 | + | 164 | = |
|
| 9. | 235 | + | 138 | = |
|
| 10. | 470 | + | 247 | = |
|