Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 246 | + | 159 | = |
|
| 2. | 179 | + | 168 | = |
|
| 3. | 143 | + | 105 | = |
|
| 4. | 274 | + | 241 | = |
|
| 5. | 292 | + | 221 | = |
|
| 6. | 398 | + | 132 | = |
|
| 7. | 320 | + | 144 | = |
|
| 8. | 423 | + | 384 | = |
|
| 9. | 189 | + | 120 | = |
|
| 10. | 347 | + | 323 | = |
|
| Oefening 2 | |||||
| 1. | 488 | + | 213 | = |
|
| 2. | 367 | + | 364 | = |
|
| 3. | 488 | + | 277 | = |
|
| 4. | 399 | + | 102 | = |
|
| 5. | 492 | + | 421 | = |
|
| 6. | 361 | + | 200 | = |
|
| 7. | 338 | + | 197 | = |
|
| 8. | 366 | + | 195 | = |
|
| 9. | 442 | + | 108 | = |
|
| 10. | 470 | + | 338 | = |
|
| Oefening 3 | |||||
| 1. | 301 | + | 113 | = |
|
| 2. | 396 | + | 311 | = |
|
| 3. | 480 | + | 173 | = |
|
| 4. | 426 | + | 140 | = |
|
| 5. | 317 | + | 170 | = |
|
| 6. | 319 | + | 264 | = |
|
| 7. | 296 | + | 192 | = |
|
| 8. | 410 | + | 267 | = |
|
| 9. | 407 | + | 177 | = |
|
| 10. | 446 | + | 405 | = |
|
| Oefening 4 | |||||
| 1. | 438 | + | 332 | = |
|
| 2. | 453 | + | 242 | = |
|
| 3. | 240 | + | 148 | = |
|
| 4. | 429 | + | 259 | = |
|
| 5. | 326 | + | 127 | = |
|
| 6. | 433 | + | 381 | = |
|
| 7. | 347 | + | 295 | = |
|
| 8. | 487 | + | 121 | = |
|
| 9. | 407 | + | 170 | = |
|
| 10. | 458 | + | 454 | = |
|