Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 145 | + | 103 | = |
|
| 2. | 353 | + | 308 | = |
|
| 3. | 222 | + | 210 | = |
|
| 4. | 447 | + | 441 | = |
|
| 5. | 394 | + | 186 | = |
|
| 6. | 377 | + | 305 | = |
|
| 7. | 380 | + | 197 | = |
|
| 8. | 298 | + | 177 | = |
|
| 9. | 442 | + | 264 | = |
|
| 10. | 257 | + | 123 | = |
|
| Oefening 2 | |||||
| 1. | 140 | + | 107 | = |
|
| 2. | 277 | + | 158 | = |
|
| 3. | 287 | + | 261 | = |
|
| 4. | 390 | + | 141 | = |
|
| 5. | 343 | + | 250 | = |
|
| 6. | 439 | + | 400 | = |
|
| 7. | 352 | + | 226 | = |
|
| 8. | 359 | + | 334 | = |
|
| 9. | 421 | + | 364 | = |
|
| 10. | 241 | + | 148 | = |
|
| Oefening 3 | |||||
| 1. | 370 | + | 328 | = |
|
| 2. | 441 | + | 425 | = |
|
| 3. | 236 | + | 155 | = |
|
| 4. | 498 | + | 328 | = |
|
| 5. | 274 | + | 171 | = |
|
| 6. | 321 | + | 226 | = |
|
| 7. | 498 | + | 174 | = |
|
| 8. | 240 | + | 236 | = |
|
| 9. | 496 | + | 399 | = |
|
| 10. | 308 | + | 150 | = |
|
| Oefening 4 | |||||
| 1. | 470 | + | 309 | = |
|
| 2. | 373 | + | 271 | = |
|
| 3. | 415 | + | 339 | = |
|
| 4. | 276 | + | 136 | = |
|
| 5. | 326 | + | 164 | = |
|
| 6. | 351 | + | 287 | = |
|
| 7. | 229 | + | 177 | = |
|
| 8. | 159 | + | 121 | = |
|
| 9. | 463 | + | 206 | = |
|
| 10. | 448 | + | 186 | = |
|