Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 361 | + | 126 | = |
|
| 2. | 457 | + | 439 | = |
|
| 3. | 250 | + | 109 | = |
|
| 4. | 369 | + | 305 | = |
|
| 5. | 269 | + | 184 | = |
|
| 6. | 392 | + | 134 | = |
|
| 7. | 285 | + | 271 | = |
|
| 8. | 482 | + | 209 | = |
|
| 9. | 380 | + | 238 | = |
|
| 10. | 386 | + | 108 | = |
|
| Oefening 2 | |||||
| 1. | 305 | + | 261 | = |
|
| 2. | 163 | + | 158 | = |
|
| 3. | 298 | + | 187 | = |
|
| 4. | 491 | + | 174 | = |
|
| 5. | 388 | + | 105 | = |
|
| 6. | 492 | + | 303 | = |
|
| 7. | 346 | + | 210 | = |
|
| 8. | 438 | + | 401 | = |
|
| 9. | 392 | + | 354 | = |
|
| 10. | 207 | + | 202 | = |
|
| Oefening 3 | |||||
| 1. | 362 | + | 131 | = |
|
| 2. | 387 | + | 254 | = |
|
| 3. | 275 | + | 193 | = |
|
| 4. | 371 | + | 194 | = |
|
| 5. | 468 | + | 119 | = |
|
| 6. | 481 | + | 368 | = |
|
| 7. | 457 | + | 271 | = |
|
| 8. | 371 | + | 195 | = |
|
| 9. | 486 | + | 422 | = |
|
| 10. | 462 | + | 367 | = |
|
| Oefening 4 | |||||
| 1. | 223 | + | 147 | = |
|
| 2. | 429 | + | 180 | = |
|
| 3. | 368 | + | 279 | = |
|
| 4. | 227 | + | 218 | = |
|
| 5. | 340 | + | 241 | = |
|
| 6. | 415 | + | 270 | = |
|
| 7. | 455 | + | 230 | = |
|
| 8. | 324 | + | 230 | = |
|
| 9. | 418 | + | 375 | = |
|
| 10. | 300 | + | 216 | = |
|