Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 141 | + | 134 | = |
|
| 2. | 150 | + | 128 | = |
|
| 3. | 397 | + | 296 | = |
|
| 4. | 130 | + | 112 | = |
|
| 5. | 365 | + | 312 | = |
|
| 6. | 486 | + | 213 | = |
|
| 7. | 357 | + | 291 | = |
|
| 8. | 169 | + | 134 | = |
|
| 9. | 232 | + | 140 | = |
|
| 10. | 458 | + | 273 | = |
|
| Oefening 2 | |||||
| 1. | 217 | + | 110 | = |
|
| 2. | 411 | + | 267 | = |
|
| 3. | 399 | + | 231 | = |
|
| 4. | 430 | + | 360 | = |
|
| 5. | 451 | + | 315 | = |
|
| 6. | 470 | + | 261 | = |
|
| 7. | 408 | + | 258 | = |
|
| 8. | 431 | + | 156 | = |
|
| 9. | 462 | + | 284 | = |
|
| 10. | 282 | + | 118 | = |
|
| Oefening 3 | |||||
| 1. | 388 | + | 315 | = |
|
| 2. | 461 | + | 223 | = |
|
| 3. | 271 | + | 160 | = |
|
| 4. | 381 | + | 236 | = |
|
| 5. | 181 | + | 169 | = |
|
| 6. | 421 | + | 185 | = |
|
| 7. | 345 | + | 127 | = |
|
| 8. | 373 | + | 314 | = |
|
| 9. | 289 | + | 201 | = |
|
| 10. | 474 | + | 179 | = |
|
| Oefening 4 | |||||
| 1. | 499 | + | 445 | = |
|
| 2. | 237 | + | 227 | = |
|
| 3. | 483 | + | 264 | = |
|
| 4. | 382 | + | 338 | = |
|
| 5. | 450 | + | 226 | = |
|
| 6. | 490 | + | 369 | = |
|
| 7. | 376 | + | 367 | = |
|
| 8. | 295 | + | 278 | = |
|
| 9. | 269 | + | 229 | = |
|
| 10. | 368 | + | 185 | = |
|