Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 484 | + | 480 | = |
|
| 2. | 315 | + | 251 | = |
|
| 3. | 182 | + | 143 | = |
|
| 4. | 405 | + | 220 | = |
|
| 5. | 255 | + | 226 | = |
|
| 6. | 175 | + | 125 | = |
|
| 7. | 403 | + | 134 | = |
|
| 8. | 277 | + | 230 | = |
|
| 9. | 492 | + | 417 | = |
|
| 10. | 451 | + | 437 | = |
|
| Oefening 2 | |||||
| 1. | 414 | + | 109 | = |
|
| 2. | 468 | + | 435 | = |
|
| 3. | 255 | + | 222 | = |
|
| 4. | 419 | + | 417 | = |
|
| 5. | 273 | + | 107 | = |
|
| 6. | 470 | + | 384 | = |
|
| 7. | 396 | + | 169 | = |
|
| 8. | 134 | + | 109 | = |
|
| 9. | 499 | + | 338 | = |
|
| 10. | 259 | + | 216 | = |
|
| Oefening 3 | |||||
| 1. | 203 | + | 180 | = |
|
| 2. | 353 | + | 157 | = |
|
| 3. | 242 | + | 104 | = |
|
| 4. | 327 | + | 223 | = |
|
| 5. | 246 | + | 119 | = |
|
| 6. | 419 | + | 342 | = |
|
| 7. | 455 | + | 350 | = |
|
| 8. | 295 | + | 270 | = |
|
| 9. | 469 | + | 464 | = |
|
| 10. | 382 | + | 309 | = |
|
| Oefening 4 | |||||
| 1. | 314 | + | 202 | = |
|
| 2. | 473 | + | 195 | = |
|
| 3. | 306 | + | 245 | = |
|
| 4. | 426 | + | 317 | = |
|
| 5. | 240 | + | 209 | = |
|
| 6. | 457 | + | 443 | = |
|
| 7. | 189 | + | 101 | = |
|
| 8. | 383 | + | 309 | = |
|
| 9. | 470 | + | 439 | = |
|
| 10. | 405 | + | 250 | = |
|