Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 300 | + | 227 | = |
|
| 2. | 499 | + | 373 | = |
|
| 3. | 448 | + | 375 | = |
|
| 4. | 355 | + | 224 | = |
|
| 5. | 473 | + | 439 | = |
|
| 6. | 330 | + | 321 | = |
|
| 7. | 381 | + | 216 | = |
|
| 8. | 351 | + | 293 | = |
|
| 9. | 258 | + | 143 | = |
|
| 10. | 329 | + | 258 | = |
|
| Oefening 2 | |||||
| 1. | 361 | + | 150 | = |
|
| 2. | 262 | + | 238 | = |
|
| 3. | 433 | + | 137 | = |
|
| 4. | 331 | + | 232 | = |
|
| 5. | 257 | + | 134 | = |
|
| 6. | 331 | + | 329 | = |
|
| 7. | 323 | + | 169 | = |
|
| 8. | 289 | + | 233 | = |
|
| 9. | 247 | + | 171 | = |
|
| 10. | 309 | + | 132 | = |
|
| Oefening 3 | |||||
| 1. | 191 | + | 151 | = |
|
| 2. | 330 | + | 277 | = |
|
| 3. | 447 | + | 142 | = |
|
| 4. | 323 | + | 262 | = |
|
| 5. | 464 | + | 238 | = |
|
| 6. | 262 | + | 120 | = |
|
| 7. | 358 | + | 312 | = |
|
| 8. | 400 | + | 312 | = |
|
| 9. | 495 | + | 396 | = |
|
| 10. | 170 | + | 112 | = |
|
| Oefening 4 | |||||
| 1. | 354 | + | 327 | = |
|
| 2. | 390 | + | 365 | = |
|
| 3. | 490 | + | 483 | = |
|
| 4. | 284 | + | 230 | = |
|
| 5. | 258 | + | 146 | = |
|
| 6. | 266 | + | 188 | = |
|
| 7. | 386 | + | 127 | = |
|
| 8. | 444 | + | 421 | = |
|
| 9. | 299 | + | 131 | = |
|
| 10. | 459 | + | 241 | = |
|