Erbijsommen tot 1.000
Optellen
| Oefening 1 | |||||
| 1. | 306 | + | 270 | = |
|
| 2. | 336 | + | 124 | = |
|
| 3. | 319 | + | 199 | = |
|
| 4. | 344 | + | 274 | = |
|
| 5. | 351 | + | 227 | = |
|
| 6. | 390 | + | 367 | = |
|
| 7. | 228 | + | 160 | = |
|
| 8. | 446 | + | 142 | = |
|
| 9. | 225 | + | 138 | = |
|
| 10. | 421 | + | 275 | = |
|
| Oefening 2 | |||||
| 1. | 419 | + | 118 | = |
|
| 2. | 288 | + | 262 | = |
|
| 3. | 364 | + | 340 | = |
|
| 4. | 481 | + | 241 | = |
|
| 5. | 164 | + | 146 | = |
|
| 6. | 296 | + | 145 | = |
|
| 7. | 246 | + | 192 | = |
|
| 8. | 463 | + | 201 | = |
|
| 9. | 240 | + | 101 | = |
|
| 10. | 322 | + | 162 | = |
|
| Oefening 3 | |||||
| 1. | 427 | + | 132 | = |
|
| 2. | 279 | + | 173 | = |
|
| 3. | 473 | + | 353 | = |
|
| 4. | 167 | + | 151 | = |
|
| 5. | 425 | + | 313 | = |
|
| 6. | 314 | + | 171 | = |
|
| 7. | 395 | + | 153 | = |
|
| 8. | 381 | + | 237 | = |
|
| 9. | 458 | + | 126 | = |
|
| 10. | 382 | + | 362 | = |
|
| Oefening 4 | |||||
| 1. | 491 | + | 447 | = |
|
| 2. | 459 | + | 182 | = |
|
| 3. | 337 | + | 264 | = |
|
| 4. | 316 | + | 150 | = |
|
| 5. | 414 | + | 301 | = |
|
| 6. | 468 | + | 196 | = |
|
| 7. | 408 | + | 124 | = |
|
| 8. | 180 | + | 174 | = |
|
| 9. | 376 | + | 119 | = |
|
| 10. | 485 | + | 230 | = |
|