Optellen van honderdtallen
Erbijsommen
| Oefening 1 | |||||
| 1. | 500 | + | 100 | = |
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| 2. | 400 | + | 400 | = |
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| 3. | 600 | + | 400 | = |
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| 4. | 300 | + | 300 | = |
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| 5. | 200 | + | 200 | = |
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| 6. | 500 | + | 500 | = |
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| 7. | 300 | + | 300 | = |
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| 8. | 900 | + | 100 | = |
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| 9. | 900 | + | 100 | = |
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| 10. | 600 | + | 200 | = |
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| Oefening 2 | |||||
| 1. | 400 | + | 600 | = |
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| 2. | 600 | + | 100 | = |
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| 3. | 600 | + | 400 | = |
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| 4. | 700 | + | 200 | = |
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| 5. | 600 | + | 200 | = |
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| 6. | 400 | + | 400 | = |
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| 7. | 600 | + | 200 | = |
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| 8. | 400 | + | 100 | = |
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| 9. | 800 | + | 200 | = |
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| 10. | 500 | + | 100 | = |
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| Oefening 3 | |||||
| 1. | 600 | + | 100 | = |
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| 2. | 600 | + | 100 | = |
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| 3. | 200 | + | 400 | = |
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| 4. | 900 | + | 100 | = |
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| 5. | 600 | + | 300 | = |
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| 6. | 800 | + | 100 | = |
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| 7. | 100 | + | 500 | = |
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| 8. | 100 | + | 600 | = |
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| 9. | 800 | + | 100 | = |
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| 10. | 800 | + | 100 | = |
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| Oefening 4 | |||||
| 1. | 800 | + | 200 | = |
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| 2. | 400 | + | 200 | = |
|
| 3. | 200 | + | 100 | = |
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| 4. | 200 | + | 500 | = |
|
| 5. | 700 | + | 300 | = |
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| 6. | 300 | + | 300 | = |
|
| 7. | 300 | + | 500 | = |
|
| 8. | 400 | + | 400 | = |
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| 9. | 600 | + | 200 | = |
|
| 10. | 600 | + | 200 | = |
|