Erbijsommen tot 100
Optellen
| Oefening 1 | |||||
| 1. | 40 | + | 14 | = |
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| 2. | 15 | + | 2 | = |
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| 3. | 44 | + | 1 | = |
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| 4. | 36 | + | 23 | = |
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| 5. | 6 | + | 5 | = |
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| 6. | 35 | + | 3 | = |
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| 7. | 12 | + | 11 | = |
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| 8. | 36 | + | 30 | = |
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| 9. | 18 | + | 11 | = |
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| 10. | 33 | + | 17 | = |
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| Oefening 2 | |||||
| 1. | 10 | + | 1 | = |
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| 2. | 26 | + | 5 | = |
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| 3. | 25 | + | 23 | = |
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| 4. | 27 | + | 6 | = |
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| 5. | 29 | + | 29 | = |
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| 6. | 21 | + | 20 | = |
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| 7. | 40 | + | 34 | = |
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| 8. | 50 | + | 6 | = |
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| 9. | 15 | + | 6 | = |
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| 10. | 46 | + | 8 | = |
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| Oefening 3 | |||||
| 1. | 14 | + | 13 | = |
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| 2. | 17 | + | 9 | = |
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| 3. | 12 | + | 5 | = |
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| 4. | 42 | + | 29 | = |
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| 5. | 26 | + | 26 | = |
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| 6. | 41 | + | 12 | = |
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| 7. | 26 | + | 17 | = |
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| 8. | 20 | + | 5 | = |
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| 9. | 26 | + | 13 | = |
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| 10. | 18 | + | 6 | = |
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| Oefening 4 | |||||
| 1. | 28 | + | 22 | = |
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| 2. | 22 | + | 17 | = |
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| 3. | 36 | + | 32 | = |
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| 4. | 31 | + | 11 | = |
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| 5. | 50 | + | 43 | = |
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| 6. | 21 | + | 7 | = |
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| 7. | 36 | + | 18 | = |
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| 8. | 28 | + | 24 | = |
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| 9. | 44 | + | 20 | = |
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| 10. | 14 | + | 8 | = |
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