Erbijsommen tot 100
Optellen
| Oefening 1 | |||||
| 1. | 49 | + | 32 | = |
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| 2. | 48 | + | 5 | = |
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| 3. | 34 | + | 28 | = |
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| 4. | 35 | + | 16 | = |
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| 5. | 15 | + | 5 | = |
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| 6. | 12 | + | 11 | = |
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| 7. | 13 | + | 8 | = |
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| 8. | 39 | + | 29 | = |
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| 9. | 21 | + | 10 | = |
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| 10. | 24 | + | 15 | = |
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| Oefening 2 | |||||
| 1. | 43 | + | 20 | = |
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| 2. | 40 | + | 23 | = |
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| 3. | 46 | + | 40 | = |
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| 4. | 28 | + | 16 | = |
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| 5. | 34 | + | 5 | = |
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| 6. | 34 | + | 30 | = |
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| 7. | 37 | + | 6 | = |
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| 8. | 40 | + | 30 | = |
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| 9. | 49 | + | 48 | = |
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| 10. | 26 | + | 4 | = |
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| Oefening 3 | |||||
| 1. | 45 | + | 8 | = |
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| 2. | 50 | + | 24 | = |
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| 3. | 18 | + | 10 | = |
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| 4. | 49 | + | 30 | = |
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| 5. | 39 | + | 14 | = |
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| 6. | 20 | + | 13 | = |
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| 7. | 12 | + | 1 | = |
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| 8. | 13 | + | 2 | = |
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| 9. | 34 | + | 6 | = |
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| 10. | 9 | + | 7 | = |
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| Oefening 4 | |||||
| 1. | 49 | + | 26 | = |
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| 2. | 46 | + | 22 | = |
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| 3. | 46 | + | 7 | = |
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| 4. | 25 | + | 23 | = |
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| 5. | 44 | + | 3 | = |
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| 6. | 16 | + | 13 | = |
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| 7. | 36 | + | 5 | = |
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| 8. | 47 | + | 35 | = |
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| 9. | 47 | + | 23 | = |
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| 10. | 34 | + | 14 | = |
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