Erbijsommen tot 100
Optellen
| Oefening 1 | |||||
| 1. | 41 | + | 34 | = |
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| 2. | 25 | + | 19 | = |
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| 3. | 32 | + | 10 | = |
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| 4. | 49 | + | 16 | = |
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| 5. | 31 | + | 27 | = |
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| 6. | 24 | + | 10 | = |
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| 7. | 29 | + | 20 | = |
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| 8. | 47 | + | 20 | = |
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| 9. | 36 | + | 23 | = |
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| 10. | 33 | + | 28 | = |
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| Oefening 2 | |||||
| 1. | 44 | + | 36 | = |
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| 2. | 20 | + | 10 | = |
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| 3. | 40 | + | 29 | = |
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| 4. | 35 | + | 14 | = |
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| 5. | 36 | + | 26 | = |
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| 6. | 47 | + | 19 | = |
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| 7. | 18 | + | 15 | = |
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| 8. | 11 | + | 10 | = |
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| 9. | 44 | + | 39 | = |
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| 10. | 36 | + | 28 | = |
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| Oefening 3 | |||||
| 1. | 33 | + | 27 | = |
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| 2. | 46 | + | 26 | = |
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| 3. | 47 | + | 24 | = |
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| 4. | 38 | + | 26 | = |
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| 5. | 42 | + | 24 | = |
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| 6. | 43 | + | 42 | = |
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| 7. | 40 | + | 21 | = |
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| 8. | 26 | + | 25 | = |
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| 9. | 29 | + | 21 | = |
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| 10. | 19 | + | 17 | = |
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| Oefening 4 | |||||
| 1. | 50 | + | 40 | = |
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| 2. | 16 | + | 10 | = |
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| 3. | 17 | + | 17 | = |
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| 4. | 28 | + | 17 | = |
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| 5. | 43 | + | 19 | = |
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| 6. | 30 | + | 18 | = |
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| 7. | 35 | + | 21 | = |
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| 8. | 20 | + | 19 | = |
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| 9. | 33 | + | 30 | = |
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| 10. | 35 | + | 14 | = |
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