Optellen van tientallen t/m een honderdtal
Optellen
| Oefening 1 | |||||
| 1. | 530 | + | 70 | = |
|
| 2. | 450 | + | 50 | = |
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| 3. | 510 | + | 90 | = |
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| 4. | 420 | + | 80 | = |
|
| 5. | 440 | + | 60 | = |
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| 6. | 520 | + | 80 | = |
|
| 7. | 360 | + | 40 | = |
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| 8. | 560 | + | 40 | = |
|
| 9. | 240 | + | 60 | = |
|
| 10. | 280 | + | 20 | = |
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| Oefening 2 | |||||
| 1. | 740 | + | 60 | = |
|
| 2. | 280 | + | 20 | = |
|
| 3. | 150 | + | 50 | = |
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| 4. | 230 | + | 70 | = |
|
| 5. | 570 | + | 30 | = |
|
| 6. | 780 | + | 20 | = |
|
| 7. | 910 | + | 90 | = |
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| 8. | 810 | + | 90 | = |
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| 9. | 270 | + | 30 | = |
|
| 10. | 430 | + | 70 | = |
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| Oefening 3 | |||||
| 1. | 430 | + | 70 | = |
|
| 2. | 220 | + | 80 | = |
|
| 3. | 150 | + | 50 | = |
|
| 4. | 890 | + | 10 | = |
|
| 5. | 250 | + | 50 | = |
|
| 6. | 340 | + | 60 | = |
|
| 7. | 440 | + | 60 | = |
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| 8. | 490 | + | 10 | = |
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| 9. | 110 | + | 90 | = |
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| 10. | 150 | + | 50 | = |
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| Oefening 4 | |||||
| 1. | 580 | + | 20 | = |
|
| 2. | 580 | + | 20 | = |
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| 3. | 520 | + | 80 | = |
|
| 4. | 380 | + | 20 | = |
|
| 5. | 610 | + | 90 | = |
|
| 6. | 740 | + | 60 | = |
|
| 7. | 630 | + | 70 | = |
|
| 8. | 590 | + | 10 | = |
|
| 9. | 360 | + | 40 | = |
|
| 10. | 970 | + | 30 | = |
|