Optellen van tientallen t/m een honderdtal
Optellen
| Oefening 1 | |||||
| 1. | 140 | + | 60 | = |
|
| 2. | 770 | + | 30 | = |
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| 3. | 760 | + | 40 | = |
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| 4. | 240 | + | 60 | = |
|
| 5. | 450 | + | 50 | = |
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| 6. | 880 | + | 20 | = |
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| 7. | 420 | + | 80 | = |
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| 8. | 790 | + | 10 | = |
|
| 9. | 380 | + | 20 | = |
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| 10. | 120 | + | 80 | = |
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| Oefening 2 | |||||
| 1. | 720 | + | 80 | = |
|
| 2. | 230 | + | 70 | = |
|
| 3. | 550 | + | 50 | = |
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| 4. | 340 | + | 60 | = |
|
| 5. | 170 | + | 30 | = |
|
| 6. | 910 | + | 90 | = |
|
| 7. | 190 | + | 10 | = |
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| 8. | 120 | + | 80 | = |
|
| 9. | 150 | + | 50 | = |
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| 10. | 170 | + | 30 | = |
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| Oefening 3 | |||||
| 1. | 580 | + | 20 | = |
|
| 2. | 440 | + | 60 | = |
|
| 3. | 730 | + | 70 | = |
|
| 4. | 270 | + | 30 | = |
|
| 5. | 740 | + | 60 | = |
|
| 6. | 170 | + | 30 | = |
|
| 7. | 340 | + | 60 | = |
|
| 8. | 330 | + | 70 | = |
|
| 9. | 560 | + | 40 | = |
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| 10. | 320 | + | 80 | = |
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| Oefening 4 | |||||
| 1. | 220 | + | 80 | = |
|
| 2. | 150 | + | 50 | = |
|
| 3. | 620 | + | 80 | = |
|
| 4. | 840 | + | 60 | = |
|
| 5. | 230 | + | 70 | = |
|
| 6. | 940 | + | 60 | = |
|
| 7. | 750 | + | 50 | = |
|
| 8. | 280 | + | 20 | = |
|
| 9. | 690 | + | 10 | = |
|
| 10. | 340 | + | 60 | = |
|