Proportionality problems in some mathematical texts prior to
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If 30 men can reap a field in 17 days then 10 men reap the field in how many days? 2. In the questions of men and work we always use indirect variation. Now
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Twenty secondary mathematics teachers described their thinking as they solved four proportion problems (Task 1) explained how they would teach two of the
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RATIO AND PROPORTION. 121. MATHEMATICS. 7. On a shelf books with green cover and that with brown cover are in the ratio 2:3. If there are 18 books with
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The same problem was expressed by Berk and friends[1]that elementary school teacher candidate students who can solve problems involving proportional situations
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