Teaching of a Relation Figure and a Line Figure to Solve Proportion Problems for 5^<th> Graders

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  • 5学年「割合」単元における関係図や線分図をかいたり,よんだりする指導に関する研究
  • 5 ガクネン ワリアイ タンゲン ニ オケル カンケイズ ヤ センブンズ オ カイタリ ヨンダリスル シドウ ニ カンスル ケンキュウ

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Abstract

This study examined the effect of teaching a relation figure and a line figure on 5^<th> graders' solving proportion problems. Thirty three students were taught how to draw a relation figure and a line figure from word problems and how to make word problems from those figures in the unit of "proportion". All lessons were planned based on a mathematics lesson with a scaffolding, therefore, the important contents were taught repeatedly every lesson. The results of a post-test showed that their performance was better than the results of some national tests; they also created various word proportion problems from a relation figure and a line figure.

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