数学教育史研究
Online ISSN : 2436-6137
Print ISSN : 1347-0221
研究論文
『数学4,5第二類』に至る中学校立体幾何の改革過程
「用器画」との融合をめぐって
片岡 啓
著者情報
ジャーナル フリー

2010 年 10 巻 p. 21-32

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抄録
The old curriculum in secondary schools was widely revised in wartime and descriptive geometry was adopted into the teaching of solid. Originally, school solid geometry was founded in 1880’s by famous mathematician Dairoku Kikuchi, and descriptive geometry called “Yokiga”, also in 1880’s by a school teacher Sakugoro Hirase. Since then, they had been taught separately in different school subjects of “mathehmatics” and “drawing and arts.” Many mathematics educators had made efforts to take descriptive geometry into the teaching of solid. Their goals vary a little, such as “to make practical geometry,” “to connect with other subjects,” or “to help students work,” but the discussion was not active mainly because the entrance examination of upper schools did not contain solid geometry. The new textbook “Mathematics 4 and 5, Category II” published in wartime, not only took descriptive geometry into the teaching of solid, but also utilized the skills of projection chart. A proof of the conic section was shown by the cross-section of a cone and plane using those skills of projection chart. This was really epoch-making, but our current junior/senior high school curriculum doesn’t have sufficient connection between solid and descriptive geometry.
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© 2010 日本数学教育史学会
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