| Project/Area Number |
06680184
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| Research Category |
Grant-in-Aid for General Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Research Field |
Science education
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| Research Institution | SCIENCE UNIVERSITY OF TOKYO |
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Principal Investigator |
HOSOI Tsutomu SCIENCE UNIVERSITY OF TOKYO, SCIENCE AND TECHNOLOGY, PROFESSOR, 理工学部, 教授 (30055305)
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| Co-Investigator(Kenkyū-buntansha) |
MORI Masao CHUO UNIVERSITY, SCIENCE AND TECHNOLOGY, LECTURER, 理工学部, 講師 (30055181)
NAGANO Higashi SCIENCE UNIVERSITY OF TOKYO, SCIENCE, LECTURER, 理学部, 講師 (10198343)
SHIMADA Shigeru SCIENCE UNIVERSITY OF TOKYO, SCIENCE, PROFESSOR, 理学部, 教授 (00000034)
MATSUO Yoshitomo SCIENCE UNIVERSITY OF TOKYO, SCIENCE, PROFESSOR, 理学部, 教授 (60103024)
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| Project Period (FY) |
1994 – 1995
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| Project Status |
Completed (Fiscal Year 1995)
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| Budget Amount *help |
¥1,200,000 (Direct Cost: ¥1,200,000)
Fiscal Year 1995: ¥700,000 (Direct Cost: ¥700,000)
Fiscal Year 1994: ¥500,000 (Direct Cost: ¥500,000)
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| Keywords | Mathematical Education / Mathematical terms / Definition Sentences / Incompletely defined notions / 定義の文体 |
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| Research Abstract |
We investigated into the mathematical terms and mathematical notions used in the mathematical education of the elementary and the middle level. We found many concrete examples of terms and notions incompletely or insufficiently defined.
One example of such is "ippan-kaku", which is a Japanese word for English "general angle". It is not clear if this notion is a generalized notion for angles or a generalized notion for expressing the measure of angles, and so, it is not clear if the expression as 40ﾟ can be regarded as " ippan-kaku" or not. If the expression as 40ﾟ +n*360ﾟ (n=0, <plus-minus>1, <plus-minus>2, <plus-minus>3, ・・・) is "ippan-kaku", then this is neither an angle nor an expression for an angle, but something else. This makes pupils confused when they are asked in examinations "to answer the problem using ippan-
We published three books to explain these linguistic problems.
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