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Home > Wen Yuan (Primary School Edition) > 2019 No.08 > 回归定义 探寻三视图还原方法

  • 回归定义 探寻三视图还原方法

    Author(s)：

    杨宝华

    Publication Title：

    Wen Yuan (Primary School Edition) 2019 No.08

    Affiliations：

    金台高级中学 陕西 宝鸡 721001

    Abstract：

    考试大纲对学生的空间想象能力有明确的要求,对三视图也要求能识别所表示的物体,而学生在这里由于空间想象能力的缺失,往往对此类题感觉无处下手.好的还原方法就成为教学必不可少的教学内容.笔者探索三视图定义的本质,运用简单的空间推理,总结了简单组合体的还原、"拔点法"还原、"三线交点法"还原三种方法.2017年版普通高中数学课程标准高中数学教学以发展学生数学学科核心素养为导向,创设合适的教学情境,启发学生思考,引导学生把握数学内容的本质.

    Keywords：

    三视图;还原

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    [1] 杨宝华.回归定义 探寻三视图还原方法[J].Wen Yuan (Primary School Edition),2019(08),.

文渊(小学版)
Wen Yuan (Primary School Edition)

Language: 中文

CN：11-9274/G

ISSN：2096-6261

Publication Frequency: 月刊

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