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Home > Wen Yuan (Middle School Edition) > 2024 No.11 > 重视基本图形变式，培育学生模型观念——以《相似三角形之一线三等角》为例

  • 重视基本图形变式，培育学生模型观念——以《相似三角形之一线三等角》为例

    Author(s)：

    徐莉丽

    Publication Title：

    Wen Yuan (Middle School Edition) 2024 No.11

    Affiliations：

    萍乡市田家炳中学

    Abstract：

    “一线三等角”模型是初中数学几何学习中的重要模型，也是初中数学学考高频考点。相似三角形之一线三等角是在学习了相似三角形的判定定理后的专题复习。本文从“一线三等角”的专题教学，重视“一线三等角”图形变式，培育学生模型观念。

    Keywords：

    一线三等角；变式；模型观念

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    [1] 徐莉丽.重视基本图形变式，培育学生模型观念——以《相似三角形之一线三等角》为例[J].Wen Yuan (Middle School Edition),2024(11),.

文渊(中学版)
Wen Yuan (Middle School Edition)

Language: 中文

CN：11-9275/G

ISSN：2096-627X

Publication Frequency: 月刊

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