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Home > Wen Yuan (Primary School Edition) > 2018 No.11 > 除法就是平均分?

  • 除法就是平均分?

    Author(s)：

    卢盟

    Publication Title：

    Wen Yuan (Primary School Edition) 2018 No.11

    Affiliations：

    自达中学附属小学 陕西 西安 710032

    Abstract：

    [除法意义有二:一是乘法的逆运算;二是表示两个数的比.平均分只是逆运算意义中求另一个因数的手段和方法.二年级上册初步感知两种意义,下册开始平均分物来理解除法的意义.至五年级上册,开始呈现除法用来表示两个数的关系的意义.六年级上册 "比的认识"更深刻地体现两数关系的意义.本文通过梳理,沟通各学段除法意义的变化,让学生更全面,更清晰地认识除法.]

    Keywords：

    除法意义;逆运算;梳理沟通

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    [1] 卢盟.除法就是平均分?[J].Wen Yuan (Primary School Edition),2018(11),.

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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