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教 学内容小学数学第十册第８４～８５页。数学设想学生在第五册已借助直观教学 ,初步认识了分数。本节课要让学生从感性认识上升到理性认识 ,实质性地概括出分数的意义。而建立单位“１”的概念 ,又是归纳出分数意义的前提。所以正确理解单位“１”的含义是本节课的教学重点。
Teaching content Primary school mathematics tenth volumes 84 ~ 85 pages. Mathematics Imagine students in the fifth book has been using visual teaching, preliminary understanding of the score. This lesson should enable students to rise from perceptual awareness to rational understanding, substantially summarized the significance of the score. The establishment of the unit “1” concept, but also summed up the significance of the premise. Therefore, the correct understanding of the meaning of unit “1” is the focus of this lesson.