主题图是教材的基本组成部分,是学生认知的桥梁,也是教学的一种资源。如何灵活运用主题图,最大限度地发挥它的重要作用呢?现结合教学实践谈一谈。一、善用主题图,挖掘有效内涵叶圣陶先生曾经说过:“教材只能作为教课的依据,要教得好,使学生受益,还要老师善于运用。”主题图作为数学知识或内容的呈现方式出现在教材中,等待着教师去理解、去研究、去挖掘。案例“两位数乘整十数”的主题图教学 Thematic map is the basic component of the textbook, is a bridge of cognitive students, but also a teaching resource. How to make full use of thematic map to maximize its important role? Now talk about teaching practice. First, make good use of the theme map, tap the effective content Ye Shengtao once said: “textbook can only serve as the basis for teaching, to teach well, to benefit students, but also good at using the teacher.” Thematic map as mathematical knowledge or The presentation of the content appears in the textbook, waiting for the teacher to understand, to study, to dig. Case “double digit multiplied by ten ” theme map teaching