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【教学内容】苏教版二年级下册第七单元。【教学实践】一、在情境中初步感知呈现“奥运会颁奖升国旗”情境,并突显国旗上的五角星。师:你知道它为什么叫做五角星吗?师:角是什么样的图形呢?今天,我们就一起来认识这位“新朋友”。板书课题:认识角二、在实践中揭示概念1.摸角,直观感知角的特征。师:同学们,在你们的桌子上也有一颗五角星,我们一起
Teaching content】 【second edition of the Soviet version of the second volume of the seventh unit. 【Teaching Practice】 First, the initial perception in the situation presents “Olympic Games Awards rose flag ” situation, and highlight the national flag on the five-pointed star. Teacher: Do you know why it is called a five-pointed star? Teacher: What kind of graphic is a corner? Today, we come together to know this “new friend.” Board book topics: understanding angle two, revealing the concept in practice 1 touch angle, intuitive perception of the characteristics of the corner. Teacher: Classmates, there is also a five-pointed star on your table, with us