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教学内容:四年级上册第70-71页例1、例2教学过程:一、情景导入1.出示主题图:你能在图中找到哪些平面图形?(找到圆形、正方形、长方形、平行四边形、梯形)2.根据学生说的,老师把后四个图形贴在黑板上,并指出这4个图形有一个共同的名字都叫四边形。
Teaching Content: Grade 4, pp. 70-71 Example 1, Example 2 Teaching Process: I. Introduction 1. Presenting thematic map: Which plane graphic can you find in the graph? (Find circles, squares, rectangles, parallelograms , Trapezoid) 2. According to the students, the teacher pasted the last four graphics on the blackboard and pointed out that the four graphics have a common name called quadrilateral.