《认识角》是苏教版二年级下册教材,根据内容特点和低年级学生特点,我在设计本课《角的认识》时,安排了多次学生活动,主要分成三大板块。第一板块是创设情境,引入角;第二板块是自主探索,认识角;第三板块是拓展延伸,欣赏角。在几次磨课和老师们观察课堂的基础上,我对每个板块进行了修改与优化,力求通过多次教学对比,让学生在先感知角的基础上,再通过画角、找角、摸角、画角、做角、比角等一系列教 “Recognition Corner” is the second edition of the second edition of the Sujiao Textbook. According to the characteristics of the content and the characteristics of the students in the lower grades, I arranged a number of student activities during the design of the “Understanding of the Corner” in this course. It is divided into three major sections. The first plate is to create situations, the introduction of angle; the second plate is self-exploration, understanding angle; the third plate is to expand the extension, enjoy the corner. On the basis of several abattoirs and teachers observing the classroom, I modified and optimized each of the sections, and tried to make the students perceive the corners first based on the comparison of multiple teaching, Touching angle, painting angle, angle, angle and a series of teaching