凸显概念本质发展空间观念

Highlight the Essence of the Concept,Develop the Concept of Space

圆是人教版六年级教学内容,新概念出现之多,计算公式的变形之多,周长与面积的辨析之难,使圆单元成为教师公认的教学难点,学生掌握的难点。笔者对该单元教学策略进行探索,在活动中凸显概念的本质,引导学生经历学习的过程,从而发展学生的空间观念。

The circle is the sixth grade teaching content of the People's Education Edition.The emergence of many new concepts,the many deformations of calculation formulas,and the difficulty in distinguishing between perimeter and area make the circle unit a recognized teaching difficulty for teachers and difficult points for students to master.The author explores the teaching strategy of this unit,highlights the essence of the concept in the activities,guides students through the learning process,and develops students'concept of space.