《圆的认识》是人教版教材小学数学六年级的内容,是学习《圆》这一章节的起始课。在学校的一次教学竞赛活动中,一位青年教师执教了这一课时,既科学严谨又不乏生动活泼,上得很是精彩。充分诠释了《数学新课程标准》的理念,体现了教师对教材,对学生,对课堂,对学科本质的准确把握。精彩片段一:创设情境生活化,激发兴趣师:山里的小动物们要举行赛车比赛,我们一起去看看吧。(多媒体显示:四辆赛车的轮子分别是圆形、椭圆形、三角形 The understanding of the circle is the content of the sixth grade of primary school mathematics textbooks of people’s education, and is the initial lesson of learning the chapter of “circle”. In a school teaching competition, a young teacher coached the class, both scientific and no lack of lively, very wonderful. It fully expounds the concept of “New Curriculum Standard of Mathematics”, embodies the teachers’ accurate grasp of teaching materials, students, classrooms and the nature of the subject. Wonderful Fragment 1: Create situational life, to stimulate interest Teacher: the mountains of small animals to be held race car, let’s go and see it. (Multimedia display: The wheels of the four cars are round, oval, triangular