“把课堂还给学生,让学生成为课堂的主人”是新课程数学教学的趋势。课堂教学是传授知识,培养能力,全面提高学生文化素质的主要途径。课堂教学效果很大程度上也取决于学生的参与情况,这就要求提高学生在课堂教学中的参与意识,使学生真正成为 “Returning the class to the students and making the students the masters of the class ” is the trend of new curriculum mathematics teaching. Classroom teaching is the main way to impart knowledge, cultivate abilities and improve student’s cultural quality. To a large extent, the effect of classroom teaching also depends on the participation of students, which requires improving the students’ awareness of participation in class teaching and making students truly become