新课导入是课堂教学过程中不可或缺的一个重要环节,是引导学生进入学习状态的重要阶段。适切有效的课堂导入能迅速触发学生的好奇心,充分调动学生的探究心理,唤起学生的求知欲望,从而激发学生主动关注学习内容;也能启迪学生的数学思维,唤起学生的已有学习经验,为学习新知做铺垫;更能引起学生的数学思考,给新课的顺利推进带来 The introduction of new curriculum is an indispensable part of classroom teaching process, an important stage to guide students to enter the learning state. Appropriate and effective introduction of the classroom can quickly trigger the curiosity of students, and fully mobilize the students ’inquiry psychology, arouse the students’ curiosity desire, so as to inspire students to take the initiative to follow the learning content. It also can inspire the students ’mathematical thinking and arouse students’ existing learning experience , To pave the way for learning new knowledge; better able to arouse students’ mathematical thinking, bring new class smoothly