俗话说:良好的开端是成功的一半.一个好的情境导入可以创设良好的课堂开端,拉近了教师和学生、学生与学习内容以及数学与生活之间的距离,可以有效地凝聚学生的注意力,使学生快速进入积极思考、学习的状态.可以激发学生的学习兴趣和主动参与课堂学习的热情,可以有效地明确学生的学习思维和学习目标,从而真正实现知识上的理解和能力上的提升以及情感态度价值观方面的发展.于是为了激发学生的兴趣,活跃课堂教学氛围,力求体现情境导入的新颖性,我在备课时 As the saying goes: a good start is half done, a good situation can be introduced to create a good start in the classroom, closer to teachers and students, students and learning content and the distance between mathematics and life, can effectively condense the students’ attention So that students can quickly enter the state of positive thinking and learning.It can arouse students ’interest in learning and the enthusiasm of taking the initiative to participate in class learning, which can effectively clarify students’ learning thinking and learning goals so as to realize knowledge understanding and ability Promotion and development of emotional attitudes and values ​​so as to stimulate student interest, active classroom teaching atmosphere, trying to reflect the novelty of contextual import, I prepare lessons