《数学课程标准》明确指出,数学教学要紧密联系学生的生活实际,从学生的经验和已有知识出发,创设有助于学生自主学习,合作交流的情境,从而激发他们学习数学的兴趣,以及学好数学的强烈愿望。当然,教师创设的情境应该贴近学生的生活,符合学生的年龄特征,让它成为一种积极的情感体 The Mathematics Curriculum Standard clearly states that mathematics teaching should be closely linked to the students’ actual life. Based on the students’ experiences and existing knowledge, mathematics teaching should create situations conducive to students’ autonomous learning and cooperation so as to stimulate their interest in learning math. Learn the strong desire of mathematics. Of course, the situation created by the teacher should be close to the student’s life, in line with the age characteristics of students, making it a positive emotional body