数学新课程标准指出:“数学教学要密切联系学生的生活实际,从学生的生活经验和已有的知识出发,创设各种情境,为学生提供从事数学活动的机会,激发学生对数学的兴趣,以及学好数学的愿望。”一个有效的学习情境不仅可以使学生更容易掌握数学知识和技能,而且可以使学生更好地体验教学内容中的情感,激发学生的学习热情和兴趣,使之在兴趣的驱动下,主动参与到数学学习活动中去。因此,创设生动有趣的数学情境 The new mathematics curriculum standard states: “Mathematics teaching should be closely linked with the students’ actual life, starting from the students’ life experience and existing knowledge, creating various situations, providing students with the opportunity to engage in mathematical activities and arousing students’ interest in mathematics As well as the desire to learn mathematics. ”An effective learning situation not only makes it easier for students to master math knowledge and skills, but also enables students to better experience the emotion in teaching contents and arouse students’ enthusiasm and interest in learning, Driven by interest, take the initiative to participate in mathematics learning activities. Therefore, to create a vivid and interesting mathematical situation