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《数学课程标准》指出:“数学教学要紧密联系学生的生活环境,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。”一个好的问题情境,能吸引学生的身心,让学生主动关注学习的内容;能唤起学生的学习经验,为学习新知抛砖引玉;能激发学生的学习兴趣,引起学生的数学思考。然而,新课改下的一些数学课堂,情境只是为创设而创设,只图表面热闹,夹杂了太多的非数学信息,干扰和弱化了数学知识和技能的学
The standard of mathematics curriculum states: “Mathematics teaching should be closely linked with the students’ living environment, starting from the students’ experiences and existing knowledge, and creating a situation conducive to students’ independent study and cooperation and exchange.” "A good problem situation, Can attract students’ mind and body, let students take the initiative to focus on the content of learning; can arouse the learning experience of students, to learn new knowledge; inspire students’ interest in learning, arouse students’ mathematical thinking. However, in some math classrooms under the New Curriculum, the situation is created only for the sake of creation. There are only lively graphic faces, too many non-mathematical information, interference with and weakening of mathematics knowledge and skills