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创设问题情境作为一种能有效促进教学活动和培养学生各方面能力的教学方式,受到教育理论者和一线教师的普遍关注和广泛认同。《义务教育数学课程标准(2011年版)》提出:“教学活动是师生积极参与、交往互动、共同发展的过程。数学教学应根据具体的教学内容,注意使学生在获得间接经验的同时也能够有机会获得直接经验,即从学生实际出发,创设有助于学生自主学习的问题情境,引导学生通过实践、思考、探索、交流等,获得数学的基础知识、基本
As a kind of teaching method that can effectively promote teaching activities and cultivate students’ abilities in all aspects, the establishment of problem situations has been widely concerned and widely accepted by educational theorists and front-line teachers. ”Compulsory Education Mathematics Curriculum Standard (2011 Edition)“ put forward: ”teaching activities are active participation of teachers and students, interactive interaction and common development process .Mathematics teaching should be based on specific teaching content, pay attention to enable students to gain indirect experience Have the opportunity to gain direct experience, that is, starting from the students’ actual situation, creating problem situations that help students to learn independently, and guiding students to acquire the basic knowledge of mathematics through practice, thinking, exploring and communicating, etc.