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一、教学背景新课标指出: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,创设有利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、基本技能、基本思想、基本活动经验,促使学生主动地、富有个性地学习,不断提高发现问题和提出问题的能力、分析问题和解决问题的能力。
First, the teaching background New Curriculum standards pointed out: Mathematics teaching should be based on specific teaching content, pay attention to enable students to gain indirect experience but also have the opportunity to have direct experience, that is, starting from the students, the creation of a conducive situation of student learning problems , Guide students through practice, thinking, exploration, exchange, access to basic knowledge of mathematics, basic skills, basic ideas, basic activities of experience, to promote students to learn with personality, and constantly improve the ability to find and ask questions, analyze Problem and problem solving skills.