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、交流等方式,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,不断提高学生发现问题和提出问题的能力、分析问题和解决问题的能力。 Teaching activities are the active participation of teachers and students, exchanges and interaction and common development process. Mathematics teaching should be based on the specific teaching content, pay attention to enable students to gain indirect experience but also have the opportunity to gain direct experience, starting from the students ’reality, to create a problem situation conducive to students’ autonomous learning, to guide students through practice, thinking, Exploration, exchange, access to basic knowledge of mathematics, basic skills, basic ideas, basic activities experience, prompting students to take the initiative and personality learning, and constantly improve students’ ability to find and ask questions, analyze and solve problems .