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《数学新课程标准》指出:“数学教学活动必须建立在学生的认知发展水平和已有知识经验基础之上,教师向学生提供充分从事学习活动的机会,帮助他们在自主探索和合作交流的过程中真正理解和掌握基本的数学知识和技能、数学思想和方法,获得广泛的数学活动经验。”因此,教学时我们必须创设宽松的学习环境,结合学生的实际经验和已有知识设计富有情趣和意义的活动,留有充分的探索空间和时间,让学生经历探索的过程,使他们在“做”中构建数学知
The New Curriculum Standard for Mathematics states that: “Mathematics teaching activities must be based on the students’ level of cognitive development and existing knowledge and experience. Teachers should provide students with opportunities to fully engage in learning activities and help them explore and collaborate independently , We should really understand and master basic mathematics knowledge and skills, mathematical ideas and methods, and acquire a wide range of experience in mathematical activities. ”Therefore, we must create a relaxed learning environment in teaching, combining the practical experience of students and the existing knowledge design Full of fun and meaningful activities, with plenty of space and time to explore, to allow students to go through the process of exploration so that they build mathematical knowledge in “do ”