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《数学课程标准(试验稿)》要求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
The mathematics curriculum standard (test draft) requires 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 The process of truly understand and master the basic mathematical knowledge and skills, mathematical thinking and party