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《数学课程标准》(实验稿)中强调:数学教学活动必须建立在学生的认知发展水平和已有的知识经验基础之上。这就表明数学课堂教学在制定教学目标之前,
In “Mathematical Course Standard” (experimental draft), it is emphasized that the mathematics teaching activities must be based on the students’ level of cognitive development and the existing knowledge and experience. This shows that mathematics classroom teaching in the development of teaching objectives before,