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柏拉图说:“天下本无新事。”如果从数学的角度揭示这句话给我们的启示,那就是数学教学不能无视学生已有的知识经验,应当把学生原有的知识经验作为新知识的生长点,引导学生从原有的知识经验中,生长新的知识经验。这正如《义务教育数学课程标准》(2011年版)(以下简称《课标》(2011年版))所述:“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。”在前不久举行的张家港市骨干教师
Plato said: “There is nothing new in the world.” If we reveal the revelation to us from the perspective of mathematics, that is, mathematics teaching can not ignore the existing knowledge and experience of students and should regard the original knowledge and experience of students as new The point of growth of knowledge, to guide students from the original knowledge and experience, the growth of new knowledge and experience. This is just as the Standard of Compulsory Education Curriculum Standard (2011 Edition) (hereinafter referred to as “Curriculum Standard” (2011 Edition)) states: “Mathematics teaching activities must be based on the students’ level of cognitive development and existing knowledge and experience . ”Zhangjiagang City backbone teachers held not long ago