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《数学课程标准》实施建议中指出:“要根据学生的具体情况,对教材进行再加工,有创造地设计教学过程,对教材进行合理的处理。”每个小学数学教师在教学前必须先“接纳”教材——理清教材的纵横联系,理清教材的重、难点,弄清例题与习题的关系,在此研读的基础上,再对素材进行大胆的加工——“创新”。笔者曾有幸参与现场数学教学设计比赛的评选,比赛的题目是——北师版四年级下册“数据的表示和分析”中的《平均
According to the implementation of the “Mathematics Curriculum Standard”: “According to the specific circumstances of students, the teaching materials are reprocessed, the teaching process is creatively designed and the teaching materials are properly handled.” Every primary school mathematics teacher must First “Acceptance” textbook - to clarify the vertical and horizontal links of textbooks, textbooks to clarify the weight and difficulty, to clarify the relationship between examples and exercises on the basis of this study, then the material for bold processing - “ Innovation ”. I had the honor to participate in the selection of field mathematics teaching design competition, the title of the competition is - the fourth grade under the Beijing Normal University version of the “data representation and analysis,” the "average