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新课程提倡数学教学要充分利用学生已有的生活经验导入新课。听年轻教师的数学课发现,有的情景导课浪费了宝贵的课堂四十分钟,有的牵强附会不得要领。一、禁忌在非数学信息上过多地纠缠数学教师要分析数学教材提供的情景中的非数学内容和数学内容,要恰当地发挥非数学内容的作用,突出数学内容。情景中都有数学内容和非数学内容。情景中的非数学内容有:
The new curriculum to promote mathematics teaching should make full use of students’ existing life experience into the new lesson. Listening to the young teacher’s math class found that some scenarios lead class wasted valuable classroom forty minutes, and some forced attachment can not get essentials. First, the taboo in the non-mathematical information too much entangled in mathematics Teachers want to analyze the mathematical materials provided by the scene of non-mathematical content and mathematical content, we should properly play a non-mathematical content, highlighting the mathematical content. The scene has both math and non-math content. The non-mathematical content of the scenario is: