基于知识构成的结构化教学主张--以“合并同类项”为例

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《义务教育数学课程标准(2011年版)》(下称《课标》)强调,数学知识的教学要注重知识的生长点与延伸点,把每堂课教学的知识置于整体知识的体系中,注重知识的结构和体系,处理好局部知识与整体知识的关系,引导学生感受数学的整体性.
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