Mathematics instruction should be the unification of constructive learning and teaching, from the view of constructivism mathematics knowledge should consist of the knowledge of mathematics experience and the knowledge of constructive strategy, relevantly, mathematics learning and teaching should include two different categories. Besides, the paper gave some points of view about traditional mathematics instruction and constructive mathematics instruction ．%数学教学应是建构地学与教的统一，建构观下的数学知识应包含数学经验知识和建构策略知识，相关地，数学学习和教学应有两种不同的类型．"建构主义"应成为指导数学教学的行动纲领，建构主义不排斥其它学习理论，建构性教学并非数学建模教学．
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