数学是建立在数学概念和符号的基础上的。数学教学离不开数学概念,概念教学的效果关乎着学生对数学的理解,是整个数学教学的核心。而建构主义认为:概念教学的重点并不在于概念的本身,而在于建构概念的过程,在于学生的思维构造。从学生获得概念的方法而言,一般有概念同化和概念生成两种方 Mathematics is based on mathematical concepts and symbols. Mathematical teaching is inseparable from the concept of mathematics, the concept of the effect of teaching about the students understanding of mathematics, mathematics teaching is the core. Constructivism holds that concept teaching focuses not on the concept itself, but on the process of constructing the concept based on the student’s thinking structure. From the students to obtain the concept of the method, the general concept of assimilation and concept of two kinds of parties