培养学生正确理解数学概念,形成概念思维,对学生掌握数学基础知识有重要的作用。而概念的引入是概念教学的开端,尤为重要。下面谈谈在教学中一般采用的两种引入概念的方式。一是通过实例、实物、模型进行介绍,使学生对研究的对象由感性到理性逐步认识 Training students to correctly understand the concept of mathematics, the formation of conceptual thinking, the students master the basic knowledge of mathematics has an important role. The introduction of concept is the beginning of concept teaching, especially important. Now let's talk about two ways to introduce concepts commonly used in teaching. First, through examples, in-kind, model introduction, so that students on the object of study by the emotional to rational understanding