概念是数学学习的起源,也决定着学生的认知高度。只有当学生明确了概念的内涵和外延,并能抓住数学概念的本质来学习的时候,他们的学习才有一个健康的起点,有一个发散的中心,因此在实际教学中我们要注重概念教学,以此推升学生的数学学习。 The concept is the origin of mathematical learning, but also determines the student’s cognitive height. Only when the students clear the connotation and denotation of the concept and can grasp the essence of the mathematical concept to learn, their study has a healthy starting point, there is a divergent center, so in the actual teaching we should pay attention to the concept of teaching , In order to promote students’ math learning.