概念是思维的基本单位。由于概念的存在和应用,人们可以对复杂实物做出简化、概括或分类的反应;由于概念是在揭示了经验的内在联系,获得了实物的本质特征以后形成的,所以,概念增加了经验的意义。概念将事物依其共同属性而分类,依其属性的差异而区别,因此,概念的形成可以帮助学生了解事物之间的从属或相对关系。数学概念是人类对现实世界的空间形式和数量关系的简明、概括的反映,并且都由反映概念本质特征的符号来表示,这些符 Concept is the basic unit of thinking. Because of the existence and application of concepts, people can make simplistic, generalized or categorized responses to complex objects. Since concepts are formed after revealing the intrinsic connection of experience and acquiring the essential features of objects, the concept adds experience significance. The concept of things according to their common attributes of the classification, according to their differences in properties and different, therefore, the formation of concepts can help students understand the subordination or relative relationship between things. The concept of mathematics is a concise, general reflection of mankind’s relation to the spatial form and quantity of the real world and is represented by symbols that reflect the essential characteristics of the concept. These symbols