数学概念是数学基础知识的核心,它明确揭示了事物的本质属性和相互间的内在联系。清楚、正确地理解数学概念,是掌握好数学基础知识的前提,也是培养学生进行正确抽象概括、形成方法和理论、发展智力、培养能力的先决条件。可以说,一个人数学能力的高低,是与他对数学概念的掌握程度分不开的,这就要求教师必须十分重视小学数 The concept of mathematics is at the heart of the basics of mathematics, which explicitly reveals the essential attributes of things and their interrelationships. A clear and correct understanding of mathematical concepts is a prerequisite for grasping the basic knowledge of mathematics and a prerequisite for training students to correctly abstraction, form methods and theories, develop their intelligence and develop their abilities. It can be said that the level of a person’s mathematical ability, and his grasp of mathematical concepts are inseparable, which requires teachers must attach great importance to primary school