数学概念是数学学习的基础和基本技能教学的核心,是数学思想和方法的载体,一切分析、推理和想象等数学活动都离不开数学概念,所以学生对数学概念的准确把握是数学思维发展的前提.事实上,由于不少数学概念比较抽象,学生不能准确领悟和 The concept of mathematics is the foundation of mathematics learning and the core of basic skills teaching. It is the carrier of mathematics ideas and methods. All mathematics activities such as analysis, reasoning, and imagination are inseparable from the concept of mathematics. Therefore, the accurate grasp of mathematical concepts by students is the development of mathematical thinking. In fact, because many mathematical concepts are relatively abstract, students cannot accurately understand and