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数学概念是数学教材结构中最基本的要素之一。学生是否能够正确理解数学概念,是学好数学的前提。笔者在西藏自治区林芝地区从事数学教学工作近十年,发现学生数学成绩不理想,其主要原因在于:1.学生汉语水平较低。2.课堂教学中,教师没有能带领学生深刻理解数学定义、概念。3.学生对初中、小学的数学概念还没有理解掌握。学生不能正确地理解数学中的各种概念,就不能很好地掌握各种法则、公式、定理,也就不能应用所学知识去
The mathematical concept is one of the most basic elements in the structure of mathematics textbooks. Whether students can understand mathematical concepts correctly is a prerequisite for learning mathematics. The author has been engaged in mathematics teaching in the Nyingchi region of the Tibet Autonomous Region for the past ten years and found that students’ mathematics achievement is not ideal. The main reasons are: 1. The students’ Chinese proficiency is low. 2. In classroom teaching, teachers did not lead students to profoundly understand mathematical definitions and concepts. 3. Students have not yet understood and mastered the mathematical concepts of junior high school and elementary school. Students cannot correctly understand various concepts in mathematics and cannot master various rules, formulae, and theorems, and cannot apply what they have learned.