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《数学课程标准》在总体目标中提出要使学生“经历运用数学符号和图形描述现实世界的过程,建立数感和符号感,发展抽象思维”。数感的形成必须以学生的自我体验作为中介和桥梁,从而建立现实与“数”之间的联系,形成数感。培养学生数感是一个循序渐进的过程,我认为要密切联系学生生活经验和已有的知识基础,让学生在体验中逐步建立数感。教师在教学中要创设各种生活情境,引导学生参与实践活动,让学生多动手、动脑、动口,引导学生主动参与教学教程,引导学生主动解决实际问题。让学生在体验生活、体验做数学、体验“玩”数学、体验用数学的过程中逐步培养他们的数感。
The standard of mathematics curriculum puts forward in the overall goal that students should “experience the process of using the mathematical symbols and figures to describe the real world, establish the sense of number sense and symbol, and develop the abstract thinking.” The formation of number sense must take students’ self-experience as an intermediary and bridge, so as to establish the connection between reality and “number ”, form a sense of number. It is a step-by-step process to cultivate students ’sense of number. I think it is necessary to closely relate the students’ life experience and the existing knowledge base so that students can gradually build a sense of number in the experience. Teachers in teaching to create a variety of life situations, and guide students to participate in practical activities, so that students more hands, brain, mouth, guide students to take the initiative to participate in teaching tutorials, and guide students to take the initiative to solve practical problems. Let students experience life, experience doing math, experience “play ” math, experience the process of using mathematics to gradually develop their sense of number.