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数感是一种主动地、自觉地理解数和运用数的意识。新课标明确提出:课程内容的学习,强调学生的数学活动,发展学生的数感、符号感、空间观念、统计观念以及应用意识和推理能力。其中,将数感的发展放在首要位置,可见新课改对培养学生数感的重视程度。因此教师在教学中应该不断联系生活,想方设法引导学生用数来表达和交流信息,让学生在估测、操作与应用中逐步形成和发展数感。那么培养小学生数感的有效途径有哪些呢?笔者就结合近年来的教学实践谈一下看法。
Sense of number is a sense of initiative and conscious understanding of the number and the use of the number of consciousness. The new curriculum clearly put forward: the content of the course of study, emphasizing students’ mathematical activities, the development of students sense of the number of symbols, spatial concepts, statistical concepts and the application of awareness and reasoning ability. Among them, the number of flu on the development of the first position, we can see the new curriculum reform to cultivate the number of students the degree of attention. Therefore, teachers should keep in touch with life in teaching, find ways to guide students to use the number to express and exchange information, so that students in the estimation, operation and application of the gradual formation and development of a sense of number. So what are the effective ways to cultivate the sense of number of primary school students? I will talk about the teaching practice in recent years.