什么是数感?《数学课程标准》对此作了说明,说得概括一点,数感是人的一种基本的数学素养,是人主动地、自觉地理解和运用数的态度和意识。因此,要发展学生的数感也就成为数学课程的一个重要目标。新课程教材十分重视帮助学生建立初步的数感。那么,如何把培养学生数感落到实处呢? What is the sense of number? “Mathematical Curriculum Standards” made it clear that, to put it in a nutshell, sense of the number of people is a basic mathematical literacy, is a person’s initiative and consciously understand and use the number of attitude and awareness. Therefore, to develop the sense of number of students has become an important goal of mathematics courses. The new curriculum materials attach great importance to helping students to establish a preliminary sense of the number. So, how to nurture the number of students come true?