新课标提出,要培养学生的数感,让学生在数学学习中建立数感。那么,什么是数感呢?数感是学生对数学概念理解的进一步发展。数感代表个人对数、数字系统和运算具有意义的观念。数感是人对数与运算的一般理解,是一种主动地、自觉地理解数和运用数的态度与意识。数感包括将数与实际背景联系起来,用数学的方式思考问题;数感使人眼中看到 The new curriculum proposed to cultivate a sense of the number of students, so that students in mathematics to establish a sense of number. So, what is the sense of number? Sense of number is the students further understanding of the concept of mathematics. Sense of number represents the concept of personal logarithms, numerical systems and computing meaningful. Sense of the number of human logarithm and operation of the general understanding is a kind of initiative and consciously understand the number and the use of the number of attitudes and awareness. Sense of numbers includes linking the numbers to the actual context, thinking mathematically, and feeling in the eyes