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数感是人对于数及其运算的一般理解和感受,这种理解和感受可以帮助人们用灵活的方法为解决复杂的问题,提出有效的策略。或者说能够把实际问题与数联系起来,就是一种数感。数感是一种主动地、自觉地理解数,运用数的态度和意识。学生在学习过程中,特别是在计算与解决问题的过程中,因为数感不强,不能很好理解题意,不能正确地分析题目里的数量关系,出现一些意想不到的错误。其实,在学生当中,有相当一部分学生数感发展缓慢,他们只能凭教师讲的例题,依葫芦画瓢,自己不能灵活地、
Sense of the number of people is the number and its general understanding of computing and feelings, this understanding and feelings can help people with flexible methods to solve complex problems, put forward effective strategies. Or to be able to relate actual problems with numbers is a sense of number. Sense of number is a kind of initiative, consciously understand the number, the use of the number of attitudes and awareness. Students in the learning process, especially in the process of calculating and solving problems, because the number is not strong, can not understand the problem well, can not correctly analyze the relationship between the number of questions, there are some unexpected mistakes. In fact, among students, a considerable part of the number of students feel slow development, they can only rely on the teacher to talk about examples, according to gourd painting scoops, they can not be flexible,