数感是一种主动、自觉地理解数和运用数的意识。这种意识可以帮助人们用灵活的方法做出数学判断,并为解决复杂问题提出有用的策略。那么如何理解数感,如何在教学过程中帮助学生建立数感,下面就结合几节课例谈一谈。一、活动情境创设,感知数为何物充满诱惑的教学活动情境是激发学生学习兴趣,调动学生学习积极性和主动性的原动力。教师在教学 Sense of number is a sense of initiative and conscious understanding of the number and the use of the number of consciousness. This awareness can help people make mathematical judgments in a flexible way and put forward useful strategies for solving complex problems. So how to understand the number of flu, how to help students in the teaching process to establish a sense of number, the following combination of several lesson to talk about. First, the creation of activities, the number of senses is full of temptations of teaching activities is to stimulate students interest in learning, mobilize the motivation and initiative of students motivation. Teachers are teaching