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新课程理念认为:学生的知识不是单纯通过教师的传授得到的,而是学生在一定的情境中,在教师的引导下自主构建的.整个课堂教学过程是在教师的组织和引导下,学生主动参与,积极探索,意义构建的过程.1情境分为生活情境与学科情境两类生活情境是日常生活中蕴含数学知识的事件,通过生活情境呈现问题,让学生置身于生活情境之中,通过探究完成对新知识的意义构建.
The idea of the new curriculum that: the student’s knowledge is not simply obtained through the teacher’s teachings, but students in a certain context, under the guidance of the teachers autonomously built the entire classroom teaching process is the teacher’s organization and guidance, the students take the initiative Participation, active exploration, meaning construction process.1 The situation is divided into the life situation and the disciplinary situation Two kinds of life situations are the events that contain the mathematics knowledge in the daily life, present the problems through the life situation, let the students live in the life situation, Complete the construction of the meaning of new knowledge.