《义务教育数学课程标准(2011版)》在“双基”(基本知识、基本技能)的基础上提出了“四基”(在“双基”基础上增加基本思想、基本活动经验),引起了数学教育界的广泛关注。其中把“获得数学基本活动经验”作为教育目标提出,是将获取数学知识的过程看作是一种动态的、充满思考的体验与探究的过程。如何在课堂教学中让学生积累数学的基本活动经验,获取解决问题的基本技能是教师必须要思考的问题。教师在教学中应以自身 On the basis of “double base ” (basic knowledge, basic skills) “compulsory education mathematics curriculum standard (2011 edition) ” put forward “four base ” Basic activities experience), has aroused widespread concern of mathematics education community. Among them, putting “getting experience of basic activities of mathematics” as an educational objective refers to the process of acquiring mathematical knowledge as a dynamic and full of thinking experience and inquiry. How to let students accumulate experience of basic activities of mathematics in classroom teaching and acquire the basic skills of solving problems are the problems teachers must think. Teachers should be their own in teaching