《数学课程标准》指出:“数学教学要紧密联系学生的生活实际,从学生的生活经验和已有知识出发,创设生动有趣的情境。”数学教学情境是联系数学与现实世界的纽带,是沟通数学与现实生活的桥梁。一个好的数学教学情境,不但要能够很好地激发起学生的探究欲望,还要激发学生的问 The standard of mathematics curriculum states: “Mathematics teaching should be closely linked with the students ’actual life and create vivid and interesting situations based on the students’ life experiences and existing knowledge.” "Mathematics teaching situations are the connection between mathematics and the real world, It is a bridge between mathematics and real life. A good teaching situation in mathematics, not only to be able to well stimulate the students desire to explore, but also stimulate students’ questions