《全日制义教育数学课程标准(实验稿)》中指出:“数学教学是数学活动的教学。教师要紧密联系学生的生活环境,从学生的经验和已有的知识出发,创设生动的数学情境……”同时还指出:“要重视从学生的生活实践经验和已有的知识中学习数学和理解数学。”学习数学的兴趣和学习数学的信心对学 “Full-time justice education mathematics curriculum standard (experimental draft)” pointed out: “Mathematics teaching is the teaching of mathematics activities. Teachers should closely contact students living environment, starting from the student’s experience and existing knowledge, create a vivid mathematical Situation ...... ”also pointed out: “ Emphasis should be placed on learning math and understanding of mathematics from the students’ practical experience in life and existing knowledge. ”The interest of learning mathematics and learning math confidence