《全日制义务教育数学新课程标准》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。”“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。”伟大的人民教育家陶行知先生曾就教育与生活的关系指出:“行是知之始,知是行之成。”数学教学只有从学 The New Curriculum Standard for Full-time Compulsory Education states: “Mathematics teaching is the teaching of mathematics activities, and teachers must closely contact students ’living environment and create vivid mathematical situations based on the students’ experience and existing knowledge.” “ ”Emphasis should be placed on learning mathematics and comprehension of mathematics from students’ practical experiences and existing knowledge.“ ”The great people educator Tao Xingzhi once pointed out that the relationship between education and life states: It is done. "Mathematics teaching is only from learning