一、课题的关键词界定“数学”这里特指小学阶段现行使用的一至六年级数学课程(学科)。也就是专指“经全国中小学教材审定及审查委员会数次审查通过”的,符合国家基础教育《义务教育数学课程标准》的小学数学教科书。“生活”在这里特指小学生在日常生活中与数学密切联系的生活要素。这些要素是学生在家庭、学校、社会的日常生活、学习、实践活动中所经历的、获 First, the topic of key words “math ” here specifically refers to the current primary school grade six math courses (subjects). That is to say, it refers to the primary school mathematics textbook that complies with the Compulsory Education Mathematics Curriculum Standard of the National Basic Education. “Life ” here specifically refers to primary school life in daily life and mathematics are closely linked elements. These elements are students in the family, school, social daily life, learning, practice experience, by