一、编写意图和特色(一)提供密切联系学生现实生活的学习素材。《全日制义务教育数学课程标准(实验稿)》(以下简称《标准》)在第二学段教材的编写建议中指出:“相对第一学段而言,本学段学生的生活经验和知识背景更为丰富,他们更多地关注周围的人和事,有进一步了解现实世界、解 First, the preparation of the intention and characteristics (A) to provide close contact with the student's real life learning materials. The Full-time Compulsory Education Mathematics Curriculum Standard (Trial Version) (hereinafter referred to as the “Standard”) states in the preparation of the textbooks for the second semester that: "Compared with the first semester, the students' life experience and knowledge background Richer, they are more concerned about the people and things around, have a better understanding of the real world, the solution