Mathematics in Life is compiled according to the Mathematics Curriculum Standard for Full-time Compulsory Education formulated by the Ministry of Education, and Zhu Leping and others are the authors. This book is rich in content. It is divided into eight units: mathematics and life, mathematics and physical education, mathematics and transportation, mathematics and environment, mathematics and leisure, mathematics and society, mathematics and economy, mathematics and practice, which involve all aspects of things around students. Let readers fully feel that mathematics is so close to reality. Each unit consists of several parts, and each part is divided into three parts. The first part first describes a specific situation, and then puts forward a mathematical problem in this situation and solves it. After reading this part, you will learn how to put forward a mathematical problem and learn the ideas and methods to solve this mathematical problem from specific life practice.