Comparative Analysis of the New and Old High School Mathematics Textbooks—Take Version a "Set" as an Example

According to Mathematics Curriculum Standards of Regular High School (2017 edition), People's Education Press published the 2019 Regular High School Mathematics textbook version A (hereinafter referred to as the new textbook). The content of the textbook has been adjusted. The knowledge of set is the foundation of modern mathematics, and also the foundation of high school mathematics. This article will take the set part of People’s Education Edition Version A as an example, using literature method, content analysis method, comparison method from the the aspects of textbook system structure, chapter introduction, text content, the summary of this chapter and so on, to analyze and compare the new textbook and the 2004 edition of ordinary high school curriculum standard experimental textbook mathematics A (hereinafter referred to as the old textbook). Therefore, it helps the textbook users to understand the changes and characteristics of the new textbook, and promote the common development of teaching and learning.