A Comparative Study On Selection Of Variant Materials In High School Mathematics Textbooks Under Variation Theory

The publication of the "2017 edition of the General Senior High School Mathematics Curriculum Standards" means that different versions of senior high school mathematics textbooks will soon be replaced with new textbooks.The study of teaching materials is a matter of great concern to educators and students.With the deepening of curriculum reform,teaching materials,as the materialized form and carrier of the curriculum,have a close relationship with teachers.Teaching materials are still one of the main sources of teaching activities for teachers and students,and teachers are the leading players in teaching activities.At present,when the new and old textbooks are used in different regions across the country,how do users study the textbooks?Especially teachers use new textbooks,because teachers are an important factor affecting the implementation of the curriculum.The use of variant materials in Chinese textbooks is a big traditional advantage.The mutation theory suggests that learning requires mutation,and mutation needs to be examined.The users of textbooks should be clear about the use of orderly variation of learning materials and situations in the textbooks,so that students can grasp the essential characteristics of things.The high school mathematics curriculum is a major difficulty in teaching.This study will focus on the selection of variant materials in high school mathematics textbooks under the guidance of mutation theory,and analyze whether the new version of high school mathematics textbooks in China has continued its advantages.?Based on the research on the above series of questions,this research hopes to provide users of textbooks with a way to analyze variant material analysis in high school mathematics textbooks,find similarities and differences between old and new textbooks,and different versions of textbooks.This research first discusses the development of variation theory and variation theory through literature review and analysis,grasps its basic viewpoints and main research results;then clarifies the study of variations in Chinese mathematics textbooks,based on existing research Construct a text analysis framework for variant materials in high school mathematics textbooks,and a case analysis of each variant material.Secondly,under the framework of analysis,the comparative research of variant materials is carried out on the selected research objects according to the subject knowledge classification.Collect data,statistical data,and analyze the data to obtain statistical results for comparison and fact analysis.Finally,based on the comparison of the research data results,quantitatively combined with qualitative analysis to discuss the characteristics of the new textbooks,the similarities and differences between the new and old textbooks under the samewriting team in China,and the similarities and differences between the textbooks of different writing teams at the same time.Broaden the study of textbooks,and provide suggestions and opinions for textbook users.