The Study On The Teaching Design Of The Chapter's Introductory Lesson In Middle School

The introduction of this chapter is the key point of each chapter,which should arouse enough attention from teachers and students.However,in the actual teaching,the beginning of the middle school math chapter did not arouse the attention of the teachers,and the relevant teaching links were not effectively implemented.Therefore,it is necessary to study the teaching design of junior middle school mathematics basic course.Based on the junior middle school mathematics textbooks published by zhejiang education press,this paper studies the beginning of junior middle school mathematics chapter.Through literature research,further clarify the connotation of the chapter beginning class,was the beginning of each chapter chapter starting class the first lesson,its teaching content usually includes the introduction and the first section of this Zhang Zheng Wen chapter content,its main task is to guide students to build knowledge framework,in this chapter to help students establish a good cognitive structure,for the follow-up study to lay a solid foundation.Based on the analysis of the text of the textbook,it is found that the beginning of the chapter in the middle school mathematics textbook of zhejiang teaching edition has three characteristics: simple teaching content,profound ideological connotation and great potential value.Through the questionnaire survey to understand the current situation of junior middle school math chapter initiation class,it is found that in the actual teaching,teachers do not pay attention to the junior middle school math chapter initiation class,and the relevant teaching links have not been effectively implemented.Based on the above understanding and combined with the author's teaching experience of more than ten years,this paper puts forward four basic principles for the teaching design of the beginning lesson of junior middle school mathematics chapter: the principle of applied background design;Chapter structure system design principle;Knowledge series design principle and interdisciplinary design principle.Taking the beginning lesson of the three chapters of "binary system of equations","parallel lines" and "similar triangle" in zhejiang teaching edition as an example,the teaching design examples are carried out according to four design principles.Finally,through the teaching practice,the good teaching effect of the designed chapter beginning class is tested.