Research On Teaching Strategies Of High School Function Subject Under The New Curriculum Standard

As mentioned in the general high school mathematics curriculum standard(2017edition,2020 Revision),function is the main line running through the high school mathematics curriculum,which is not only the focus of students' learning but also the difficulty of teachers' teaching.It has been 12 years since the theme of function was arranged in the compulsory one of senior high school mathematics textbook a of pep.With the launch of the new textbook in 2019,the theme of function has been arranged in the first compulsory book again,and the content has increased.Senior one function is not only the deepening and improvement of junior high school function learning,but also throughout senior high school mathematics learning,which plays an important role in connecting the past and the future.On the one hand,due to the limited level of thinking development of senior one students,coupled with the abstraction,complexity and theoretical nature of functions,it is easy for students to have fear of difficulties and learning confusion in the process of learning;On the other hand,facing the difficulties of students,it is difficult for teachers to think about how to preach and solve puzzles better.Therefore,based on the background of the new curriculum standard,through the investigation of teachers and teaching materials,students and teaching materials and related educational technology,aiming at the teaching and learning of function,this paper explores the problems and causes of the current senior one students' learning and teachers' teaching,and puts forward corresponding strategies to improve the quality of function teaching,so as to better help students learn the theme of function,It provides a useful reference for the teaching of function in senior one.This paper adopts the methods of literature,questionnaire,interview and education statistics.Starting from the current research status of function at home and abroad,the interview outline is designed and field visit is carried out.The author selected four parallel classes and four teachers from a senior high school in Yanbian,Jilin Province,to investigate the current situation of teaching and learning the first volume of compulsory function.According to the daily observation of teaching work during the internship,based on the first three levels of Bloom's cognitive level "knowledge,understanding and application",the author designs questionnaires and test papers.Combined with the suggestions put forward in the interview with teachers,the author finds that many students have not deep understanding of the practical problems described by function in the application of function theme,The ability of using function to solve practical problems needs to be improved.The main problems in the process of function learning are:(1)students' interest in learning function is not high,and they are prone to fear difficulties;(2)The students are lack of initiative in learning function and their motivation is not clear;(3)There are many problems in students' problem-solving process,and the knowledge internalization is not enough;(4)There are some problems in the connection between the content and teaching methods of function courses in junior and senior high schools;(5)The infiltration of function thought is superficial,and students are lack of thinking methods;(6)The application of function is weak,and it lacks the connection with life.Based on the above problems,according to the "learning theory",combined with the teaching suggestions of the new curriculum standard and the cognitive development law of students,the paper puts forward the specific function teaching strategies:(1)creating functional situation and stimulating students' interest in learning;(2)The pre class preview with function theme should be emphasized to cultivate students' ability of active inquiry;(3)In the training of typical examples,the "scaffolding" is used to cultivate students' comprehensive problem solving ability;(4)We should pay attention to the construction of function knowledge network and thinking map to achieve the continuous differentiation and comprehensive connection of knowledge;(5)In teaching,we should pay attention to the infiltration of function thinking method;(6)Build function model,pay attention to the relationship with life.From the teaching strategy,I hope to provide reference for the function teaching of the first-line teachers.