The Teaching Research Of The Trigonometric Function About High School Math Based On Mathematical Core Literacy

The trigonometric function is an important part of high school mathematics.It is the focus and difficulty of the college entrance examination.It has always been valued in the teaching process.However,according to the teaching effect feedback from inside and outside the classroom,students' knowledge of trigonometric functions is lacking.Which is closely related to the teaching methods of teachers.Under the current educational background,we should take the cultivation of students' core literacy as an important teaching goal.Therefore,how to improve students' mathematical core literacy in the teaching process has become an important challenge for teachers.At the same time,it also brings a new ideas for improving the students' mathematical learning.Therefore,this thesis is of great significance for implementing the mathematical core literacy in the teaching of trigonometric functions.The combination of the trigonometric function and the core literacy in mathematics is a perspective worth studying.The previous trigonometric function teaching research emphasized the exploration of routine teaching steps,while the teaching research of high school trigonometric function based on mathematical core literacy is knowledge-based divergent thinking teaching,which focus on the development of students' mathematical core literacy.It can also improve the teaching quality of teachers and the learning effect of students.This article mainly adopts research methods such as literature method,survey method and statistical method.First of all,analyze the content of textbooks based on mathematical core literacy.This paper studies the mathematical core literacy embodied by the knowledge points contained in the trigonometric function part of the high school textbook.Secondly,this paper makes a survey on the current situation of high school mathematics trigonometric function learning,analyzes the specific lack of students' mathematical core literacy in trigonometric function learning,and finds that students lacked core literacy in knowledge points such as the trigonometric function's image,nature,and simple application.It was concluded that the weak cognition of students is closely related to the lack of mathematical core literacy.And according to the core literacy in mathematics,the following four aspects of teachers were investigated: the degree of teachers' understanding of the mathematical core literacy,the degree of implementation of the mathematical core literacy in teaching,the lack of students' core literacy in trigonometric functions,and the influence of mathematical core literacy on students' learning ability.According to the survey results,we are more clear about the importance of implementing mathematical core literacy in teaching.Thirdly,on the basis of the investigation and analysis of the current situation of trigonometric function teaching and learning based on mathematical core literacy,this paper puts forward the teaching strategy of cultivating students' mathematical core literacy.Finally,based on the above strategies,a teaching design model for a certain class of the trigonometric function was constructed through specific lesson examples,which makes the theory applied to practice,and the mathematical core literacy is truly implemented in classroom teaching.