| What is the most vital part in the process of teaching in senior high school is that how to establish links between function in junior high school and senior high school.Function occupies a decisive position in teaching process in senior high school.It can not be ignored that function plays an essential role in high school education throughout and it is the bridge to establish relationship between various thoughts.In terms of the importance of function and its polyhedral changes,this article focus on contrast of different characters of teaching,definition of function and different teaching goal in junior and senior high school and make an analysis of function in this two different period,which may discover the difference between teaching methods of teachers and learning methods of students in junior high school and senior high school.Meanwhile,the analysis can find its linking strategies in these different period and analyze in a deep level about their changes during the process of transition.Function plays an essential role in mathematics in senior high school,so that we always have much dealing with it.Function occupies a big proportion in mathematics in senior high school including equation,inequality,number sequence and sometimes derivation,calculus and analytic geometry are included.Fresh man in senior high school always disassociate function knowledge from junior high school because they can not follow a new learning environment and do not understand the links and distinctions,which may result in a barrier in learning without a solution.This article came to pervade the significance of function teaching in the two period and describe the different learning character and their distinction.Different requirements of function and difference of its definition as well as nature in different period are included in this article.The article also discussed its linking strategies and list specific methods with specific example.These information mentioned above manifested the continuity and recursiveness of function in junior and senior high school.At the end of article,the end statement was summary the whole article and expresses expectation of the author.Meanwhile,the limitations,of this article were concluded in the end. |