Teaching Research Of "Probability And Statistics" In Secondary Vocational Schools Based On Comparison Of Teaching Materials

With the rapid development of society,"probability and statistics" has received more and more attention in the era of big data,and has gradually been paid attention to in the mathematics teaching of secondary vocational schools.The teaching material is an important carrier of knowledge,but the mathematics teaching material of secondary vocational school has always been ignored.leading to the content of the teaching material are obsolete,the teachers’ thinking and strategies are single,and the students can choose the lack of learning content,which cannot guarantee the teaching quality.In order to enhance and improve secondary vocational math teaching of probability and statistics,this paper chose the "probability and statistics" part of teaching material content of secondary vocational school(People’s Education Press)and secondary vocational school(Higher Education Press)as the research object,and in the background of "the combination of ordinary high education and vocational education" guidance,reference writing features of teaching materials of ordinary high school(People’s Education Press A version)which published in 2019,using literature analysis method to determine the dimensions of comparative research ideas and textbook design;using the method of comparative analysis to analysis the structure,the exercises,the use of information and other aspects of the characteristics of different versions of teaching materials,through interviews to understand the front-line teachers’ use of teaching materials and evaluation,on this basis,combined with secondary vocational mathematics curriculum standards and professional talent training program,research and thinking on the teaching of "probability and statistics" in secondary vocational schools.Through the comparative study of teaching materials,it is found that in terms of column design,there are many kinds of columns in secondary vocational school(Higher Education Press)and ordinary high school(People’s Education Press);in terms of the arrangement order of teaching materials,the secondary vocational teaching materials adopt the order of "probability statistics probability",while the ordinary high school teaching materials adopt the order of "statistics probability statistics".In terms of the number and types of exercises,the secondary vocational school(Higher Education Press)is more than the secondary vocational school(People’s Education Press);in terms of difficulty,the secondary vocational school(People’s Education Press)is more than the secondary vocational school(Higher Education Press).In terms of digital teaching resources,the secondary vocational school(Higher Education Press)is rich,but the resources are old;the form of digital teaching resources of the ordinary high school(People’s Education Press)is relatively new,mainly interactive animation.In terms of the comprehensive level of information technology application,the distribution of information technology in the "General Higher Education Version" and "Secondary Vocational Higher Education Version" is relatively balanced and stable,but the "Secondary Vocational Higher Education Version" deviates from the overall perspective.Through interviews with front-line teachers on the use of teaching materials,we know that most teachers still stay at the level of "teaching the teaching materials".However,individual young backbone teachers will integrate the resources of different versions of teaching materials,and use it reasonable,in the application of information technology,although different versions of teaching materials have introduced calculators or computer software,and provided a large number of digital teaching resources,but the utilization rate is low,just in name.Based on the theoretical basis(curriculum standards,personnel training programs,teaching materials comparison results)and practical basis(teacher interview),this paper puts forward the following suggestions for the teaching of "probability and statistics" in secondary vocational schools;1.Grasp the curriculum standards and plan the overall situation;2.Reconstruct the content and adjust the order;3.Combine the practice with the major;4.Information technology,in-depth teaching;5.Construct learning materials scientifically,and completed the teaching design of "random events and probability","one variable linear regression equation".Its significance is to provide a new idea of "resource sharing and mutual learning of ideas" for secondary vocational teachers,and provide a reference for the theoretical research and teaching research of "probability and statistics".