| Mathematics in the National College Entrance Examination is an important means to test the quality of mathematics teaching in middle school.Mathematics in the National College Entrance Examination,to a large extent,is the baton and the vane of middle school mathematics education and teaching.The analysis and research of Mathematics papers and questions has always been one of the hot topics for the experts and scholars in pedagogy and so many teachers in middle school.It can be seen that,from Science Maths?volume in the National College Entrance Examination in 2019,the three questions in probability and statistics part have their own distinguishing features.Choice question combined with Zhouyi has mixed together with the traditional Chinese culture and knowledge.Taking the four-win system of nine games as the problem situation,the fill-in-the-blank question examines the students' mathematical abstraction ability and mathematical application consciousness.In the history of the paper of the National College Entrance Examination,the answer question,for the first time,has appeared as a final question,which has increased the amount of reading,and examinees comprehensive use of mathematical knowledge to solve the problem of ability,emphasis on logical reasoning quality,highlighted the examinee innovation ability and innovation consciousness of the examination requirements.In general,compared with previous years,Science Maths?volume in the National College Entrance Examination in 2019 has many obvious changes,among which the biggest one is that the probability question has been the final question.This question combines the probability and sequence knowledge,and explains the meaning of probability level according to the result of mathematical operation,which not only reflects the examination of mathematical reasoning ability,but also reflects the application of theory in practice.However,this kind of change has caused thousands of netizens' "hot discussion".They wonder whether it is the wrong with propositional orientation,propositional principle or propositional scope or some weak links in the teaching and learning of middle school mathematics.What on earth are the problems? How can we solve these problems? To figure out these problems,we need to make a more extensive and deeper research of probability and statistics questions in Science Maths in the National College Entrance Examination in 2019,so as to attain the goal of improving the teaching of mathematics probability and statistics in high school.This paper studies the rationality of the Maths probability and statistics of the National College Entrance Examination in 2019 from three aspects: the consistency between the exam questions and the exam outline,the recognition degree of the first-line high school teachers on the exam questions,and the comparative analysis with the previous exam questions,and it will discuss whether there has been a problem in the proposition of the Maths exam questions of the National College Entrance Examination in 2019.Based on the High School Mathematics Curriculum Standard(2017 version),in the light of 2019 Science Department Mathematics Exam Outline of High School,on account of setting questionnaires under the guidance of first-line high school teachers,this paper will research deeply into the examinees' test preparation and test results on the part of probability and statistics,discuss the weak points of the examinees in the probability and statistics part,and put forward teaching suggestions aimed at the weak points.This study mainly adopts literature research method,questionnaire survey method,interview method and data analysis method.This paper will research into the test questions by means of literature research,and explore the degree of conformity between the test questions and the Examination Syllabus and the Mathematics Curriculum Standards of General High School(2017 version).Combining questionnaire survey and interview,this paper will discuss the recognition degree of the first-line teachers to the test questions.Through the establishment of questionnaire,this paper will absolutely restore the examinees' situation of preparing and working out the test questions.Finally,SPSS22.0 software is used to process and analyze the data collected from the questionnaire survey to obtain the reliability of the data,so as to support the analysis of the subsequent results.Based on the analysis of the test questions and the examinee situation,this paper draws the following conclusions: the test difficulty of probability and statistics part in Science Maths?volume in the National College Entrance Examination in 2019 is moderate and stably innovative.The test questions link the new curriculum reform and the new National College Entrance Examination.They are based on the core quality of mathematics,strengthen the mathematical culture,and lay equal stress on comprehensiveness and innovativeness.The main reason for the problem is that examinees' knowledge reserve and their ability to comprehensively apply the knowledge they have learned are insufficient,and their mathematical exploration ability,mathematical modeling ability and comprehensive use of knowledge to solve practical problems is not strong,and their core mathematical accomplishment cannot meet the requirements of the Mathematics Curriculum Standards of General High School(2017 version).To this end,middle school should strengthen the construction of teaching infrastructure,adhere to the five education and enhance quality education.Teachers should analyze and study the Mathematics Curriculum Standards of General High School,strengthen their theoretical and professional qualities of mathematics education,stick to the in-depth integration of information technology and mathematics curriculum,involve mathematics culture in their teaching,and keep close to the examinee's real life,and guide students to experience the connection between probability and statistics with other subjects and daily life actively,stimulate students' motivation to be interested in mathematical innovation,and enhance their awareness of mathematical application In preparing for the exam,examinees should give full play to their subjective initiative,and improve the ability to solve practical problems by using probabilistic statistical ideas,methods and knowledge. |
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