Study On The Strategies Of Designing Micro-lecture Of Middle School Mathematics Concept Based On Apos Theory

The abstractness of mathematical concept makes it difficult for students to learn mathematics concept,while the traditional teaching mode is "teacher output student's input" mode,which can not carry out mathematics core accomplishment well,students feel dull,the learning effect is not ideal.The craze of "Internet plus" has created opportunities for universities to use micro-lecture teaching and innovated education teaching mode.However,in the existing literature,there are fewer design strategies for the micro-lecture of mathematics concept,and the related lectures are scarce.This paper adopts the methods of literature research and experimental research,and carries out the research on the design strategy of mathematics concept micro-lecture based on APOS theory.Explain how to design micro-lecture content by explaining strategies--application strategies--case presentations.On the one hand,try to complete the micro-lecture as a new way of teaching,let the students self-study class,on the other hand,integrating micro-lecture teaching with traditional teaching,assisted classroom teaching,and tried to explore the design strategy and effectiveness of junior middle school mathematics concept micro-lecture.And based on the preliminary understanding of quadratic function,an example is given to illustrate the influence of the design strategy of mathematics concept on the learners based on APOS theory.It is expected to provide some theoretical and practical references for the optimization of junior high school concept micro-lecture.This study mainly focuses on two aspects: theoretical research and practical research.In the aspect of theoretical research,the literature method is mainly used to summarize the related research of mathematics micro-lecture and the related research of mathematics teaching design.Then,the paper discusses the current situation of the design and application of mathematics micro-lecture and the theoretical basis and basis of the design strategy of mathematics concept micro-lecture.Finally,Try to build a strategy for junior high school mathematics concept micro-lecture design based on APOS theory: to promote the activity strategy,promote the process strategy,promote the objectification strategy,and promote the schematization strategy.In the field of practical research,the teaching experiment is the main one,and the research is supplemented.Taking the preliminary understanding of the quadratic function as an example,this paper examines the value of the micro-lecture in the design of this strategy and the influence of micro-lecture assisted instruction on the students' learning process and learning results.The results of the study show that the teaching method of mathematics concept micro-lecture design based on APOS theory has significantly improved the math performance of students in the experimental class.The investigation shows that the students' understanding ability,problem-solving ability,emotional attitude,learning style and thinking level are positively affected.