| With the development of elementary education curriculum reform,the penetration of mathematics basic thought has become one of the basic goals of elementary school mathematics education."When the number lacks form,it is less intuitive,and when the form lacks number,it is difficult to be subtle." The thought of combination of number and form is one of the important mathematical thoughts.Many contents of number and algebra plate contain the thought of combination of number and form,which is a good position for teachers to use the thought of combination of number and form in teaching.Teachers should assume the responsibility of cultivating and actively apply the combination of number and form in the teaching of number and algebra.This study focuses on the number and algebra section in primary school.Taking S City as an example,the application status and optimization strategies of the log-form combination thought in primary school number and algebra teaching are studied by comprehensive use of questionnaire survey,interview method and case analysis method.The thesis is mainly divided into five parts,the specific content is as follows:The first part is introduction.This paper mainly describes the background of the topic,the purpose and significance of the research,and puts forward the research ideas and methods after the literature review of relevant researches at home and abroad.The second part is an overview of the application of the combination of number and form in elementary school number and algebra teaching.First,define the core concept;Secondly,it makes clear the theoretical basis and application value of the combination of number and form in elementary school number and algebra teaching.Finally,the paper interprets the contents of elementary school mathematics and algebra textbooks based on the thought of combining number and form,which lays a theoretical foundation for further research on the application of combining number and form in elementary school mathematics and algebra teaching.The third part is the investigation of the application of the combination of number and form in elementary school number and algebra teaching.Taking primary school mathematics teachers in S City as the objects of investigation,questionnaire survey and interview methods are mainly used to consider cognition and practice,and the application status of the combination of number and form in primary school mathematics and algebra teaching is analyzed from four dimensions: overall cognition,application attitude,application behavior and application effect.The fourth part is the analysis of the problems and causes in the application of the combination of number and form in elementary school number and algebra teaching.Firstly,according to the results of questionnaire survey,interview and teaching cases,the problems existing in the application process are analyzed,which mainly include teachers’ inadequate understanding of logarithmic combination in primary school mathematics and algebra teaching,neglect of the combination of number and form in teaching objectives,shallow application of the combination of number and form,insufficient application of reflection and poor application effect.Then,it analyzes the reasons from four aspects: teacher education concept,professional quality,guidance training and teaching reflection.The fifth part is the optimization strategy of number and form combination in elementary school number and algebra teaching.It mainly includes updating the educational idea and deepening the understanding of logarithmic combination.Based on the combination of number and form,the teaching objectives of number and algebra are formulated.Improve teachers’ literacy,optimize the use of numbers and shapes combined with thought;Strengthen teaching reflection and improve the effect of combining number and form. |