| Effective guidance and smooth development of classroom presentation activities have become the key to improving the quality of classroom teaching,and the role of teachers in classroom presentation activities cannot be ignored.In view of this,the study re-examines the characteristics of teacher guidance in the "one teacher,one excellent class" teacher in classroom presentation activities,and explores the advantages of teacher guidance in provincial quality classes and ministerial quality classes.The method of classroom observation was used to compile the "observation coding table for teacher guidance in high school mathematics classroom presentation activities" from the four aspects of teacher guidance triggering subject,guidance timing,guidance method,and guidance content.Based on the statistical data of this table,SPSS 23.0 was used for analysis Tools,quantitative analysis of teacher guidance;in addition,the study selects typical classroom teaching records for qualitative analysis to provide case support for quantitative data.The research results show that: 1.Teacher guidance is mainly caused by students,but the difference between the frequency of guidance caused by teachers and the frequency of guidance caused by students is very small,only 3.8%.2.Teachers mainly provide guidance after the exhibition.And the timing of the guidance caused by different subjects is very different,the difference is mainly reflected in the frequency of guidance when the presentation task is released,the preparation for the presentation,and the presentation.3.Teachers mainly guide students in inquiry and declarative languages.Teacher guidance methods have extremely significant differences in different triggering subjects,and the difference is reflected in the frequency of instructional guidance.Fourth,cognitive guidance and supervision organization is the main content of teacher guidance.Among them,organizing presentation,explaining the presentation task,and determining the type of presentation are the main contents of the supervision organization;asking questions is the main content of cognitive guidance;strengthening encouragement is the main guidance content of teacher evaluation and summary.Therefore,according to the research results,the following suggestions are proposed for teachers to carry out classroom view demonstration activities in the follow-up teaching:First,use teacher’s guidance to trigger students ’excitement and focus on giving play to students’ subjectivity;Motivate students’ enthusiasm for learning;3.Strengthen the supervision organization and cognitive guidance of exhibition activities,and stimulate a good atmosphere of exhibition activities through effective organization,appropriate cognitive guidance to guide students’ thinking to the depth,and promote the development of students’ thinking;The evaluation method encourages students to "presentation","good at presentation","want to presentation". |