| In order to further implement the spirit of the 19 th National Congress of the Communist Party of China and the Fifth Plenary Session of the 19 th Central Committee,the central government has clearly put forward the "double reduction" policy,which requires improving the teaching quality of schools,ensuring the efficiency of "45 minutes" in the classroom,and adjusting school teaching methods to improve the quality of primary and secondary school students.learning efficiency at school.Group teaching is also an effective form of teaching organization to improve the quality of teaching,and has been widely recognized by many education experts,scholars and front-line physical education teachers.Although group teaching has become a regular teaching organization form in physical education and health courses,and it also plays a pivotal role in the improvement of teaching quality,it is not clear how appropriate the size of the group is.This study intends to explore the impact of different group sizes in primary school football teaching on students’ academic learning time from the perspective of students’ academic time,in order to provide a certain theoretical basis and practical reference for reasonable grouping,optimizing classroom teaching,and improving the teaching quality of physical education and health courses.This paper mainly adopts the method of literature data,systematic observation and mathematical statistics,and selects 15 regular teaching videos of the fourth grade from the "National Youth Campus Football Normal Course",and a total of 30 football teaching videos are used as observation samples.Taking the group size in elementary school football teaching as the research object and ALT-PE as the observation tool,the characteristics of the application of group size in the elementary school football technology teaching,the difference of students’ academic learning time under different group sizes and the group size in the elementary school football technology teaching A study of the impact of student academic study time led to the following conclusions:（1）In primary school football teaching,the preparatory part and the end part are mainly in the form of group practice.In the technical practice,the group of 10 people is most distributed,and the group size in the group teaching is single.（2）In elementary school football teaching,when the technical teaching is in small-scale group teaching with less than 5 people,the academic study time of students is significantly more than in large-scale group teaching with more than 5people;when teaching in groups with more than 5 people,the organization and management,switching transition,and waiting time are significantly increased;in large-scale group teaching of 10 or more people,the application of competition teaching can effectively improve students’ academic learning time.Group size can have a significant negative impact on students’ academic study time and a significant positive impact on waiting time in physical education and health teaching,and waiting time can negatively predict students’ academic study time.（3）When teaching in large-scale groups of 10 or more,the application of competition teaching can effectively improve students’ academic learning time.Therefore,this study makes the following recommendations:（1）When teaching physical education and health courses,it is recommended to adopt a variety of teaching methods and a reasonable group size to reduce students’ waiting time and improve students’ academic learning time（2）In the process of teaching football skills in primary schools,the group size should be controlled within 5 people as much as possible.（3）When the number of classes is large,in the process of primary school football teaching,more competition exercises can be set up,and the competition can be used as a substitute for training and teaching during the competition,which can improve the practice density of physical education classes,increase students’ academic study time,and improve the quality of physical education classes. |
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