Experience Teaching In The Lower Grades Of Primary School

21st century basic education course reform highlighted "with an emphasis on the cultivation of innovation spirit and practice ability,establish the new teaching way,change in the way to promote learning",also with particular emphasis on the students' active participation and hands-on practice".Due to the elementary school mathematics teacher for the understanding of the experience teaching theory and its application ability is uneven,and the number of concept design of experience teaching in the field in more or less some problems,such as selection of experience content,the goal determination of experience,the use of experience teaching strategy and evaluation and a series of problems.To solve these problems,the author in the combined system,on the basis of combing relevant experience teaching materials,it is a primary school of Nanjing,observation,interview and investigation,discusses the current situation of experience teaching,especially in the teaching of integer concept implementation,and case study in class,the literature research and the related video,a line of teachers and teaching to discuss how to effectively for teaching concept.The author will experience teaching and the elementary school lower grade teaching of the concept of integer design to study the combination of both,is expounded and discussed with corresponding classroom teaching cases,and the application value of integer concept of experience teaching reflection and summarized,and tries to explore the concept of some help to the elementary school lower grade from experience teaching Suggestions and countermeasures,arouse the students' interest in learning mathematics,improve students'autonomous learning ability and mathematics application ability,and promote the development of students' number sense.