An Exploration on the Teaching Practice of "Preliminary Geometry" with NetPad——A Case Study of Class A, Grade 7, Fengtai Middle School, Beijing National Day School

In order to adapt to the development trend of education informatization, academician Zhang Jingzhong of the Chinese Academy of Sciences led his team to develop China's first professional mobile Internet dynamic mathematics software on the basis of Supersketchpad, named NetPad, which is mainly used to serve science teaching. This paper takes the students of Fengtai Middle School of Beijing National Day School as the experimental objects, and uses the research methods such as questionnaire survey and test to collect the main data of the research process. Two classes were randomly selected to participate in the teaching experiment. The research results show that the n NetPad assisted junior middle school mathematics "figures and geometry" teaching can better mobilize students' interest in mathematics, improve junior middle school students' understanding ability of plane geometry, develop their spatial imagination ability, exercise their thinking ability, master good learning methods, improve junior middle school mathematics "figure and geometry" problem solving ability, and achieve better grades and better learning results.