| In the current era,more and more international organizations and countries have begun to pay attention to "key competencies".In China,the latest revised curriculum standards regard key competencies as a soul in education.It is important and urgent to talk about the application of key competencies in all aspects of educating and teaching.Through the research of many educators,it is found that unit teaching method helps to develop the key competencies of students and reduce the fragmentation of knowledge.This article will select the function knowledge and conduct unit teaching design research according to the ADDIE model.This article firstly analyzes the content of the function section.And then formulates unit teaching goals and unit lesson schedule.On the basis of the analysis,the overall development of the function unit is carried out,and the content of the quadratic function is selected for the specific design and implementation of the division of class.After the quadratic function teaching is over,a test is conducted on the two classes.Through comparative analysis of the test,we found that the post-test data has significant differences.It shows that after a period of quadratic function unit teaching,students’ ability and key competencies in using quadratic functions have been improved to a certain extent.In summary,this research has formed a transferable class example and found that unit teaching helps students to establish knowledge network,understand knowledge from the perspective of integrity and relevance,and promote the key competencies. |