In order to create an exemplary training model for improving teachers’TPACK,we construct a training model based on the SECI theory for mathematics teachers’TPACK under the background of“Internet+”.This model includes the community of teacher,case study of teaching,integration of teaching and academic research,and application of regular teaching;furthermore,it emphasizes experience sharing,situational learning,knowledge combining,and practical application.This model was used to carry out NetPad training for mathematics teachers of middle sch...