Main Article Content
The use of technology in classrooms is steadily increasing. Whether one feels that computers should be an integral part of education for pedagogical reasons or that their usage is acceptable solely because of the technical necessities of the environment in which today's students will work, this expansion will continue. This research study the efficiency of develop cooperative learning activities using TGT for improving learning achievement and teamwork skills and for analyze students' teamwork skills after learning through cooperative learning activities using TGT. The research model is quasi-experimental research. A total of 59 students. The results revealed that the efficiency of cooperative learning activities using online team game tournament technique for improving learning achievement and teamwork skills passed the criterion of 81.35/85.49 higher than the specified criteria of 80/80. The students’ post-test score using cooperative learning activities using TGT was higher than pre-test score statistically significant at .05 level, the instructors assessed overall students' teamwork skills at the high level and the students assessed overall their teamwork skills at the high level.