Meningkatkan Keaktifan dan Hasil Belajar Matematika dengan Model Pembelajaran Kooperatif Tipe Group Investigation

The purpose of this research was to determine the learning process by using cooperative learning model type Group Investigation (GI) can enhance the activity and outcomes of learning mathematics class VII MTs Riyadhus Sholihin Purwareja Klampok. The results of research showed that for the involvement of the student and the learning outcomes of learning mathematics using coopertive learning type Group Investigation (GI) increased. In the pre-cycle, active of student learning increased by 43.16% for the first cycle to 62.24%, then on the second cycle increased to 71.84%. and the average value of student learning outcomes also increased. the pre-cycle average value of 55.73 with percentage of completeness by 31.57%. and then Increase in the first cycle to 61.71 with percentage of completeness to 52.63%. Then increased again in the second cycle amounted to 73.42 with percentage of completeness to 76.31%