Penerapan Model Pembelajaran Kooperatif Tipe Numbered Heads Together (NHT) Un…

The problem this research is the student achievement of social studies SDN 032 Mumugo fourth graderes still low wich an average value of 57.6. Minimal completeness criteria ( KKM ) science studies is 70 . Amount IVB graders are as many as 15 people, who reach only 6 KKM students with classical completeness 40 % . This research is Classroom Action Research ( CAR), which aims to improve science s…