ABSTRACTThis research was background by student understanding of mathematical concept is still low and the students do not have responsiblity in do  the group task. He aim of this research model is to know the understanding of mathematical concepts by applying model study with cooperative type Numbered Heads Together  Accompanied Quiz better than student in understanding mathematical concepts with conventional learning. This research is to design  experimental with random subject. Instrument used in this research is the quiz and final test . Form of tes the used is form of essay with r11 = 0.816. Based on the analysis of data the are development of understanding mathematical concepts. From the test result obtained tcount = 2.031 greater than ttable = 1,682 . So that can be concluded studentsâ understanding of mathematical concepts apply cooperative learning model Numbered Heads Together accompanied by quiz better than understanding of mathematical concepts students applying conventional learning in  the class VIII SMPN 1 Talamau.
Copyrights © 2014