PENERAPAN MODEL PEMBELAJARAN APTITUDE TREATMENT INTERACTION (ATI) UNTUK MENINGKATKAN HASIL BELAJAR POKOK BAHASAN FAKTORISASI SUKU ALJABAR KELAS VIIIA SEMESTER GASAL SMP NEGERI 2 GLENMORE TAHUN PELAJARAN 2013/2014

Abstract

Abstract. There are many students who have difficulty in solving math problems. Their achivement score are very low. The aplication of Aptitude Treatment Interaction (ATI) learning model is important  to improve learning achivement and student activities in solving the Algebraill Rate Factorisation problems at eigth grade SMP Negeri 2 Glenmore year 2013/2014. This research type is a Classroom Action Research (CAR). The data analysed in this research are student’s activity, and learning achivement. The research show that student’s activity attain 77,14% in the first cycle and 82,39% in second cycle, student’s learning achivement attain 85% in the first cycle and 90% in second cycle, and for the teacher’s activity attain 90,91% in the first and 96,97% in the second . It can be concluded that the aplication of Aptitude Treatment Interaction (ATI) learning model is effective to improve student’s learning outcomes in solving Algebraill Rate  Factorisation.

Key Words: Aptitude Treatment Interaction (ATI) learning model, Algebraill Rate  Factorisation, student’s activity, student’s learning achivement, teacher’s activity