Abstract :
Education have important role to continuity of human life. Education is the effort and conciousness of terencana to realize atmosphere learn and study process so that/ to be educative participant actively develop x'self potency to have the power of religious spiritual, selfcontrol, personality, august behavior, and also needed by skill is x'self, society, state and nation. Problems at teacher given on to problems related to study process. Teacher have to can overcome constraints which emerge directly related to Iesson. To reply/ answer this problem, researcher do/conduct research of class action with a purpose to improve the quality of study. In collecting researcher data use Sheet observation, enquette and tes. Observation done/conducted to ability of study ell teacher and student activity in following study process at every cycle, tes passed to is final of cycle and end of overall of study process while enquette given by after finishing study process about System Equation Of Linear Two Variable. Result of research show storey;level ability of natural study ell teacher is make-up of from cycle to cycle. Of cycle of I to cycle of II natural is make-up of equal to 0,709 with good category. Student activity also experience of improvement. of cycle of I to cycle of II natural is make-up of equal to 1,216 and complete Mean of result learn by klasikal also experience of improvement. Of cycle of I to cycle of II equal to 33,33 Result of data analysis indicate that ability of study ell teacher pertained is effective, student activity pertained is effective, student respon to positive study, and complete learn by klasikal reached. Researcher conclude that with applying of model study of arias can improve achievement learn class student mathematics of VIII SMP Construct Kusuma Ruteng. Researcher also suggest to all mathematics teacher in East Nusa Tenggara.