This study aims to identify the factors affectıng students' the mathematıcs success and determine the effect level of the factors via multiple correspondence analysis. The study group is consisted of 460 8th grade students from 2 different cities. The students have taken the survey "Factors Affecting Mathematics Success", developed by the researchers to identify the descriptive characteristics of the students and the maintained data have been compared with the TEOG results of the students via multiple correspondence analysis. The results of the analyses operated by SPSS15.0 package software has shown that the students' success levels have been affected by their fathers' academic background, status of educational support, cultural differences (ethnical roots) and attitudes towards the course and the teachers. Extended Abstract PurposeMathematics is a goal benefited to reveal and direct the personal skills and gain a systematical and rational habit of thinking and an instrument benefited in all human activities.Teaching the mathematics has a vital role in creating an information society and the growth and the future of a country. Mathematics trainings help the society to widen its horizons and thoughts. It brings a new perspective into the society and enables the people to look through from a different view (Aydın, 2003). Although it is so essential, it has been considered one of the complicated and boring courses by the students (Aksu, 1985). Many factors affect this belief. The physical environment, the cognitive level, environmental factors and parental interest the students have are some of these factors. However, if the literature reviewed,