Özet:

The purpose of this study is to reveal primary school students' Van Hiele geometric thinking levels in terms of gender, attitude toward geometry and mathematics achievement. The research is a study of relational screening model. In this study, it is tried to put forward the predictive power of gender, attitude toward geometry and geometric thinking level of success in mathematics classes of primary school students. The population of the study consisted of 1270 4th , 5 th , 6 th and 7th grade primary school students. "Van Hiele Geometric Thinking Test" and “The Scale of Attitude toward Geometry” (SATG) were used as the data collection tool in the study. Descriptive statistics, Pearson's correlation coefficient and Multiple Regression Analysis were used in the analysis of the data obtained from the study. As a result of the study, it was concluded that geometric thinking levels of the students participated in the study is low, that attitude towards geometry is moderate and that there is a significant and moderate relationship between geometric thinking scores and attitudes. Also, it was concluded that geometric thinking scores predict attitude and success variables at moderate level, but do not affect gender variable. Based on these results, giving more importance to geometry in the primary educational programs and giving seminars for teachers of mathematics are recommended. This study is limited to primary school students. However, a similar study may be carried out within the context of secondary schools and with a wider range of samples.

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