The aim of this study is to investigate the effect of geometry teaching in an enriched technological environment to the 6th students' achievement on the topic of angles. The research was conducted with quasi-experimental method by using pre-test and post-test models. The study which performed in 2018-2019 academic year was applied in 3 classes of 6th grade level students who is studying in Asarcık district of Samsun. In this study, there are three groups; first experimental group which is supported by technology (T.G), second experimental group is lectured with work sheets and materials (M.G), third is control group which was used classical methods. The Angle Achievement Test which was prepared by researcher was used as a data collection tool. Data analysis was analysed by statistical analysis program and as a result, it was found that technology and material group showed a significant difference in success compared to control group.