
The main purpose of this study is to investigate the relationship between the usage of contextual teaching and learning with students’ achievement in mathematical education. The study was conducted in Madrasah Ibtidayah Negeri (a private Islamic primary schools) in South Jakarta. A quantitative inquiry method was used in this study by applying a quasi-experimental form of analysis. The data on mathematics learning process and students’ achievements were gathered using questionnaires. Then, the data was analysed using inferential analysis through correlation and regression analysis. This present study found that there were differences in the students' achievements between students who learn using contextual teaching and learning (CTL) and those who learn using the conventional approach. The achievement of students using CTL modules is higher than students who had been exposed to conventional method.