摘要：This study aims to improve student learning outcomes fourth grade MI At-Taqwa 50 Mandala Jaya Tarumajaya Bekasi Regency. This research is an action research. The subjects of this study are all students of class IV which amounted to 28 students. Factors studied in the form of improved student learning outcomes. Instruments at each cycle. The data collected at each activity result of learning from cycle implementation, analyzed by using the mean of student learning result and percentage of student learning result which counted by descriptive percentage. The results showed that the average of students in the first cycle of 74.28 with 82% classical completeness increased average in cycle II to 83.92 with 93% classical completeness. When viewed from these results, the model of learning type of Missouri Mathematics Project to improve student learning outcomes in learning mathematics.
