The objective of this study was to determine the effect of the application of Missouri Mathematics Project (MMP) learning models on improving student learning outcomes. The problems discussed in this study was to describe the activities of teachers and students, results and completeness of student learning as well as students' responses using Missouri Mathematics Project (MMP). Missouri Mathematics Project (MMP) is a structured learning models packaged in several steps: review, development, controlled exercise, seat work and assignments. Samples were 26 students of Islamic school Husain Ibn Surabaya, Indonesia. The research instrument is the students, daily test. This research was conducted in two cycles. The results using the learning model of Missouri Mathematics Project (MMP) in the learning process showed that: (1) there is an increased activity of the teacher; (2) there is an increased activity of students; (3) there is an increase in student learning outcomes; (4) there is an increasing mastery of student learning outcomes; and (5) student response was very good.