The background of this research that the fifth grade students of SDN Senden Jombang have difficulty in mastering the concept of a material social studies. The cause of these problems is the teacher who is still using the traditional teacher-centered, material presented only in the handbook without the latest learning resources, and is also thought to have only limited use of the media as a medium whiteboard notes. Therefore, researchers endeavor to solve these problems by applying the method of

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... mind mapping. By purposing to find out how the enhancement in students' mastery of concepts, teacher activity, student activities, and student responses after applying mind mapping method. This study uses Classroom Action Research (CAR), which uses data analysis techniques of qualitative and quantitative descriptive. Subject of this research is the fifth grade students of SDN Senden Jombang Peterongan totaling 33 students. Having conducted through three cycles and each cycle consisting of planning, implementation, observation, reflection. Data collection techniques being used is observation, tests, and questionnaires. The instrument used is a sheet of teacher activity, student activity sheets, sheet of test and sheet of questionnaire. Teacher activity has increased during the three cycles, the first cycle is 67.86%, the second cycle increased by 85.71% and the third cycle becomes 89.29%. The enhancement also gets occurred in the student activity of cycle one to cycle three, namely 69.64%, 79.69%, 87.5%. The results of students' mastery of concepts learned in the first cycle increased only to 12.1% in the second cycle reaches 66.67%, and increased in the third cycle to 84.85%. The response being provided by students of the first cycle is 71.51%, the second cycle is 79.09% and the third cycle to 83.3%. It can be concluded that the application of the mind mapping method can improve students' mastery of the concept of class V material appearance SDN Senden Jombang.