Abstrak Tujuan penelitian ini adalah mendeskripsikan aktivitas guru dan siswa selama proses pembelajaran dan meningkatkan hasil belajar siswa dengan mengggunakan strategi pembelajaran mind mapping. Metode penelitian ini adalah penelitian tindakan kelas yang dilaksanakan sebanyak tiga siklus. Data penelitian diperoleh dari observasi dan tes.. Hasil penelitian menunjukkan bahwa aktivitas guru mengalami peningkatanselama tiga siklus dengan persentase ketuntasan 69% pada siklus I, 78% pada siklus II dan 93,05% pada siklus III. Aktivitas siswa juga mengalami peningkatan selama tiga siklus dengan persentase ketuntasan 65%pada siklus I, 75% pada siklus II dan 88,88% pada siklus III. Pada hasil belajar siswa juga mengalami peningkatan selama tiga siklus dengan persentase ketuntasan 64,50% pada siklus I, 77,41% pada siklus II dan 83,87% pada siklus III. Dengan demikian dapat disimpulkan bahwa strategi pembelajaran mind mapping dapat meningkatkan hasil belajar siswa kelas IV. Kata Kunci: Pemahaman Konsep, strategi mind mapping, hasil belajar Abstract The purpose of this research is described the activity of teachers and students during the process of learning and improve student learning result with the strategies mind mapping learning. A method of this research is Classroom Action Research (CAR) conducted a total of three cycles. Research data obtained from observation and tests. The research results show that the activity of the teacher experience increased during three cycles with the completeness percentage 69 % on first cycle, 78 % on second cycle and 93,05 % on third cycle. The activity of students has also increased during the three cycles with the completeness percentage 65 % on first cycle, 75% on second cycle and 88,88 % on third cycle. On the student learning result has also increased during the three cycles with the completeness percentage 64,50 % on first cycle, 77,41 % on second cycle and 83,87 % on third cycle. Thus it may concluded that the strategy mind mapping learning can improve student learning result on fourth grade studies of Lidah Kulon III / 466 state elementary school Surabaya. Keywords: Understanding the concept, the strategy mind mapping, learning result