S. This study aimed to describe the learning outcome of students using demonstration method in teaching mathematics class v SDN 28 Senangak. This study used descriptive, qualitative and quantitative approaches to the shape of PTK. The subjects research were 16 students and 1 teacher of class v SDN 28 Senangak. Data collection technique is direct observation techniques. Data collection tool in the form of observation sheets IPKG 1, IPKG 11, and a written test. The data is analyzed and reflected. From the observation, the implementation of learning has incrased. Planning learning the first cycle an average score is 2,52, in the second cycle an average score is 2,64. Implementation of learning the first cycle an avetage score is 2,9, in second cycle an average score is 3,0. The results of students learning the first cycle an average was 64,37, in the second cycle average was 88,12.
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