Abstract The research background is due to problems regarding multiplication. Considering that multiplication is an important and useful material for life, based on that, the researchers are interested in doing that research. This research was conducted in Mathematics learning at SDN Cibodas 2, with 30 students consisting of 16 boys students and 14 girls students. This research used the realistic mathematics education (RME) approach. The data collection in this research is by applying tests and observations. From the analysis results that have been carried out, it can be concluded that the learning using the RME approach shows a better improvement. This can be seen from the average score of students' learning activities and mathematics learning outcomes which have increased. The average score of students' learning activities has increased in each cycle. In the first cycle, the average score was 1.8 or 45%, in the second cycle, the average score was 2.7 or 67%, and in the third cycle, the average score was 3.2 or 80%. While the average score of students' mathematics learning outcomes in the pre-cycle is only 54, in the first cycle increased to 62, in the second cycle is 66, and in the third cycle is 78.Keywords: Learning Outcomes; Whole Numbers; RME
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