<![CDATA[This study aims to determine the significant differences in mathematical problem solving ability between using the Realistic Mathematics Education (RME) model and the Problem Solving model. This study uses a quantitative approach. The research method used is the Quasi Experimental Design research method using the Nonequivalent Pretest Posttest Control Group Design. In experimental class 1 using the Realistic Mathematics Education (RME) model, while experimental class 2 using the Problem Solving model. The sampling technique used Purposive Sampling. The research sample has the same number of students in experimental class 1 and experimental class 2, namely 26 students. The data collection technique used a written test in the form of descriptions. The results showed that the pre-test of experimental class 1 was 44.62, and the post-test was 73.85. Experimental class 2 showed a pre-test of 48.8 and a post-test of 67.69. The t-test analysis obtained a 2-tailed significance value of 0.024 <with a significance level of 0.05, so Ho was rejected and Hi was accepted. This means that there is a significant difference in the ability to solve mathematical problems between using the Realistic Mathematics Education (RME) model and the problem solving model in Class IV of SDN Bojong Menteng 2 Bekasi.]]>
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