<![CDATA[The purpose of this study was to see the improvement of students' mathematical problem-solving ability after implementing of the Creative Problem Solving (CPS) learning model. The research method used quantitative research with a quasi-experimental design. The population of this study was all students of class VIII of SMP PGRI 5 Cimahi. Two classes as research samples were selected through the Cluster Random Sampling technique, where one class was the experimental class and one class was the control class. The instrument used was a mathematical problem-solving ability test instrument in the form of a description of 5 questions arranged based on indicators of mathematical problem-solving ability. Data processing used the normality test and the Mann-Whitney test. The results of this study were an increase in students' mathematical problem-solving ability who implemented the Creative Problem Solving (CPS) learning model better than those who used conventional learning.]]>
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