This research aims to analyze the effect of STEM model learning on problem-solving ability and mathematical literacy ability. The research uses a quantitative approach with a Quasi-Experimental research design in the form of a Pre-Post Group Design. The research instruments are learning instruments, tests, interviews, and test question validation questionnaires. The data analysis results using the Wilcoxon test show that there is an influence of using the STEM learning model on problem-solving abilities and mathem…