<![CDATA[The Research and Development (R&D) study using the ADDIE model, which consists of five stages: Analysis, Design, Development, Implementation, and Evaluation, aims to develop and test the feasibility, practicality, and effectiveness of interactive learning media based on Problem-Based Learning assisted by Canva and Educaplay on the mathematical problem-solving skills of junior high school students. The validation results from material, media, and language experts were 89.70%, 90.77%, and 96.30%, respectively, all falling into the "highly valid" category. The practicality aspect of the media was also met, as indicated by the average student response questionnaire score of 81.53%, which is categorized as "highly practical." Furthermore, the effectiveness test was conducted by involving 35 students in the experimental class and 35 students in the control class. The analysis results showed that the experimental class experienced an improvement in skills, with an average N-Gain score of 0.79, which is in the high category. This advantage is supported by the results of the Independent Samples T-Test, which yielded a sig. (2-tailed) value of 0.000 < 0.05. Consequently, it can be concluded that the use of this interactive media is proven to be significantly effective in improving students' mathematical problem-solving skills.]]>
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