<![CDATA[This study aims to test the validity and practicality of the Problem Based Learning (PBL)-based teaching module integrated with the Wordwall application on similarity material. The method used is the development of Plomp consisting of 5 stages, namely Preliminary investigation, design, relation/construction, test, evaluation and revision and Implementation. With the validation sheet as the main instrument and a feasibility score of 89.83% with the category "Very Valid" and the practicality questionnaire from the overall student responses obtained a percentage score of 88.5% with the category "Very Practical". Based on the results developed by the researcher entitled Validity Test and Practicality Test of Problem Based Learning-Based Teaching Modules and Integrated Wordwall on Similarity Material, it is concluded that the Problem Based Learning-based LKPD that has been developed has met the criteria of being very valid and very practical. These findings support the effectiveness of the PBL approach and the integration of digital media such as Wordwall in improving the quality of mathematics learning.]]>
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