<![CDATA[The issue of students’ learning outcomes in mathematics, particularly in the topic of standard unit volume measurement, which have not yet met the minimum completeness criteria, has become a problem in Grade 4 at SDN 7 Sugihwaras. Based on data triangulation, the main contributing factor is the abstract nature of the material, which leads to low student interest. In addition, teacher-centered learning further reduces students’ engagement in the learning process. This study aims to develop interactive multimedia to improve students’ learning outcomes. The research is a Research and Development (R&D) study using the Plomp development model. The Plomp model consists of five phases: preliminary investigation, design, realization/construction, test, evaluation and revision, and implementation. he results of the expert validation show that the interactive multimedia developed using Articulate Storyline 3 received a score of 92.3% from the subject matter expert and 96% from the media expert, both falling into the "Highly Valid" category. In terms of practicality, student response questionnaires yielded a score of 100%. Limited trials resulted in a score of 86.25, while wider trials yielded 87.83. Thus, this interactive multimedia meets the criteria of validity, practicality, and effectiveness, and can be used to improve students' learning outcomes.]]>
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