<![CDATA[This study aims to develop mathematics learning videos to train students' analytical skills in three-dimensional materials that are valid, practical, and have potential effects. The development of these learning videos employs the ADDIE research method, which consists of five stages: Analysis, Design, Development, Implementation, and Evaluation. Research data were obtained through validation questionnaires, student response questionnaires, and student learning outcome tests. The trial subjects were 12th-grade science students at SMA Negeri 7 Palembang, South Sumatra. Based on the analysis of data obtained from expert validation, the mathematics learning videos to train students' analytical skills in three-dimensional materials were deemed "highly valid," with an average percentage of 91.77%. The practicality test resulted in a rating of "highly practical," with an average rate of 88.5%. Meanwhile, the potential effects aspect was deemed to have "potential effects" with an average percentage of 90% based on student learning outcome tests.]]>
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