<![CDATA[This study aimed to develop Collaborative Matching Cards (KAPAS) to improve elementary school students’ learning interest, engagement, and academic achievement. The study employed a Research and Development (R&D) method using the ADDIE model, consisting of Analysis, Design, Development, Implementation, and Evaluation stages. Data were collected through observations, interviews, questionnaires, and assessment instruments. Data were analyzed using qualitative and quantitative descriptive approaches, including percentage calculations and paired-samples t-test analysis. The results showed that the KAPAS media obtained validity scores of 97% from media experts and 93.75% from material experts, indicating that the media was categorized as highly feasible. The practicality evaluation showed that 95% of teachers and 94.71% of students rated the media as highly practical. The effectiveness test also demonstrated an increase in the mean score from 48.33 on the pretest to 86.42 on the posttest, with a significance value of 0.000 < 0.05. Therefore, KAPAS was proven to be valid, practical, and effective for teaching Science and Social Studies (IPAS) on the topic of force and motion. The media also contributed to improving fourth-grade students’ learning interest and academic achievement.]]>
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