Abstract
This research aims to develop an ethnomathematics-based animation video on the Gentala Arasy building for second grade elementary school students and assess the level of suitability of the product by material, language and media experts. Development uses the ADDIE model. The validation results show an average score of 5 from material and language experts, and 4.4 from media experts, indicating a high level of validity. Teacher and student responses were also positive, with average scores of 5 and 4.8 respectively, indicating high practicality. From these results, it can be concluded that the ethnomathematics-based animation video on the Gentala Arasy building for second grade elementary school students is very valid and practical.
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