<![CDATA[This research aims to test the feasibility of the 3D Ethnomathematics model for the Dayak Tribe of Central Kalimantan as well as provide alternative learning media for students using Virtual Reality technology and create a 3D Ethnomathematics model based on Virtual Reality so that students get an in-depth and interesting learning experience to strengthen numeracy literacy. This research uses the Research and Development (RnD) method with the ADDIE (Analysis, Design, Development, Implementation, Evaluation) development model. This research was conducted using qualitative and quantitative solving approaches. A qualitative approach is used at the analysis stage, model development design stage, and assessment stage of product feasibility obtained from an open questionnaire in the form of input, responses, criticism, and suggestions. A quantitative approach is used in product feasibility assessment tests from media experts and material experts as well as testing the effectiveness of 3D models from students. Feasibility assessments by media experts and material experts were obtained from closed questionnaires. The effectiveness test was carried out through a pretest-posttest design in small groups, namely 5 elementary school students. Based on the research results, the results of the feasibility test by media experts and material experts showed that the 3D Ethnomathematics model of the Dayak Tribe of Central Kalimantan was in the feasible category with a percentage of 92% and 90%. The results of the effectiveness test carried out in small groups through pretestposttest increased from the pre-test average with a score of 64 to 84 during the post-test after using the 3D Ethnomathematics model. So, it can be concluded that the 3D Ethnomathematics model of the Dayak Tribe of Central Kalimantan is feasible and effective to use.]]>
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