Development of Desmos Application Integrated Ethnomatematics on Geometry for Grade IV UPT SDN 101826 Tuntungan

Frida Marta Argareta  Simorangkir; Lolly Jean C.  Simbulas; Ferry Indra Sakti H.  Sinaga

doi:10.33578/

Authors

Frida Marta Argareta Simorangkir Unika Santo Thomas, Indonesia Author https://orcid.org/0000-0003-0408-411X (unauthenticated)
Lolly Jean C. Simbulas University of the Immaculate Conception, Philippines Author https://orcid.org/0000-0002-7483-5911 (unauthenticated)
Ferry Indra Sakti H. Sinaga State University of Medan, Indonesia Author https://orcid.org/0009-0004-0432-8844 (unauthenticated)

DOI:

https://doi.org/10.33578/

Keywords:

ADDIE, Desmos, Ethnomatematics, Geometry, Mathematics Literacy

Abstract

Ulos as one of the traditional fabrics of Batak Toba can be used as a learning resource, especially for geometry. Every motif and color on ulos has certain meanings and messages related to beliefs, myths, history, and Batak cultural values. Need help from Desmos to visualize the geometric concepts found in ulos. This research aims to develop a learning media using Desmos application integrated with Ethnomatematics-Ulos assisted by liveworksheets to enhance mathematical literacy. The research method used is Research and Development with ADDIE models. The research instrument uses a rating scale and essay test. The results of the development of material and language on geometry obtained a percentage of 93,69% with very valid feasibility category. The results of product validation by Practitioners as media experts got a very valid category with a percentage of eligibility of 91,91%. Then the results of the teacher evaluation got a very practical category with a percentage of 92,88%. For the N-Gain value is 0,80 > 0,7, it is in the “High” category, meaning that the learning media is very effective in improving students' mathematical literacy skills.

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