Developing a Realistic Learning Approach on Mobile-based Apps: An Ethnomathematics Tedhak Siten

Nuryadi Nuryadi; Nafida Hetty Marhaeni; Anik Soviyati

doi:10.31849/utamax.v4i1.9698

Nuryadi Nuryadi Universitas Mercu Buana Yogyakarta, Indonesia
Nafida Hetty Marhaeni Universitas Mercu Buana Yogyakarta, Indonesia
Anik Soviyati Universitas Mercu Buana Yogyakarta, Indonesia

DOI: https://doi.org/10.31849/utamax.v4i1.9698

Keywords: Critical thinking, Mobile learning, Tedhak Siten

Abstract

Realistic mathematics learning by utilizing culture as well as integrating technology can be used as an ideal starting point for learning. This study was intended to develop a mobile learning-based mathematics device with a realistic learning approach in the context of the Tedhak Siten ceremony to improve students' critical thinking skills. This type of research was development research that refers to the ADDIE model (Analysis, Design, Development, Implementation, Evaluation). The study used the mobile learning application, the pretest, and post-test questions, in accordance with the expert validation questionnaire, the media expert validation questionnaire (3 experts), and the student response questionnaire from 32 students. The results revealed that the validity aspect obtained a good category from the media and material expert validator. It obtained a good category from the media expert validators and material experts. It turned out that the media expert's score was 58 and the material expert's 192. Both scores were in a Good category, thus the application was declared valid to be used. Furthermore, the practical aspect of students as users obtained a total score of 2055 and was included in the good category. The effectiveness aspect obtained a significant increase in pretest to posttest scores. It was obtained that the increase in the results of the pretest to the results of the posttest was 24.46. Since there is an increase in testing, it can be concluded that the mobile learning developed is effectively used for learning mathematics. Based on the results, mobile learning has met all the product quality criteria, namely valid, practical, and effective. Therefore, mobile learning with a realistic approach to mathematics using the Tedhak Siten ceremony can improve students' critical thinking skills and can be used for learning.

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Author Biographies

Nuryadi Nuryadi, Universitas Mercu Buana Yogyakarta, Indonesia

Nuryadi is lecturer at Mathematics Education Study Program, Universitas Mercu Buana Yogyakarta, Indonesia and Doctoral Program Students at Mathematics Education, Universitas Negeri Semarang. He gained his bachelor program at Mathematics Education, Universitas Islam Negeri Sunan Kalijaga Yogyakarta, and master's program at Mathematics Education, Universitas Negeri Yogyakarta. He is an active editor and reviewer for several accredited national journals. His interests are covers research on mathematics education, technology education and ethnomathematics. Since 2020 he has being appointed as the Dean of the Faculty of Teacher Training and Education, Universitas Mercu Buana Yogyakarta.

Nafida Hetty Marhaeni, Universitas Mercu Buana Yogyakarta, Indonesia

Nafida Hetty Marhaeni is lecturer at Mathematics Education Study Program, Universitas Mercu Buana Yogyakarta, Indonesia since 2021 until present. She finished bachelor program at Mathematics Education, Universitas Mercu Buana Yogyakarta (2013-2017), and master's program at Mathematics Education, Universitas Ahmad Dahlan (2018-2020). Currently, she became a head of Multimedia Learning Mathematics Laboratory. She also active as an editor and reviewer in several accredited national journals and national journals. Her interests area covers R&D of learning media, such as the development of LKPD, module, learning applications, learning videos, etcs. She also interested in research on learning problem solving and tehnology of education.

Anik Soviyati, Universitas Mercu Buana Yogyakarta, Indonesia

Anik Soviyati is a students and a research assistance at Mathematics Education, Universitas Mercu Buana Yogyakarta, Indonesia. In 2018, she was a representative of Mercu Buana University Yogyakarta following the national olympics of mathematics and natural science in college level (ON-MIPA PT) in mathematics in Yogyakarta. Her interest areas include; research on ethnomathematical fields, the development of mathematics teaching materials, and the development of learning multimedia.

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