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All Journal Wahana Didaktika Al-Jabar : Jurnal Pendidikan Matematika Gammath : Jurnal Ilmiah Program Studi Pendidikan Matematika ALGORITMA : Journal of Mathematics Education LINEAR: Journal of Mathematics Education Hipotenusa: Journal of Research Mathematics Education (HJRME) Smart Society: Community Service and Empowerment Journal Inovasi Matematika (Inomatika) CONSEN: Indonesian Journal of Community Services and Engagement Cartesian: Jurnal Pendidikan Matematika Jurnal Pendidikan Matematika Universitas Lampung Ruang Pengabdian: Jurnal Pengabdian kepada Masyarakat
Desrina Hardianti
Universitas Lampung
Religion Humanities Computer Science & IT Education Engineering Environmental Science Languange, Linguistic, Communication & Media Mathematics Physics Social Sciences Other

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Traditional House of Lampung Kedatun Keagungan: Ethnomathematics Exploration Noprisa Noprisa; Fitria Lestari; Desrina Hardianti; Dwi Desmayanasari; Suryatul Aini Asyhara; Deni Efendi; Dopy Rizko; Elsa Kurnia
Jurnal Inovasi Matematika Vol. 6 No. 1 (2024): Inovasi Matematika
Publisher : Pendidikan Matematika Universitas Muhammadiyah Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35438/inomatika.v6i1.417

Abstract

The purpose of this study is to explore Ethnomathematics of Geometry concepts in Kedatun Keagungan traditional house architecture. It is hoped that students will more easily explore understanding of mathematical abstractness through visual representations in familiar cultural forms. Learning mathematics by linking the surrounding culture so that learning is more meaningful for students. This research is a qualitative research with an ethnographic approach. Data collection techniques begin with observation, compiling and validating instruments, documentation studies and FGD. Data analysis technique uses the Spradley model. Based on the research results, it was found that Ethnomathematics in the Kedatun Keagungan traditional house has applied mathematical concepts both to the components of the house building and the ornaments inside which include: (1) the concept of geometry which consists of shapes, shapes and angles, (2) the concept of Geometry Transformations consisting of Symmetrical properties, Translation properties, Reflections, and Dilations. The results of this research can be used as a reference in developing teaching materials on Geometry material so that learning becomes more meaningful.
ANALYSIS OF INSTRUMENTS FOR ASSESSING THE MATHEMATICAL CRITICAL THINKING ABILITY ON THE PYTHAGOREAN THEOREM MATERIAL Afdella Zuniawati; Desta Nadia Putri; Anis; Shindi Purwaningtias; Sri Astuti Anggra Niwi Ningsih; Agung Putra Wijaya; Desrina Hardianti
Hipotenusa Journal of Research Mathematics Education (HJRME) Vol 9, No 1 (2026): HIPOTENUSA JOURNAL OF RESEARCH MATHEMATICS EDUCATION (HJRME)
Publisher : Universitas Muhammadiyah Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36269/hjrme.v9i1.4276

Abstract

Critical thinking skills are important to develop in students. This study was conducted to evaluate the quality of a test instrument in measuring the critical thinking skills of junior high school students on the Pythagorean Theorem material. The analysis was carried out through testing the validity, reliability, discriminating power, and difficulty level of the questions with the support of Microsoft Excel. The method used was descriptive quantitative with Grade VIII students selected through purposive sampling as research participants. The results of the study showed that the test instrument was 100% valid, had a reliability of 0.668 (moderate category), the discriminating power indicated questions 1 and 3 were in the fair category while question 2 was in the good category, and all questions had an easy level of difficulty.
Co-Authors Afdella Zuniawati Agung Putra Wijaya Alfusori, Wahyu Andika Eko Prasetiyo Anis Antonio, Joemar P Arnelis Djalil Asyhara, Suryana Aini B A Priatna Deni Efendi Deni Efendi Desta Nadia Putri Devita, Dela Dopy Rizko Dwi Desmayanasari Dwi Desmayanasari Elsa Kurnia Falamy, Ryna Aulia Fitra Utami, Lintang Fitria Lestari Fitria Lestari Lintang Fitra Utami Lintang Fitra Utami M. Coesamin M. Yogi Riyantama Isjoni Mella Triana Muhammad Riansyah N Priatna Noprisa, Noprisa Nurain Suryadinata Nurhidayati Nurhidayati Rahayu, Chika Rani Yosilia Retno Dumila Riansyah, Muhammad Rini Asnawati Shindi Purwaningtias Sri Astuti Anggra Niwi Ningsih Sri Hastuti Noer Sugeng Sutiarso Suryatul Aini Asyhara Suryatul Aini Asyhara Tia Agnesa Triyana Dara Ubaidillah, Muhammad Wahyu Alfurosi Wijaya, Agung Putra Yanuar Dwi Prastyo Zakiya, Hanifah