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All Journal AlphaMath: Journal of Mathematics Education Mandalika Mathematics and Educations Journal
Nourma Pramestie Wulandari
University of Mataram
Mathematics

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Logic and Sets Textbook Containing Ethnomathematics of Sasak Culture: Validation and Design Sri Subarinah; Junaidi Junaidi; Tabita Wahyu Triutami; Nourma Pramestie Wulandari; Nilza Humaira Salsabila
AlphaMath : Journal of Mathematics Education Alphamath: Vol. 8, No. 2, November 2022
Publisher : Department of Mathematics Education, Universitas Muhammadiyah Purwokerto, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/alphamath.v8i2.13438

Abstract

Ethnomathematics in learning mathematics is a trend that needs to be developed, especially in learning that raises local culture. Mathematics and culture have a very close relationship so the development and application of mathematical concepts in the learning process must be based on situations of daily life or local culture. This study aims to develop logic and sets textbooks containing ethnomathematics of Sasak culture. This book is also oriented toward improving higher-order thinking skills. This research is a Research and Development (R&D) by following the ADDIE development model, namely analysis, design, development, implementation, and evaluation. The first year of this research has been carried out until the development phase, namely by developing textbook products according to the design and validating the textbook products. The results showed that the textbook met the 'Very Good' category in the validity test after being assessed by experts so the textbook was suitable to be used as a learning resource.
Bringing Local Wisdom into Mathematics: Developing a Culturally-Based Problem Posing Assessment Ni Made Intan Kertiyani; Ulfa Lu'luilmaknun; Tabita Wahyu Triutami; Nourma Pramestie Wulandari; Maria Evelin Totuloba
Mandalika Mathematics and Educations Journal Vol 7 No 4 (2025): Desember
Publisher : FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jm.v7i4.10510

Abstract

This study aims to develop a local culture-based problem-posing test on linear programming material for eleventh-grade high school students and determine the content validity of the developed test based on expert judgment. The study employed a Research and Development (R&D) approach using the Four-D (4D) model. The developed test was designed to measure students’ abilities in three types of problem-posing activities: pre-solution posing, within-solution posing, and post-solution posing, by integrating local cultural contexts such as economic and agricultural activities around the Sembalun area of Mount Rinjani. The validation was conducted by two mathematics education experts and one local culture expert. The results showed that the developed test achieved a high level of content validity with an average score of 3.75, categorized as very valid. Therefore, the local culture-based problem-posing test developed in this study is considered feasible and valid to be used in assessing students’ abilities to formulate, develop, and solve contextual mathematical problems.
Co-Authors Arjudin Arjudin Junaidi Junaidi Maria Evelin Totuloba Muhammad Turmuzi Nani Kurniati Ni Made Intan Kertiyani Nilza Humaira Salsabila Sri Subarinah Tabita Wahyu Triutami Ulfa Lu'luilmaknun