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Math Educa Journal
Published by Universitas Islam Negeri Imam Bonjol Padang
ISSN : 25982133     EISSN : 25806726     DOI : -
Core Subject : Education,
Mathematics
Math Educa Journal diterbitkan oleh Program Studi Tadris Matematika Fakultas Tarbiyah dan Keguruan UIN Imam Bonjol Padang sejak tahun 2017. Terbit dua kali setahun pada bulan April dan Oktober. Berisi tulisan yang diangkat dari hasil penelitian di bidang: Matematika dan Pendidikan matematika.
Arjuna Subject : -
Articles 152 Documents
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DEVELOPMENT OF ANDROID-BASED MATHEMATICS LEARNING MEDIA ASSISTED BY ISPRING SUITE 9 AND POWERPOINT TO IMPROVE PROBLEM SOLVING ABILITY Afidatuzzaro, Nurul; Nirmala, Hidayatul Livia; Fa'ani, Arini Mayan; Putri, Inge Septianing
Math Educa Journal Vol 8, No 2 (2024)
Publisher : UIN Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15548/mej.v8i2.9456

Abstract

Development of digital-era force teaching and learning situation to have a technology innovation, also in teaching and learning mathematics. Mathematics include an abstract object, so it needs to innovate learning media and learning model to connect from an abstract object to concrete or contextual object so that students can easily understand mathematics. The fact that students’ problem solving skills is still low can be reduced by using appropriate media learning that suitable with students’ characteristics and technology development. This research aims to develop Android-based mathematics learning media with a contextual approach to material on systems of linear equations in two variables (SPLDV) that is valid and practical, and effective in improving students' problem solving abilities. The method used in this research is the ADDIE method (Analyze, Design, Development, Implementation and Evaluation). This research produced a product in the form of Android-based mathematics learning media called MO SPLDV which was categorized as valid with a percentage of 78.378% and the practicality level of the product was obtained in the very practical category with a percentage of 90.42%. This product is effective in improving students' problem solving abilities based on the results of the N-Gain calculation which shows g = 0.5 which is classified as medium.
MATHEMATICAL REPRESENTATION TRANSLATIONS OF JUNIOR HIGH SCHOOL STUDENTS ON QUADRATIC FUNCTION GRAPH MATERIAL Alyani, Nabila Nur; Subanji, Subanji
Math Educa Journal Vol 8, No 2 (2024)
Publisher : UIN Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15548/mej.v8i2.9814

Abstract

Mathematical representation translation plays an important role in the learning process, as it connects different forms of representation. This study aims to describe the translation of mathematical representations by students, specifically translating verbal representations into graphs, in solving contextual problems related to quadratic function graphs. The choice of this topic is based on the common difficulties students face in drawing graphs and understanding related problems. The subjects of this study were six ninth-grade students from MTsN 1 Kota Malang, grouped into three categories based on their mathematical proficiency: high, medium, and low. This research uses a qualitative approach, with tests and interviews as data collection instruments. The subjects were selected using purposive sampling. Data analysis was conducted through data triangulation involving data reduction, presentation, and conclusion drawing. The results show that, in the Unpacking the Source stage, students with high and medium proficiency were more accurate in graphing than students with low proficiency. At the Preliminary Coordination stage, high and medium proficiency students were able to perform calculations to determine the function formula, while low proficiency students struggled to identify the appropriate steps. At the Constructing the Target stage, high and medium proficiency students were able to plot the graph correctly according to the obtained coordinates, while low proficiency students had difficulty placing the coordinates. This study indicates that the translation of representations is closely related to students' conceptual understanding and problem-solving abilities.

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