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All Journal Journal of Didactic Mathematics Hipotenusa: Journal of Mathematical Society
Sari, Dwi Maulida
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Education Mathematics

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A study of proportional reasoning: Tackling missing value and numerical comparison challenges Warli, Dwi; Suryadi, Didi; Fatimah, Siti; Suhendra, Suhendra; Wicaksono, Agung; Sari, Dwi Maulida; Raisatunnisa, Raisatunnisa
Journal of Didactic Mathematics Vol 6, No 1 (2025): April
Publisher : Mahesa Research Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34007/jdm.v6i1.2575

Abstract

This study aims to examine students’ proportional reasoning in solving multiplicative problems. Three seven-grade students from SMPIT Al-Fahmi Palu were purposively selected using judgment sampling. Data analysis was conducted in three stages: data reduction, data presentation, and conclusion drawing/verification. The analysis was based on Bexter and Junker’s theory of proportional reasoning, which consists of five stages: (1) qualitative, (2) early attempts at quantifying, (3) recognition of multiplicative relationships, (4) accommodating covariance and invariance, and (5) functional and scalar relationships. The results show that students with low ability (R1) solved problems by recording the first measurement and pairing it with the second measurement through addition, indicating the early attempts at quantifying stage. Students with moderate ability (R2) solved the problems by listing all possible combinations and summing them, indicating recognition of multiplicative relationships. Meanwhile, high-ability students (R3) solved the problems by multiplying the first and second measurements, indicating they were in the accommodating covariance and invariance stage of proportional reasoning.
How Prospective Mathematics Teachers Do Computational Thinking (CT) Task? : An Analysis Of CT Prior Knowledge Sari, Dwi Maulida; Suhendra; Elah Nurlaelah
Hipotenusa: Journal of Mathematical Society Vol. 6 No. 1 (2024): Hipotenusa: Journal of Mathematical Society
Publisher : Program Studi Tadris Matematika Universitas Islam Negeri (UIN) Salatiga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18326/hipotenusa.v6i1.1908

Abstract

The purpose of writing this article is to find out about the initial Computational Thinking ability of prospective mathematics teacher students. This is because the 21st century demands changes in human resources (HR) to be more superior and competitive. Excellent and competitive human resources require the ability of Computational Thinking (CT), because it can help a person develop critical, creative, and analytical thinking skills in solving complex problems, both in the context of computing and everyday life. Improving the quality of human resources cannot be separated from the implementation of education in preparing this requires an educator who has the capability to be able to provide good and effective learning. Students that are expected to become professional teachers in the field of mathematics education in the future must have good CT ability. So, the condition of prior CT ability of Tadris Mathematics Education students as mathematics teacher candidates needs to be investigated. The method used in this article is qualitative research with a descriptive approach, with the aim of describing the prior CT abilities of prospective mathematics teachers, namely Tadris Mathematics Education students. Based on the analysis of the answers and further interviews of students which are prospective mathematics teachers, it is concluded that the CT ability is still low and not good, especially in the indicators of pattern recognition, algorithms, abstraction and generalization. So it is necessary to develop a learning or approach that can improve the CT ability of prospective mathematics teachers.
Co-Authors Agung Wicaksono Didi Suryadi Elah Nurlaelah Raisatunnisa, Raisatunnisa Siti Fatimah Suhendra Suhendra Suhendra Warli, Dwi