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All Journal JPMI (Jurnal Pembelajaran Matematika Inovatif) Pi Radian Journal
Muthia, Shahla Naila
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Mathematics

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Meningkatkan kemampuan pemecahan masalah matematis siswa SMP kelas 7 melalui model problem based learning dalam materi rasio dan perbandingan Muthia, Shahla Naila; Sugandi, Asep Ikin; Setiawan, Wahyu
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol. 7 No. 3 (2024): Mei
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v7i3.23532

Abstract

The low ability of students to solve mathematical problems is the background of this research. The aim of this research is to determine the increase in mathematical problem solving abilities of students who learn through models Problem Based Learning. The method used is the design experimental method as if experimental with shape non-equivalent control group. The subjects used were class 7D students as the experimental group and class 7J students as the control group at SMP Negeri 33 Bandung. The data collection technique uses mathematical problem solving ability test instruments using ratio and comparison material. The mathematical problem solving ability test was given twice at a time pretest and posttest. Data processing and analysis using applications Microsoft Excel 2021 and software SPSS 26. The results of the research show that the mathematical problem solving abilities of students who learn through models increase Problem Based Learning better than normal learning.
Analysis of numeracy literacy ability of grade XII students in solving AKM questions on trigonometry Rahmawati, Andini; Farwati, Serlin; Muthia, Shahla Naila
Pi Radian: Journal of Mathematics Education Vol. 1 No. 1 (2023): Pi Radian Journal
Publisher : CV. Pustaka Literasi Ilmiah

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Abstract

The Indonesian government adopted a new policy for the education system to improve the quality of education. One of the policies implemented is the elimination of the National Examination, which is a tool for assessing student learning outcomes at the end of each level of education against national standards. The National Examination was replaced with a Minimum Competency Assessment (AKM) and Character Survey. AKM focuses on students' abilities in reading and writing or known as literacy and numeracy. Numeracy literacy includes understanding mathematical concepts and the ability to apply these concepts in everyday life. Trigonometry material. This is an important topic in mathematics that involves the relationship between angles and side lengths of a triangle. Therefore, this research was conducted to analyze the numeracy literacy skills of class The research method used is descriptive qualitative research. The research results showed that the numeracy literacy skills of students in the low category were 40%, in the medium category were 47%, and in the high category were 13%.
Mathematical ideas embedded in water debit practices of sand sellers in Ciseupan: An ethnomathematics study Muthia, Shahla Naila; Maulani, Indria
Pi Radian: Journal of Mathematics Education Vol. 3 No. 1 (2025): Pi Radian Journal
Publisher : CV. Pustaka Literasi Ilmiah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63214/piradian.v3i1.pp51-60

Abstract

Indonesia is a country rich in local cultural practices that not only reflect traditional values but also hold great potential for the development of contextual learning based on local wisdom. One such form of wisdom is reflected in the economic activities of the community of Kampung Ciseupan, South Cimahi, in the form of sand sales practices that have been passed down from generation to generation and contain various mathematical concepts that have not been widely explored. This study aims to explore the mathematical concepts embedded in these cultural practices, particularly the concept of flow rate that emerges in sand loading and unloading activities. The approach used is ethnography, in line with the principles of ethnomathematics, which examines mathematical practices from the perspective of the cultural practitioners themselves. Data was collected through field observations and semi-structured interviews with the main participant, Mrs. LM, a sand seller. The researcher served as the primary instrument in observing, exploring, and analyzing the connection between cultural activities and mathematical concepts. The research findings indicate that sand selling activities contain concepts of debit, volume, distance, speed, and time that are implicitly present in community practices. These findings suggest that local culture can serve as an authentic, contextual, and relevant source of mathematical learning for students' daily lives, and can encourage students to understand and appreciate their own culture.  
Co-Authors Asep Ikin Sugandi Farwati, Serlin Maulani, Indria Rahmawati, Andini Wahyu Setiawan