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All Journal AMALIAH: JURNAL PENGABDIAN KEPADA MASYARAKAT Journal of Didactic Mathematics
Yusnita, Nora
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Education Mathematics

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PKM Pelatihan Numerasi Berdasarkan Ethnomatematika Di Jisda Yala Thailand Panjaitan, Dedy Juliandri; Kartolo, Rahmad; Sari, Dwi Novita; Darmiati, Darmiati; Yusnita, Nora
Amaliah: Jurnal Pengabdian Kepada Masyarakat Vol 7 No 2 (2023): Amaliah: Jurnal Pengabdian Kepada Masyarakat
Publisher : LPPI UMN AL WASHLIYAH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32696/ajpkm.v7i2.3972

Abstract

This community service activity was carried out at Jisda Yala Thailad. The learning process at Jisda Yala, Thailand has not been maximized in understanding ethnomathematics-based numeracy. This is because there is still little application of ethnomathematics-based numeracy. The biggest reason in this situation is the gap in understanding in solving ethnomathematics-based numeracy problems. The purpose of this service is that by training teachers to understand ethnomathematics-based numeracy, it is hoped that students at Jisda Yala, Thailand, will better understand ethnomathematics-based numeracy in the teaching and learning process. In the implementation of the program, the method of approach offered is a participatory approach. In the sense that the proposer team and partners are proactively involved in every activity. In addition, the solution approach used to solve the two main problems faced by partners is the implementation of inservice in the form of training and mentoring. The main target of the assistance is the understanding of numeracy based on ethnomathematics.
Mathematical multiple representation and mathematical problem-solving abilities of junior high school students employing an open-ended strategy Yusnita, Nora; Firmansyah, Firmansyah; Zahari, Cut Latifah; Destini, Rita
Journal of Didactic Mathematics Vol 6, No 3 (2025): December
Publisher : Mahesa Research Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34007/jdm.v6i3.2739

Abstract

This study investigates the effect of the open-ended learning strategy on students’ multiple mathematical representation and problem-solving abilities in junior high school mathematics. A quasi-experimental method employing a pretest–posttest control group design was implemented with two classes of eighth-grade students at SMP Negeri 28 Medan. The experimental group received open-ended learning, while the control group received direct instruction. Data were collected through tests of multiple mathematical representation and problem-solving ability, complemented by classroom observations. Quantitative data were analyzed using descriptive statistics, the Mann–Whitney U test, the independent samples t-test, and Spearman’s rank correlation.The results revealed that students taught using the open-ended learning strategy achieved higher posttest scores in both multiple representation and problem-solving abilities compared to those taught through direct instruction. A statistically significant difference was found in problem-solving ability (p = 0.001), while representational ability showed a positive but nonsignificant trend. Moreover, a significant positive correlation (r = 0.367, p = 0.003*) was found between students’ multiple representation and problem-solving abilities. These findings indicate that open-ended learning promotes higher-order thinking by enabling students to explore diverse solution strategies, construct meaning through multiple representations, and engage in reflective reasoning. The study highlights the pedagogical potential of open-ended learning as an effective approach to fostering conceptual understanding and creative mathematical thinking aligned with the goals of the Merdeka Curriculum.
Co-Authors Darmiati Darmiati Dedy Juliandri Panjaitan Firmansyah Firmansyah Kartolo, Rahmad Rita Destini Sari, Dwi Novita Zahari, Cut Latifah