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Asrar Aspia Manurung
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Indonesian Journal of Education and Mathematical Science
Published by Universitas Muhammadiyah Sumatera Utara
ISSN : -     EISSN : 2715985X     DOI : https://doi.org/10.30596/ijems
Core Subject : Science, Education,
Computer Science & IT Education Languange, Linguistic, Communication & Media Library & Information Science Mathematics
Indonesian Journal of Education and Mathematic Sains I(JEMS) is a Journal that contains Information on Education and Science. This journal is managed by Muhammadiyah University of North Sumatra (UMSU). This journal is an online journal using OJS system (Open Journal System) which has e-issn from PDII-LIPI. This journal is published 3 times a year ie: Januari - Mei - September
Arjuna Subject : Umum - Umum
Articles 151 Documents
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Full Paper Vol 6 No. 2 2025 Manurung, Asrar Aspia
Indonesian Journal of Education and Mathematical Science Vol 6, No 2 (2025)
Publisher : Universitas Muhammadiyah Sumatera Utara (UMSU)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/ijems.v6i2.24603

Abstract

This is full paper of vol 6 no 2 2025
Integrating Educational Games in Problem-Based Learning to Enhance Conceptual Understanding in Mathematics: A Study of Grade VII Students at MTsN 1 Pekanbaru Devi, Sahra; Widiati, Indah
Indonesian Journal of Education and Mathematical Science Vol 6, No 3 (2025)
Publisher : Universitas Muhammadiyah Sumatera Utara (UMSU)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/ijems.v6i3.26049

Abstract

This research aims to describe the application of educational games with the Problem Based Learning (PBL) model in the learning process which is aimed at improving students' understanding of mathematical concepts in class VII MTsN 1 Pekanbaru. The basic thinking in this research starts from of mathematical concepts is limited as shown through daily test results data in class VII.5, where only 48.65% of students achieved Essential Graduation Criteria during the learning activities of  87. Research is a The implementation of Classroom Action Research (CAR) took place over two cycles, each of which involved four main steps: preparation, action, observation, and reflection.The research instruments included teacher and student observation sheets and a mathematical concept understanding test. The PBL model was combined with educational game media in the form of traditional games such as snakes and ladders and setatak. A clear improvement is seen inincrease in students' mathematical concept understanding. In cycle I, the percentage of student understanding was in the "good" category with the average achievement obtained reached 79.05%, as for the implementation of the second cycle it increased to 89.05% and entered the "very good" category. Thus, the implementation of educational games based on the PBL model is effective in improving students' mathematical concept understanding.
The Influence of the Use of VR-Based Learning Media on Learning Outcomes and Learning Motivation of Students in Science Learning for Class IV SDN Sadeng 03 Aziz, Nur; Astuti, Tri; Handayani, Nova Dwi; Widyasepti, Rebecca Amellya; Bright, Fatimah Nurussyifa Clever; Nadila, Kania Yosa
Indonesian Journal of Education and Mathematical Science Vol 6, No 3 (2025)
Publisher : Universitas Muhammadiyah Sumatera Utara (UMSU)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/ijems.v6i3.24491

Abstract

This study aims to determine the effect of using Virtual Reality (VR) media on students' understanding and motivation to learn in learning Natural and Social Sciences (IPAS). The study was conducted with a quantitative approach using the ex post facto method, where researchers did not provide direct treatment, but analyzed data based on events that had occurred. The research subjects consisted of 16 students, with data collected through observation and questionnaires. The results of the analysis showed that 75% of students felt the benefits of using VR media in understanding IPAS material, while the other 25% showed doubts. In addition, the increase in IPAS scores that exceeded the Learning Objective Completion Criteria (KKTP) was also an indicator of the positive influence of VR media. In terms of learning motivation, 87.5% of students felt more motivated to use VR media, while the other 12.5% were doubtful. These findings indicate that VR media contributes to improving the quality of IPAS learning, both from the cognitive and affective aspects of students.
The Digital Divide in Post-Pandemic Education: Perceptions of Urban and Rural EFL Teachers in Indonesia Sood, Muhammad; Nizarrahmadi, Nizarrahmadi; Yassin, Muhammad; Septiana, Dita
Indonesian Journal of Education and Mathematical Science Vol 6, No 3 (2025)
Publisher : Universitas Muhammadiyah Sumatera Utara (UMSU)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/ijems.v6i3.26441

Abstract

The COVID-19 pandemic acted as an unprecedented catalyst, forcing a global transition to online education and exposing deep-seated infrastructural and pedagogical vulnerabilities. This study investigates the lasting perceptions of this shift among English as a Foreign Language (EFL) teachers in Indonesia, focusing on the persistent challenge of the urban-rural digital divide. Employing a qualitative case study approach, this research explores the experiences of four junior high school English teachers in Pontianak Regency—two from urban and two from rural schools. Data were gathered through semi-structured interviews and document analysis. The findings reveal a significant dichotomy in teacher perceptions shaped by geographical location. Urban teachers, while initially optimistic, developed negative perceptions due to pedagogical frustrations and declining student engagement. In contrast, rural teachers held overwhelmingly negative perceptions from the start, citing insurmountable barriers related to internet access, device availability, and lack of digital literacy. The study concludes that the emergency remote teaching experience has solidified teacher perceptions that a one-size-fits-all approach to educational technology is untenable in a diverse landscape like Indonesia, highlighting an urgent need for context-aware policies and equitable infrastructure development in the post-pandemic era.
Knowledge Authority and Power Relations in Digital Non-Formal Education: A Foucaultian Perspective on Alternative Learning Spaces Wicaksono, Ridlo Febi; Karsidi, Ravik
Indonesian Journal of Education and Mathematical Science Vol 6, No 3 (2025)
Publisher : Universitas Muhammadiyah Sumatera Utara (UMSU)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/ijems.v6i3.25662

Abstract

This study examines how digital non-formal education platforms shape knowledge authority and power relations in the Indonesian context. Qualitative case studies of educational YouTube, national online courses, and global platforms have been conducted using content observation, documentation, and critical discourse analysis based on Foucault's theory. The results of the study show that the legitimacy of knowledge shifts from academic authority to popularity metrics and algorithmic logic. Algorithms, gamification, and certification schemes function as disciplinary mechanisms that guide learning behavior while recording user data. Learning subjects are constructed as independent and productive individuals, but also as consumers and data commodities. The conclusion of the study confirms that claims of inclusivity in digital education are partial because inequality of access and digital literacy continue to create new exclusions, while knowledge is spread fragmentarily outside the formal curriculum.
The Influence of Teachers’ Communication Skills and the Learning Environment on Learning Motivation Manongko, Allen Ch.; Momongan, Jeremy F.; Rattu, Febriani M.L.
Indonesian Journal of Education and Mathematical Science Vol 6, No 3 (2025)
Publisher : Universitas Muhammadiyah Sumatera Utara (UMSU)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/ijems.v6i3.26544

Abstract

This study aims to analyze the influence of teachers’ communication skills and the learning environment on students’ learning motivation at SMK Swasta Poopo Bolmong. The research employed a quantitative approach with an ex post facto design, where the researcher did not provide direct treatment but examined the relationships among variables based on existing data. The sample was determined through proportional random sampling, and the research instrument was a Likert-scale questionnaire covering three main variables: teachers’ communication skills, learning environment, and students’ learning motivation. The results indicate that teachers’ communication skills have a positive impact on students’ learning motivation. Teachers who are able to deliver material clearly, coherently, and engagingly can enhance students’ attention and interest in the learning process. Furthermore, a supportive learning environment, both physically and psychologically, plays an important role in encouraging students to be more enthusiastic and motivated in their studies. Simultaneously, teachers’ communication skills and the learning environment complement each other in shaping students’ learning motivation. This finding is consistent with learning motivation theory, which emphasizes that internal and external factors must interact synergistically for students to achieve optimal learning outcomes. The practical implication of this study is the need to improve teachers’ communication skills and to develop a supportive learning environment so that students’ learning motivation can grow sustainably.
Analysis of Classroom Management Skills of Prospective Vocational Teachers during Teaching Practice in DKI Jakarta Pamungkas, Brahmansyah Rajif; Iriani, Tuti; Ramadhan, M. Agphin
Indonesian Journal of Education and Mathematical Science Vol 6, No 3 (2025)
Publisher : Universitas Muhammadiyah Sumatera Utara (UMSU)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/ijems.v6i3.26177

Abstract

This study examined the classroom management skills of prospective vocational teachers in the Building Construction Expretise Program during teaching practice in DKI Jakarta. Participants were 17 prospective teachers and 286 students, selected through purposive sampling. The study used a mixed-methods sequential explanatory design, combining quantitative data from a Likert-scale questionnaire and qualitative data from classroom observations. The prospective vocational teachers showed strong skills in creating a positive classroom environment (76.2%) and preventing problems (72.0%). However, they had dificulties in managing existing problems (53.4%) and in building effective classroom systems (46.0%). Weak areas included enthusiasm for teaching, giving praise and criticism, giving rewards and punishments, coaching, managing mobile phone, classroom design, motivating students, and building relationships. These findings indicate that prospective vocational teachers need more training and examples to improve their classroom management skills.
The Effect of the Use of the Jarimatika Method on the Learning Outcomes of Multiplication of Grade III Elementary School Students Nisa', Nofia Khairun; Rahmawti, Arum Dwi; Utami, Novia Rahma Rista
Indonesian Journal of Education and Mathematical Science Vol 6, No 3 (2025)
Publisher : Universitas Muhammadiyah Sumatera Utara (UMSU)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/ijems.v6i3.25882

Abstract

Multiplication is one of the challenges that is quite difficult for elementary school students because it requires the ability to understand concepts and memorize. Students have been introduced to the concept of basic multiplication in grade III. But in practice, children still have trouble remembering simple multiplications. The purpose of this study is to find out whether the multiplication learning outcomes of third grade elementary school students are influenced by the Jarimatika approach. This study uses a quantitative approach with a Posttest-only control design  and a quasi-experimental design. Two groups participated in this study: the experimental group, which will apply the Jarimatika method to third-grade children at SDN Dawu 2, and the control group, which will not apply the Jarimatika method to third-grade students at SDN Wonokerto 1.  Multiple-choice posttest is the data collection method used in this study. Test instrument testing, prerequisite testing, and hypothesis testing are the data analysis methods used. The calculation of the Independent Sample t-Test yielded a significance value of 0.05, or 0.002, based on the data. Further, tcount ttable was also found, which was 3.465 2.048, indicating that H0 was rejected and H1 was accepted. Thus, it can be said that the learning outcomes of third-grade children are influenced by the Jarimatika technique.
Application of Fuzzy Time Series Chen and Cheng Methods to Forecast Profit in a State-Owned Insurance Company Fajrin, Dirani Amaris; Yurinanda, Sherli; Sarmada, Sarmada
Indonesian Journal of Education and Mathematical Science Vol 6, No 3 (2025)
Publisher : Universitas Muhammadiyah Sumatera Utara (UMSU)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/ijems.v6i3.26750

Abstract

PT. Taspen (Persero) as a state-owned enterprise in the services sector needs to analyze financial performance to understand the fluctuations in quarterly profit in 2022. This study uses the Fuzzy Time Series (FTS) forecasting method with two approaches, namely Fuzzy Time Series Chen and Fuzz Time Series Cheng, to predict profit and dividend prospects. The analysis stage of Chen's Fuzzy Time Series method includes determining the set of the universe (U), forming intervals, defining fuzzy sets, determining the membership value of each data, fuzzification of data, formation of Fuzzy Logic Relationships (FLR) and Fuzzy Logic Relationship Groups (FLRG), forecasting and defuzzification. Meanwhile, Cheng's Fuzzy Times Series method has similar stages but is equipped with FLRG weighting into the W matrix and standardization of the W matrix*. The results of the calculation of forecasting accuracy through MAPE, MSE, and MAE show that Cheng's Fuzzy Time Series method is more accurate than Chen's Fuzzy Time Series, with a smaller error value. This confirms that Cheng's Fuzzy Times Series method is more reliable in projecting PT. Taspen (Persero). 
Full Paper Vol 6 No 3 2025 Manurung, Asrar Aspia
Indonesian Journal of Education and Mathematical Science Vol 6, No 3 (2025)
Publisher : Universitas Muhammadiyah Sumatera Utara (UMSU)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/ijems.v6i3.26846

Abstract

Full Paper Vol 6 No 3 2025

Page 15 of 16 | Total Record : 151

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