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Analisis Kesulitan Guru Matematika SMP Negeri 1 Lendah dalam Menerapkan Pembelajaran Online pada Masa Pandemi Covid-19 Ugi Amri Ma'rufi; Irham.taufiq; Esti Harini
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 10 No 1 (2022)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v10i1.12147

This research is descriptive qualitative research. The purpose of this study is to find out what difficulties are experienced by junior high school mathematics teachers in implementing online learning and solutions that can be applied to reduce these difficulties. This research was conducted at SMP Negeri 1 Lendah. The data sources are 4 mathematics teachers of SMP Negeri 1 Lendah. Data was collected by means of observation, interviews, and documentation. The results showed that the difficulties of mathematics teachers in implementing online learning during the COVID-19 pandemic were the lack of understanding of IT, low student activity, insufficient cellphone ownership and unsupportive signals. In addition, solutions that can be done to reduce these difficulties include increasing teacher insight in the IT field, limited face-to-face learning and collaboration of all school members, teachers and students. Suggestions from this research are teachers must improve IT skills, schools must cooperate with parents, students must increase activeness in learning and researchers can use this research as a reference in research related to the effectiveness of online learning.

Minat Belajar Peserta Didik Terhadap Pembelajaran Matematika Secara Daring Esti Harini; Yohanes Sugeng Riyono; Annis Deshinta Ayuningtyas; Sai Hoe Fu
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 11 No 1 (2023)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v11i1.14151

This study aims to determine (1) The extent of the tendency of students' interest in learning mathematics online. (2) To what extent the tendency of students' interest in learning mathematics towards the use of Zoom Meeting and Google Classroom. This research is a descriptive research with a qualitative approach. The research was conducted at SMP Kanisius Sumber Dukun with a sample of 30 students selected using Purposive Sampling technique. Data collection techniques using observation, interviews, questionnaires, and documentation. The research instruments used were interview guidelines and interest questionnaires. While data analysis techniques using data triangulation include data reduction, data presentation and conclusion drawing. The results of this study indicate that (1) The tendency of students' interest in learning mathematics online is included in the high category with a percentage of 72.01%. (2) The tendency of students' interest in learning mathematics whose learning uses Zoom Meeting is included in the very high category with a percentage of 77.42%, while the learning interest of students whose learning uses Google Classroom is included in the very low category with a percentage of 22.58%. This means that the tendency of mathematics learning interest of Kanisius Sumber Junior High School students towards the use of Zoom Meeting is higher than Google Classroom.

A Preliminary Study: Why Develop High Order Thinking Skills Worksheets Based on the 3N Fitria Sulistyowati; Esti Harini
Jurnal Pendidikan Matematika IKIP Veteran Semarang Vol 5 No 1 (2021): Journal of Medives : Journal of Mathematics Education IKIP Veteran Semarang
Publisher : Urogram Studi Pendidikan Matematika, Universitas IVET

This qualitative research is a preliminary study of a 4-D model development research that aims to describe the basic problems, student characteristics, the formulation of learning outcomes, and specific learning goals as the initial stage of developing a high order thinking skills (HOTS) exercise bank based on 3N in Algebra. Research subjects at the analysis stage of student characteristics are all students taking Algebra courses in Mathematics Education Department Universitas Sarjanawiyata Tamansiswa for the 2019/2020 academic year. Data were collected using a literature study, observation, documentation. The data obtained were analyzed descriptively with the following steps: (1) preparing the data, (2) data coding, (3) searching for findings, (4) constructing the framework, and interpreting the data. The results of this study are: (1) Algebra learning centered on lecturers and students has difficulty solving non-routine problems, (2) there are only 1.59% of students who implemented to check the correctness of solutions in solving HOTS problems, (3) CPMK Algebra, and (4) formulation of specific learning goals. These results are used as a reference in the design stage of exercise bank development. Keywords: high order thinking, exercise bank, problem-solving.

Students’ reasoning patterns in solving statistical data problems at the junior high school level: An APOS perspective Betty Kusumaningrum; Muhammad Irfan; Yova Ayu Puspita; Esti Harini; Elyas Djufri; Luc Bergman
Jurnal Elemen Vol 12 No 1 (2026): January
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/jel.v12i1.30955

Many students face challenges in reasoning through statistical data problems; however, little is known about how their thinking processes develop through different cognitive stages. A qualitative descriptive design was employed to explore students’ reasoning patterns in solving statistical data problems through the lens of Action, Process, Object, and Schema (APOS) theory. This study was conducted with seventh-grade students at a public junior high school in Kulon Progo, Indonesia. Data were collected through written tests and semi-structured interviews and were analyzed using coding techniques aligned with the APOS indicators. The results show that students with correct answers demonstrated conceptual reasoning and progressed through all APOS stages, whereas those with incorrect answers showed fragmented understanding and failed to complete the cognitive sequence. This study contributes to mathematics education by extending the APOS theory to statistical data representation at the secondary level.

The effectiveness of advocacy sosiograph-based flipped classroom on students’ mathematical literacy in terms of self-regulated learning Zainnur Wijayanto; Betty Kusumaningrum; Septin Atikarini; Indira Early; Esti Harini
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 14 No 1 (2026)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v14i1.22681

Mathematical literacy is an essential competency in 21st-century education; however, many students still experience difficulties in solving contextual mathematical problems due to passive and teacher-centered learning practices. This study aimed to investigate the effectiveness of the Advocacy Sociograph-Based Flipped Classroom model on students’ mathematical literacy in terms of Self-Regulated Learning (SRL). The study employed a quantitative approach using a quasi-experimental design with a nonequivalent control group design. The participants were eighth-grade students of SMP Muhammadiyah 1 Seyegan, consisting of 32 students in the experimental class and 28 students in the control class selected through cluster random sampling. Data were collected using mathematical literacy tests and SRL questionnaires and analyzed using a two-way ANOVA. The findings revealed that students taught using the Advocacy Sociograph-Based Flipped Classroom model achieved higher mathematical literacy scores than those taught using the conventional Flipped Classroom model. In addition, Self-Regulated Learning significantly influenced students’ mathematical literacy, and there was a significant interaction between the learning model and SRL. These findings indicate that integrating flipped learning, advocacy-based discussion, and sociograph-oriented group interaction can create a more effective and collaborative mathematics learning environment. Therefore, the proposed learning model may serve as an alternative instructional strategy for improving students’ mathematical literacy and independent learning skills.

Learners' interest in online learning of mathematics Esti Harini; Yohanes Sugeng Riyono; Annis Deshinta Ayuningtyas; Sai Hoe Fu
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 11 No 1 (2023)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v11i1.14151

This study aims to determine (1) The extent of the tendency of students' interest in learning mathematics online. (2) To what extent the tendency of students' interest in learning mathematics towards the use of Zoom Meeting and Google Classroom. This research is a descriptive research with a qualitative approach. The research was conducted at SMP Kanisius Sumber Dukun with a sample of 30 students selected using Purposive Sampling technique. Data collection techniques using observation, interviews, questionnaires, and documentation. The research instruments used were interview guidelines and interest questionnaires. While data analysis techniques using data triangulation include data reduction, data presentation and conclusion drawing. The results of this study indicate that (1) The tendency of students' interest in learning mathematics online is included in the high category with a percentage of 72.01%. (2) The tendency of students' interest in learning mathematics whose learning uses Zoom Meeting is included in the very high category with a percentage of 77.42%, while the learning interest of students whose learning uses Google Classroom is included in the very low category with a percentage of 22.58%. This means that the tendency of mathematics learning interest of Kanisius Sumber Junior High School students towards the use of Zoom Meeting is higher than Google Classroom.

The effect of using the educational game Quizizz on student motivation and math learning in grade 8 Dimas Ananda Nikola; Esti Harini; Irham Taufiq
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 12 No 3 (2024)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v12i3.17763

The integration of technology in education has introduced innovative tools to enhance learning experiences, including the use of educational games. This study examines the impact of the educational game Quizizz on the motivation and mathematics performance of eighth-grade students. The research utilized a quasi-experimental design with a Non-Equivalent Control Group Design. The sample was selected using cluster random sampling, consisting of 25 students from class VIII B as the control group and 25 students from class VIII C as the experimental group. Data were collected through questionnaires and mathematics tests. The analysis employed an Independent Sample t-Test to evaluate the effect of Quizizz on student motivation and a Mann-Whitney test to assess its impact on mathematics learning outcomes. The results revealed a significant positive effect of Quizizz on motivation, with a p-value of 0.042 (p < 0.05). Similarly, Quizizz significantly improved mathematics learning outcomes, as indicated by the Mann-Whitney test (p = 0.047). These findings suggest that Quizizz is an effective interactive learning tool that enhances both student motivation and academic achievement in mathematics. Thus, incorporating Quizizz into classroom activities can be a strategic approach to fostering student engagement and improving learning outcomes in mathematics.

Influence of teams games tournament learning model based on Flippity media on junior high school students interests in mathematics learning Sisty Annisa Rizky; Agustina Sri Purnami; Esti Harini
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 12 No 3 (2024)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v12i3.17764

In the context of improving student engagement and interest in mathematics, innovative teaching methods are essential. This study aims to examine: (1) students' interest in learning mathematics using a conventional teaching model, (2) students' interest in learning mathematics using a Flippity-based Teams Games Tournament (TGT) model, and (3) the effect of the Flippity-based TGT model on students' interest in learning mathematics. The research employs an experimental design with a quasi-experimental approach using a nonequivalent control group design. The population consists of eighth-grade students at SMP Muhammadiyah 4 Yogyakarta, and cluster random sampling was used to select the sample. Data were collected through observation, questionnaires, and documentation. Data analysis was conducted using a t-test. The results indicated that students' interest in mathematics with the conventional model had an average score of 68.04, categorized as average, while the TGT-based Flippity model showed an average score of 72.72, categorized as good. The hypothesis test revealed a significant effect of the Flippity-based TGT model on students' interest in learning mathematics, with a p-value of 0.036 (p < 0.05). Based on these findings, it is recommended that mathematics teachers consider implementing the TGT model with Flippity media, as this combination positively impacts students' interest in mathematics learning.

Machine learning integrated virtual and augmented reality in education: A systematic literature review and bibliometric analysis (2015–2025) Denik Agustito; Esti Harini; Trisniawati Trisniawati; Eka Yulia Sari; Mohamad Basri Nadzeri; Krida Singgih Kuncoro; Betty Kusumaningrum; Dhimas Nur Setyawan
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 13 No 3 (2025)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v13i3.21319

The integration of machine learning (ML) with immersive technologies—Virtual Reality (VR), Augmented Reality (AR), Mixed Reality (MR), and Extended Reality (XR)—has generated significant momentum in educational innovation over the past decade. ML-enhanced immersive environments now support adaptive feedback, multimodal sensing, pose estimation, automated performance evaluation, and real-time learning analytics, offering new pathways for personalized and experiential learning. Despite rapid growth, existing research remains fragmented across domains such as engineering, health, arts, and language education, with limited synthesis explaining how these studies connect, evolve, and shape the knowledge structure of ML–VR/AR research. To address this gap, this study conducted a combined Systematic Literature Review (SLR) and bibliometric analysis of Scopus-indexed publications from 2015 to 2025. Eligibility assessment resulted in 58 studies included in the final analysis. Bibliometric findings show consistent growth in ML–VR/AR educational research, with publications spread across diverse journals and domains. This review offers a comprehensive mapping of scientific influence, thematic structure, and developmental trajectories in ML–VR/AR educational research. Findings provide a foundation for advancing adaptive immersive learning models, strengthening theoretical integration, and guiding future ML-driven XR innovations across educational contexts.

A Systematic Literature Review of the Mathematics Classroom Transformation During the Pandemic: Post‑Pandemic Reflections Esti Harini; Krida Singgih Kuncoro; Hidayati Hidayati; Rani Puspita
Journal of Mathematics and Mathematics Education Vol 14, No 2 (2024): Journal of Mathematics and Mathematics Education (JMME)
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jmme.v14i2.67611

The Covid-19 pandemic has affected almost all aspects of human life. One of the sectors that has been greatly affected by this pandemic is the education sector. The process of requesting material in mathematics learning which was previously carried out directly (direct communication), switches to learning using dare media (online learning). This study aims to determine the effectiveness of daring learning as a reflection to be used when deciding to switch back to face-to-face education. A Systematic Literature Review (SLR) was conducted to gain information for a better understanding of our topic. SLR is done through two search engines, namely Scopus and Eric. In reporting this study, PRISMA guidelines were followed. We identified and screened 279 articles published between 2019 and 2022 on Scopus and ERIC. After removing duplication and irrelevant topics, there were still 30 articles based on inclusion and exclusion criteria. In conclusion, online learning cannot completely replace face-to-face learning, but online learning can be used as an alternative so that the learning process can continue during the Covid-19 pandemic.

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