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All Journal AKSIOMA: Jurnal Program Studi Pendidikan Matematika Al-Jabar : Jurnal Pendidikan Matematika Al Ishlah Jurnal Pendidikan Union: Jurnal Ilmiah Pendidikan Matematika Journal of Mathematics and Mathematics Education (JMME) Indonesian Journal of Science and Mathematics Education Formatif: Jurnal Ilmiah Pendidikan MIPA JTAM (Jurnal Teori dan Aplikasi Matematika) SCAFFOLDING: Jurnal Pendidikan Islam dan Multikulturalisme Mosharafa: Jurnal Pendidikan Matematika International Journal of Aviation Science and Engineering Journal of Community Service (JCOS) Journal of Educational Technology and Learning Creativity SIGMA DIDAKTIKA: Jurnal Pendidikan Matematika Jurnal Pendidikan MIPA Jurnal Pendidikan Progresif Journal on Mathematics Education
Hendriyanto, Agus
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Religion Aerospace Engineering Humanities Automotive Engineering Computer Science & IT Economics, Econometrics & Finance Education Electrical & Electronics Engineering Languange, Linguistic, Communication & Media Mathematics Mechanical Engineering Public Health Social Sciences Transportation Other

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WHAT ARE THE TYPE OF LEARNING MEDIA INNOVATION NEEDED TO SUPPORT DISTANCE LEARNING? Hendriyanto, Agus; Kusmayadi, Tri Atmojo; Fitriana, Laila
AKSIOMA: Jurnal Program Studi Pendidikan Matematika Vol 10, No 2 (2021)
Publisher : UNIVERSITAS MUHAMMADIYAH METRO

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (326.473 KB) | DOI: 10.24127/ajpm.v10i2.3600

Abstract

This exploratory qualitative article with an inductive approach aims to analyze the needs of students of the mathematics education study program at one of the leading universities in Surakarta City regarding learning media that can facilitate the implementation of distance learning during the Coronavirus pandemic. Data were obtained through distributing questionnaires using Google Form to 63 students who had taken the analytic geometry course at the beginning of the Coronavirus pandemic, interviews with 2 lecturers, and 3 students selected through snowball sampling technique. The results of the analysis showed that students need interactive audio-visual teaching materials that can be accessed easily without any internet network constraints. It is evidenced by the results of the survey which show that 70% of students need audio-video-based learning media. The results of this study become the basis for developing learning media that supports the implementation of distance learning
The effect of GeoGebra android on increasing mathematical understanding ability based on gender Rizki Dwi Siswanto; Dadan Dasari; Agus Hendriyanto; Lukman Hakim Muhaimin; Rahmat Kusharyadi; Sani Sahara
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.v11i1.14462

Abstract

This study aims to describe the increase of students' mathematical understanding ability in learning the two-variable linear equation system (SPLDV) and the two-variable linear inequality system (SPTLDV) with Android GeoGebra media reviewed by gender. This experimental quasi research is one group pretest postest design. The sample in this study was a class XI of 32 students with Purposive Random Sampling techniques. Data collection in this study uses an instrument for a mathematical understanding ability test in the form of a description. The results of the study can be concluded in the learning of Android GeoGebra, the mathematical understanding of male students is significantly different from the mathematical understanding of female students. It means that in learning the Android GeoGebra Improvement of the Mathematical Understanding Ability of Male Students is greater than female students. Thus it can be concluded that in the learning of Android GeoGebra, an increase in the mathematical understanding of male students is better than female students.
Enhancing Student Learning in Mathematics through Numbered Head Together: An Experimental Study Gigih Kridantari; Budi Usodo; Siswanto Siswanto; Lukman Hakim Muhaimin; Agus Hendriyanto
Formatif: Jurnal Ilmiah Pendidikan MIPA Vol 13, No 2 (2023): Formatif: Jurnal Ilmiah Pendidikan MIPA
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat Universitas Indraprasta PGRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30998/formatif.v13i2.17477

Abstract

Student problem-solving is fundamental in mathematics because, in problem-solving, students can explore the subject by applying the concepts to real-world problems. NHT is one of the learning models where students can work together to solve problems and an effective method to encourage students to become more involved and think critically. This study aims to determine the effect of the Numbered Heads Together learning model on problem-solving 101 students in class X SMA Negeri Punung in 2022/2023. The research method used is pseudo-experimental research because researchers want to know the effect of the NHT model on student problem-solving. Data analysis using Anava showed that the significance value <0.05. The anava results showed an effect of the learning model on students' problem-solving ability. After further testing, there is a difference in the average value of students subjected to NHT treatment higher than students subjected to TPS and conventional treatment. Based on the study results, the NHT model is more effective in improving students' problem-solving ability in class X SMA Negeri Punung in 2022/2023.
USING THE JIGSAW AND TAI MODELS TO ANALYZE A MATH LEARNING EXPERIMENT, REVIEW THE STUDENTS' ADVERSITY QUOTIENT Agus Hendriyanto; Sani Sahara; Lukman Hakim Muhaimin
SIGMA DIDAKTIKA: Jurnal Pendidikan Matematika Vol 7, No 1 (2019)
Publisher : SIGMA DIDAKTIKA: Jurnal Pendidikan Matematika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/sigmadidaktika.v7i1.51733

Abstract

Abstract: The goal of this study was to identify: (1) Significant differences in mathematics learning results between the jigsaw learning model and TAI. (2) Significant variations in kids' AQ levels and mathematical learning results (3) There is a relationship between students' AQ scores and the outcomes of mathematics learning. A quasi-experimental research design is used in this quantitative study type. 98 students from SMP Muhammadiyah 5 Surakarta in the seventh grade made up the research population. The first class was sampled using the jigsaw model, the second class was sampled using the TAI model, and the third class was sampled using the conventional model. Cluster random sampling was employed as the sampling method. ways for gathering data via tests, surveys, and documentation. Two-way analysis of variance with uneven cells is the analytical method employed. Using the study's findings and a 5% level of significance, the following was discovered: (1) Jigsaw, TAI, and conventional learning models all produce the have different in terms of learning outcomes for mathematics, however Jigsaw performs better than TAI and conventional; (2) There are variations in kids' AQ levels in terms of mathematics learning results. While students with AQ campers are superior to students with AQ quitters, students with AQ climbers are superior to students with AQ campers and quitters; (3) There is a relationship between AQ levels (climbers, campers, quitters) and learning models (Jigsaw, TAI, and traditional) on the outcomes of mathematics learning. Students who are AQ climbers in the jigsaw learning paradigm learn mathematics more effectively than students who are AQ quitters.Abstrak: Penelitian ini bertujuan untuk mengidentifikasi: (1) Perbedaan hasil belajar matematika yang dihasilkan dari penerapan model pembelajaran jigsaw dan TAI; (2) perbedaan hasil belajar matematika siswa antar kategori AQ; (3) interaksi antara penerapan model pembelajaran (jigsaw dan TAI) dengan AQ siswa terhadap hasil belajar matematika. Desain quasi-experimental digunakan dalam penelitian kuantitatif ini. Populasi penelitian merupakan siswa kelas 7 SMP Muhammadiyah 5 Surakarta yang berjumlah 98 siswa. Cluster random sampling digunakan sebagai metode pengambilan sampel. Kelas pertama dijadikan sampel untuk penerapan model jigsaw, kelas kedua dijadikan sampel untuk penerapan model TAI, dan kelas ketiga dijadikan sampel untuk penerapan model konvensional. Data dikumpulkan melalui teknik tes, survei, dan dokumentasi. Analisis varians dua arah dengan sel tak sama adalah jenis formula statistik yang digunakan. Dengan menggunakan tingkat signifikansi 5%, ditemukan hal-hal berikut: (1) model pembelajaran jigsaw, TAI, dan konvensional semuanya menghasilkan hasil yang berbeda dalam hal hasil belajar matematika, jigsaw berkinerja lebih baik daripada TAI dan konvensional; (2) Terdapat perbedaan hasil belajar matematika ditinjau dari variasi tingkat AQ. Sementara siswa dengan AQ camper lebih unggul daripada siswa dengan AQ quitter, siswa dengan AQ climber lebih unggul dari siswa dengan AQ campers dan quitter; (3) Ada interaksi antara model pembelajaran (Jigsaw, TAI, dan traditional) dan tingkat AQ (climbers, campers, quitters) terhadap hasil belajar matematika. Siswa dengan AQ climber dan menggunakan model jigsaw memiliki hasil belajar matematika lebih baik daripada siswa dengan AQ quitters.
Exploring Middle School Students' Challenges in Mathematical Literacy: A Study on AKM Problem-Solving Wahyuni, Astri; Muhaimin, Lukman Hakim; Hendriyanto, Agus; Tririnika, Yuliana
AL-ISHLAH: Jurnal Pendidikan Vol 16, No 3 (2024): AL-ISHLAH: JURNAL PENDIDIKAN
Publisher : STAI Hubbulwathan Duri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35445/alishlah.v16i3.5729

Abstract

Mathematical literacy is the ability to formulate, apply, and interpret everyday problems. The Minimum Competency Assessment (AKM) program in Indonesia is designed to evaluate these essential skills, similar to the PISA framework. Assessing mathematical literacy through the AKM ensures that students meet basic competency standards, helping to improve overall educational quality and better preparing students for global competition. This research reveals the characteristics of students' mathematical literacy when solving AKM problems. The study was conducted at a junior high school in Surakarta, Indonesia. The research stages included giving AKM problems, observing students' problem-solving processes through think-aloud methods, conducting interviews for confirmation, reducing data, coding data, analyzing data, and drawing conclusions. The data used included students' answers, observation sheets, and interview transcripts. When formulating problems, students often struggle to accurately understand the issues at hand. This leads to incomplete data during the problem-solving process, resulting in calculation errors or mistakes in applying formulas. These errors create a domino effect, leading to incorrect answers. Students' difficulties in formulating mathematical problems can potentially cause calculation errors and improper use of formulas, ultimately leading to incorrect solutions. This negatively impacts their conceptual understanding, learning motivation, and readiness to face educational challenges or enter the workforce. To address these difficulties, teachers can enhance students' conceptual understanding, promote critical thinking, implement problem-based learning, use visual aids, provide targeted support, and focus on developing mathematical literacy from an early age.
Analysis of the influence of the existence of national exams, school origin, and tutoring on mathematics motivation using decision tree Abadi, Ma'ulfi Kharis; Dasari, Dadan; Fatimah, Siti; Hendriyanto, Agus
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 13 No 1 (2025)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v13i1.18743

Abstract

Mathematics is essential as it forms the foundation for sciences applied in the real world. Students' success in learning mathematics is crucial and must be prioritized. To understand and excel in mathematics, diligent study is required. Students who study diligently are often motivated by external factors such as outcomes, targets, environment, and teachers. Enthusiasm serves as the driving force that fosters the desire to learn effectively. Thus, motivation is a critical and consistent factor that encourages students to study diligently, ultimately improving their mathematics learning outcomes. This study examines the influence of school origin, national exams (UN), and tutoring on students' motivation to learn mathematics. The research involves a preliminary study, data collection, and analysis using a decision tree with the help of the Orange application. The results indicate that high motivation levels are more common among students attending public schools and those influenced by the presence of national exams. The findings of this study should be utilized by the government to enhance students' learning motivation and significantly improve mathematics learning outcomes. The study suggests targeted actions, including equitable resource allocation, alternative evaluation systems, teacher training, and enhanced counseling services, to effectively boost students' learning motivation and improve the overall quality of education. This research contributes by providing empirical evidence on the factors influencing students' motivation to learn mathematics, offering insights that can inform policies and interventions aimed at fostering a more effective and engaging learning environment.
Transformation geometry in eleventh grade using digital manipulative batik activities Sahara, Sani; Dolk, Maarten; Hendriyanto, Agus; Kusmayadi, Tri Atmojo; Fitriana, Laila
Journal on Mathematics Education Vol. 15 No. 1 (2024): Journal on Mathematics Education
Publisher : Universitas Sriwijaya in collaboration with Indonesian Mathematical Society (IndoMS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22342/jme.v15i1.pp55-78

Abstract

Learning Transformation Geometry (TG) needs a more informal approach to concern situational problems. This study aims to develop actionable knowledge of TG in the form of design related to context and yet general enough to use digital manipulative activities in new situations. We propose such knowledge in the form of conjectured Local Instructional Theory (LIT) in the framework of design research methodological framework. The designed learning activities were based on Realistic Mathematics Education (RME) principles and used batik as the context and van Hiele’s mode of geometric thought. In addition, the CorelDraw software is used as a tool to transform batik-making activities into a digital manipulative environment. The design consists of a pre-assessment and four learning activities. The data were analyzed retrospectively in accordance with the HLT. The analysis of the data described above and the justification of the processes during the teaching experiment indicate a compelling trajectory for students learning transformation geometry for this specific context and the prospect for future studies.
The didactic phenomenon: Deciphering students’ learning obstacles in set theory Hendriyanto, Agus; Suryadi, Didi; Juandi, Dadang; Dahlan, Jarnawi Afgani; Hidayat, Riyan; Wardat, Yousef; Sahara, Sani; Muhaimin, Lukman Hakim
Journal on Mathematics Education Vol. 15 No. 2 (2024): Journal on Mathematics Education
Publisher : Universitas Sriwijaya in collaboration with Indonesian Mathematical Society (IndoMS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22342/jme.v15i2.pp517-544

Abstract

Teachers play a crucial role in disseminating knowledge in educational settings, typically adhering to a credulist-testimonial approach outlined in pedagogical literature. Consequently, students often acquire knowledge through this method, potentially leading to discrepancies between their conceptual understanding and the intended educational objectives. This study investigates the phenomenon of learning obstacles encountered by junior high school students, with a particular emphasis on mathematics education. It is part of a series of Didactical Design Research (DDR) projects aimed at developing effective instructional materials. Employing an interpretive paradigm within the DDR framework, the study adopts a qualitative approach utilizing hermeneutic phenomenology design. Various research tools such as diagnostic assessments, interview guidelines, observation sheets, and audio recordings are employed. Data analysis is conducted using the Constant Comparative Method (CCM). The findings highlight ontogenic, didactic, and epistemological obstacles students face, stemming from factors such as a lack of interest in mathematics, ineffective material presentation, and misconceptions regarding set concepts. These results underscore the importance of educators employing effective teaching strategies to help students overcome these obstacles and succeed in their mathematics education.
Sintering Behavior of Lampung Limestone-Based Hydroxyapatite for Use as a Bone Filler Material Saputra, Rizal Adi; Sukmana, Irza; Hendriyanto, Agus; Riszal, Akhmad; Hendronursito, Yusup; Wicaksono, Mahruri Arif
International Journal of Aviation Science and Engineering - AVIA Vol. 6 No. 2: (December, 2024)
Publisher : FTMD Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47355/avia.v6i2.141

Abstract

Limestone from Mount (Mt.) Beranti, Lampung Province, contains 97.43% calcium carbonate (CaCO₃), making it a suitable natural precursor for synthesizing hydroxyapatite (HA). HA is widely utilized as a bone tissue filler, particularly in treating osteoporosis. In this study, CaCO₃ was processed using ball milling at 300 rpm for durations of 2, 3, and 4 hours, followed by sintering at temperatures of 600°C, 800°C, and 1000°C for holding times of 2, 3, and 4 hours. FTIR analysis using the hydrothermal method on calcined limestone powder revealed characteristic peaks corresponding to phosphate (PO₄³⁻) at 1025.45 cm⁻¹, calcium oxide (Ca–O) at 1413.59 cm⁻¹, and hydroxyl (O–H) at 3030.33 cm⁻¹, which closely resemble those found in commercial HA. SEM-EDX analysis at 1000°C for 4 hours showed a homogenous microstructure, with EDX results indicating the highest concentrations of calcium and phosphate after milling for 2 hours. Vickers hardness testing confirmed the highest hardness value was also achieved at 1000°C for 4 hours. Overall, the FTIR, SEM-EDX, and microhardness results demonstrate enhanced properties of HA, supporting its effectiveness as a material for filling porous bone tissue. Keywords: Limestone; Hydroxyapatite (HA); Calcium Carbonate (CaCO3); Bone Filler
A Systematic Review of Ethnomathematics Research (2019–2023): Cultural Integration in Mathematics Teaching and Learning Setiaputra, Felix Indra; Subanti, Sri; Usodo, Budi; Triyanto, Triyanto; Fitriana, Laila; Hendriyanto, Agus
Jurnal Pendidikan MIPA Vol 26, No 1 (2025): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpmipa.v26i1.pp195-211

Abstract

This systematic literature review (SLR) examines ethnomathematics in the period 2019–2023 using the PRISMA protocol. By analyzing the Scopus and ERIC databases, 24 relevant articles were found. Ethnomathematics is an interdisciplinary field that studies the practices, knowledge, and cultural aspects of mathematics in various societies. This SLR aims to provide an overview of the latest research trends, methodologies, and main findings in ethnomathematics. The review process included analysis of titles, abstracts, and full texts, with data extraction related to the year of publication, authors, research objectives, methodology, and main findings. The data obtained were analyzed to identify research patterns and gaps. The results of the study show an increasing interest in exploring cultural mathematical practices and the impact of cultural factors on mathematics learning. Various methodological approaches were used, such as qualitative, quantitative, ethnographic, and cross-cultural comparison studies. Key findings include the integration of ethnomathematics in education, cultural relevance in the curriculum, and the development of culturally responsive pedagogy. The review also highlights the need for further research, especially related to the representation of underrepresented cultures or regions. Overall, this SLR provides a comprehensive review of recent research in ethnomathematics, identifying trends, methodologies, and key findings. The study contributes to the discussion on cultural diversity and inclusivity in mathematics education, serving as a valuable reference for researchers, educators, and policymakers.        Keywords: ethnomodeling, ethnomathematics, systematic literature review (SLR).
Co-Authors A Dewi, Deshinta Anip Dwi Saputro, Anip Dwi Astri Wahyuni Atik Wintarti, Atik Ayi Abdurahman Budi Usodo Budi Usodo Budiyono Budiyono Dadan Dasari Dadang Juandi Denik Agustito Didi Suryadi Farida Nurhasanah Fitriana, Laila Gigih Kridantari Henny Ekana Chrisnawati I Nyoman Bagus Pramartha Imam Sujadi Irza Sukmana, Irza Isnandar Slamet, Isnandar istiqomah istiqomah Jarnawi Afgani Dahlan Krida Singgih Kuncoro Krida Singgih Kuncoro Luhur Bayuaji, Luhur Lukman Hakim Muhaimin Lukman hakim muhaimin Maarten Dolk, Maarten Ma’ulfi Kharis Abadi Muhaimin, Lukman Hakim Nia Kania NURUL AZIZAH Pauji, Ikbal Rahmat Kusharyadi Riszal, Akhmad Rizal Adi Saputra RR. Ella Evrita Hestiandari S Siswanto Sa'idah, Ulya Sani Sahara Setambah, Mohd Afifi Bin Bahurudin Setiaputra, Felix Indra Siswanto Siswanto Siswanto, Rizki Dwi Siti Fatimah Sri Subanti Supartini, Nani Sutopo Sutopo Tajuddin, Annas Tasyah Tomi Listiawan Tri Atmojo Kusmayadi Tririnika, Yuliana Trisna Roy Pradipta, Trisna Roy Turmudi Wardat, Yousef Wicaksono, Mahruri Arif Yaya S. Kusumah Yemi Kuswardi, Yemi Yusup Hendronursito, Yusup