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Sufyani Prabawanto, Sufyani

Indonesia University Of Education

Author-ID : 580979

Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Physics Social Sciences Other

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Analysis of Students' Mathematical Representation Ability on Cube and Cuboid Topics: A Case Study in A Junior High School Simanjuntak, Sinitta Marito; Prabawanto, Sufyani
PRISMA Vol 14, No 1 (2025): PRISMA
Publisher : Universitas Suryakancana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35194/jp.v14i1.4738

This study aims to analyze the ability of mathematical representation on cube and cuboid topic in one of the junior high schools in Bandung. The research design used to achieve the objectives of this study is a case study design that is carried out to investigate students' mathematical representation skills. Data was collected from ten grade IX junior high school students through written tests in the form of descriptions and interviews. Based on the results of the data analysis described above, it can be concluded that the mathematical representation ability of grade IX students at one of the State Junior High Schools in Bandung still has many errors. This is because almost all students have not been able to solve the problems given. Two indicators used in this study, namely visual representation and representation of equations or mathematical expressions, there are still many students who solve mathematical problems that are not completed perfectly and some students are still not thorough and impetuous to find solutions to problems so that students are wrong in providing the final result.

Students learned knowledge of the concept of angle and angular measure: A didactic transposition perspective Herizal; Priatna, Nanang; Prabawanto, Sufyani; Jupri, Al
Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika Vol. 8 No. 1 (2025): Jurnal Absis
Publisher : Program Studi Pendidikan Matematika Universitas Pasir Pengaraian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30606/absis.v8i1.3196

The concept of angle and angular measure are essential concepts that need to be well understood in learning geometry. However, students often misunderstand these concepts. This study aimed to analyze how the shift in knowledge of the concept of angle and angle measurement in the perspective of didactic transposition. A qualitative study with a phenomenological approach was conducted to examine this phenomena. Data were collected through classroom observation, interviews, and documentation studies. The results of the study indicate that the transposition process in learning affects students' conceptualization process of the definition of angles so that students cannot distinguish between angles and anglular measure and tend to consider the two to be the same. A weak transposition process often causes errors, variations in meaning, and limited knowledge. This study emphasizes the need for a good didactic approach to bridge the gap in the transition process between scientific knowledge of mathematics and students' understanding. The implications of this study suggest that there is an alignment of both the curriculum and teaching materials that are in line with scholarly knowledge to improve students' understanding of the concept of angles and anglular measure.

PACE LEARNING MODEL AND SELF-ESTEEM ON STUDENTS' STATISTICAL LITERACY ABILITY Alman, Alman; Herman, Tatang; Prabawanto, Sufyani; Sarnav Ituga, Almuhaimin
MATEMATIKA DAN PEMBELAJARAN Vol. 13 No. 1 (2025): MATEMATIKA DAN PEMBELAJARAN
Publisher : IAIN Ambon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33477/mp.v13i1.9284

Statistics is the science that deals with the collection, processing, analysis, and presentation of data. In fifth grade elementary school, students learn that statistics can be used to understand information from the data they collect. This study aims to analyze the influence of the PACE (Project, Activities, Cooperative, Exercises) learning model and self-esteem on students' statistical literacy Ability. The sample of the research are fifth-grade students at Karya Baru state Elementary School in Baubau City. The method used is a Quasi-Experimental Design with a 2x3 factorial design. Data collection techniques include tests of statistical literacy Ability and self-esteem questionnaires. Data analysis is conducted using normality tests, homogeneity tests, and two-way ANOVA tests.The results of the study indicate a significant effect of the PACE learning model on students' statistical literacy abilities. No significant effect of self-esteem on statistical literacy Ability was found. Additionally, the analysis shows that there is no interaction between the PACE learning model and self-esteem in influencing students' statistical literacy Ability. This emphasizes the importance of implementing appropriate learning models to enhance statistical literacy using the PACE learning model.

The Effectiveness of Powerpoint-Assisted Contextual Teaching and Learning on Students’ Critical Thinking Skills: A Case on Geometry Material Murni, Sukma; Suryadi, Didi; Prabawanto, Sufyani; Herman, Tatang; Gumpita, Melly Terry
(JIML) JOURNAL OF INNOVATIVE MATHEMATICS LEARNING Vol. 8 No. 2 (2025): VOLUME 8 NUMBER 2, JUNE 2025
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jiml.v8i2.27463

Based on the problems faced in schools from the results of interviews with the lack of student learning outcomes on the circumference and area of flat shapes this is due to the lack of media and approaches used by classroom teachers, so researchers want to improve students' critical thinking skills by developing power point learning media assisted by the Canva application that can help students understand the material and various questions with critical thinking skills, as well as a contextual teaching and learning approach that makes students find out and be active in learning. The research method used is Research and Development from Borg and Gall with the following stages: 1) Research, 2) planning, 3) product development, 4) limited test, 5) Revision, 6) wider test, 7) final product . For the results of the teacher's response, 84% are in good category and 73% are in good enough category. For the results of improving students with the n-gain test, the limited trial was 0.65 and the broad trial was 0.66, including the medium category. The normality test in the limited test is 0.200 and 0.068 while for the broad test it is 0.256 and 0.813 so that the distribution is normal. Paired simples test in limited trials and wide trials 0.000 <0.05 then H0 is rejected, Ha is accepted. So there are significant and effective differences in learning.

Students' Learning Obstacles in Relational Thinking on Arithmetic, Algebra, and Linear Equations in One Variable Masitoh, Lisda Fitriana; Prabawanto, Sufyani; Darhim, Darhim; Jurpri, Al
Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Vol 13, No 3: July 2025
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/j-ps.v13i3.15427

Various studies on relational thinking have been conducted, but none have explicitly examined students’ learning obstacles from the ontogenetic, epistemological, and didactical perspectives. This study aims to identify and describe students’ learning obstacles in relational thinking within arithmetic, algebra, and linear equations in one variable. This study employs a qualitative approach guided by Miles and Huberman’s framework, which involves data collection, data reduction, data display, and drawing and verifying conclusions. The study used tests and interviews to gather information. Data were collected in August 2023 from 32 students of 8th grade at SMPN 17 Tangerang Selatan. Analysis revealed that students encountered ontogenetic, didactical, and epistemological obstacles when solving mathematics problems requiring relational thinking. The ontogenetic obstacle manifested as a lack of confidence in their own mathematical abilities. The didactical obstacle arose from the use of instructional materials and learning designs that did not facilitate development of relational thinking ability. The epistemological obstacle was evident in students’ failure to understand arithmetic and algebraic operation rules, inability to construct mathematical models from everyday situations, and misinterpretation of the equals sign (“=”) as an operational command rather than a symbol of equality. Teachers therefore require additional learning resources to reinforce students’ understanding of the concept of equality. Future research should focus on developing and evaluating instructional designs specifically aimed at enhancing students’ relational thinking ability.

Contrasting Mathematical Phenomena and Concepts in Ethnomathematics through Etic and Emic Approaches: A Study of Dhikr Jahar Practices in Tariqa Qodiriyah Naqsyabandiyah Ma’had Suryalaya Yulianto, Eko; Wahyudin, Wahyudin; Tafsir, Ahmad; Prabawanto, Sufyani
Al-Jabar: Jurnal Pendidikan Matematika Vol 12 No 1 (2021): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ajpm.v12i1.8805

Ethno-mathematical research trends pioneered by D'Ambrosio are on the rise, especially in Indonesia as a nation with high cultural diversity which has a lot of potential researches to be explored. This paper has two major objectives, first to explore the importance of the role of mathematics in the practice of Dhikr Jahar in Tariqa Qodiriyyah Naqsyabandiyyah and second to contrast the differences between mathematical phenomena and mathematical concepts in ethnomathematics research. Attempts to contrast the mathematical phenomena and mathematical concepts in ethnomathematics was expected to provide a sharper highlight in the writing of ethnomathematics research. This research used qualitative methods with two approaches, namely ethnography and phenomenology. The locations of the research are at Pondok Pesantren Suryalaya-Sirnarasa and Padepokan Talangraga Tasikmalaya with observations for 9 months in the first stage and then 6 months in the second stage. The number of respondents interviewed in this research were 48 people. Data processing was performed using the Nvivo 12 Plus. The results showed that there are many mathematical phenomena in the practice of Dhikr Jahar Ikhwan TQN. In carrying out the practice of dhikr, the Ikhwan used a mathematical concept with two events, fingers and prayer beads aids. The concept of counting in dhikr was used strictly by the Ikhwan. They believe that numbers have an important role in the quantity of dhikr. Contrasting mathematical phenomena and mathematical concepts can be done with an emic and etic approach and is expected to become an alternative style in ethnomathematics research.

How students' obstacle in solving mathematical tasks deal with linear equation in one variabel Wicaksono, Agung; Prabawanto, Sufyani; Suryadi, Didi
Al-Jabar: Jurnal Pendidikan Matematika Vol 15 No 1 (2024): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ajpm.v15i1.21137

Background: Algebra is one of the most important topics in school mathematics. However, the facts in the field found that there were still many errors made by students in solving problems on linear equations in one variable.Aim: This research aims to describe and analyze students' learning obstacles in one-variable linear equation material.Method: This research used a qualitative research approach with a phenomenological design. This research used a purposive sampling technique, the research subjects were 28 class VIII students of Junior High School in Palu City. Data collection was carried out by triangulating data through description tests, in-depth interviews, and documentation studies.Result: Learning obstacles found in the one-variable linear equation material are categorized into 3 types, namely ontogenic obstacles, epistemological obstacles, and didactical obstacles. ontogenic obstacles are found because there is a leap in students' thinking from an arithmetic mindset to an algebraic mindset. Epistemological obstacles are found due to limited context for students which causes errors in working on questions. Some epistemological obstacles are the concept of linear equations, algebraic operations, and applications to equations. The didactical obstacle was found because the teacher's teaching was procedural so the formation of the concept of one-variable linear equations and inequalities in students did not go well.Conclusion: The importance of initial strengthening is related to students' understanding of coefficients, variables, and constants, providing strengthening of the arithmetic thinking process to algebraic thinking, as well as techniques and methods in delivering material and the teaching materials used.

Algebraic reasoning of high school students in solving inverse function problems: Viewed from mathematical resilience Fitrianna, Aflich Yusnita; Rosjanuardi, Rizky; Prabawanto, Sufyani
Indonesian Journal of Science and Mathematics Education Vol. 7 No. 2 (2024): Indonesian Journal of Science and Mathematics Education
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ijsme.v7i2.21087

Algebra is one of the essential branches of mathematics that often presents challenges for students, especially when faced with inverse function problems. This study aims to describe algebraic reasoning in solving inverse function problems from the perspective of students' mathematical resilience. This qualitative research uses a case study design involving 33 eleventh-grade students from a public high school in West Bandung Regency. The instruments used were a mathematical resilience scale and an algebraic reasoning test. Data analysis was conducted through data reduction, presentation, and conclusion drawing. The results showed that 15.15% of students had low resilience, 72.72% had moderate resilience, and 12.12% had high resilience. There were different characteristics in algebraic reasoning among students in these resilience categories. The implications indicate that targeted learning strategies can enhance algebraic reasoning, especially for moderate and low-resilience students.

The Challenges of Junior High School Students in Solving Fraction Problems Based on Newman's Error Analysis Doni, Petrus Kanisius Nama; Prabawanto, Sufyani
Jurnal Pendidikan MIPA Vol 26, No 2 (2025): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpmipa.v26i2.pp1274-1288

This study aims to analyze the type of errors made by eighth-grade students in solving fraction problems at a public junior high school in Lembata Regency, East Nusa Tenggara. The analysis was conducted using the Newman Error Analysis (NEA). The research employed a qualitative descriptive method with nine eighth-grade students as the subjects. The instruments used included a written test consisting of 17 questions and interview guidelines based on the five stages of error identified in NEA: reading, comprehension, transformation, process skills, and encoding. The analysis revealed no errors in the reading stage, indicating that students were generally able to read and extract relevant information from the problems correctly. However, significant errors began to appear in the subsequent stages. In the comprehension stage, 16.84% of students failed to interpret the question correctly or misunderstood essential information, potentially leading to incorrect solution steps. Transformation errors occurred in 26.94% of cases, where students struggled to convert verbal information into a mathematical representation. In the process skills stage, 27.27% of students made mistakes in performing basic mathematical operations, such as fraction calculations. The highest error rate was observed in the encoding stage, where 28.96% students were unable to correctly write the final answer, even after processing the question appropriately. These findings indicate that students face difficulties not only in conceptual understanding but also in procedural fluency and mathematical expression. Keywords: difficulty, fraction, newman error analysis, process skills, encoding.

Promoting Computational Thinking through Programming Trends, Tools, and Educational Approaches: a Systematic Review Irawan, Edi; Rosjanuardi, Rizky; Prabawanto, Sufyani
JTAM (Jurnal Teori dan Aplikasi Matematika) Vol 8, No 4 (2024): October
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jtam.v8i4.26407

This systematic research aims to provide a comprehensive overview of the development of analysis related to the use of programming in the development of Computational Thinking (CT), especially in the context of education from primary to tertiary levels. This study analyzed 88 articles from empirical studies related to the use of programming to develop CT sourced from the Scopus database. The analysis process followed the PRISMA 2020 guidelines and consisted of three stages: search, selection, and data analysis. Descriptive and thematic statistical approaches were used for data analysis. Instruments used in the selection of articles included Rayyan for screening based on inclusion criteria, as well as Microsoft Excel for coding and thematic analysis. The results showed that articles related to the use of programming to promote CT have appeared since 2011 but have increased significantly since 2016, with an annual growth rate of 17.6%. Most studies used quantitative approaches, followed by qualitative and mixed methods. Overall, 270 authors from 27 countries contributed to the study, with the United States having the highest number of publications. A total of 33 programming tools were identified, with Scratch being the most widely used tool, followed by Blockly, LEGO, Scratch Jr., Code.org, Python, Alice, App Inventor, Kodu, R, MakeCode, and Arduino. Scratch Jr. is most commonly used at the early childhood education level, while programming languages such as Python, R, and MATLAB are more commonly used in higher education. The implications of these findings suggest that the trend of using programming tools such as Scratch and Blockly has the potential to influence CT teaching strategies in the classroom, as well as the importance of using varied programming tools in efforts to integrate CT into the education curriculum.

Co-Authors A.A. Ketut Agung Cahyawan W Abdul Mujib Aflich Yusnita Fitrianna Agung Wicaksono Ahmad Arifuddin Ahmad Nizar Rangkuti Ahmad Tafsir Ahmad Tafsir, Ahmad Ahmad Zulfa Khotimi Ahmad Zulfa Khotimi Ahmatika, Deti Aiyub Aiyub Alfitri, Putri Armania Agustina Alman Alman Alman Alman, Alman Amalia Indrawati G Andika Putra R Aneu Pebrianti Anwar, Agus Saeful Aridanthy, Vanya Aryanti Asep Syarif Hidayat Asfar, A.M.Irfan Taufan Asfar, Andi Muhamad Iqbal Akbar Aswin Aswin Atep Sujana Augie, Kintan Tyara Bambang Eko Susilo Bambang Hariyomurti Bariyah, Nusrotul Candra Nugraha Cece Kustiawan Cecep Anwar Hadi Firdos Santosa Cecep Anwar Santosa Christina Monika Samosir Citra Utami Dadan Dasari Dadan Hermawan, Dadan Dadang Juandi Dahlan, Jarnawi Ahmad Dallyono, Ruswan Darhim Darhim David Nurfiqih Dela Ambarwati Desi Elizanti Desy Lusiyana Dewi Nurmalitasari Dian Cahyawati Dian Nopiyani Dian Usdiyana Didi Suryadi Didi Suryadi Didi Suryadi Dinar Nur Alkifah Jihadatunnafsy Doni, Petrus Kanisius Nama Dwi Arisma Wahyudi Edi Irawan Edria Al Shahada Effy Mulyasari Ejen Jenal Mutaqin Eka Novarina EKO YULIANTO Eko Yulianto Eko Yulianto Elah Nurlaelah Elizanti, Desi Encum Sumiaty, Encum Endang Cahya Mulyaning A. Eyus Sudihartinih Fardian, Dilham Fathiyah, Ifa Fatimah Aqilah Ichtiari Fatimah, Siti Febriani, Winarti Dwi Fitri Ayu Febrianti Fitri Ayu Febrianti Fitriana Lestari Fitriani Fitriani Fujiarti, Ari Ginda M.A.Siregar Gita Rani Putri Mangiri Gumpita, Melly Terry Gunadi, Farid Hadi Haeruddin, Haeruddin Hani Nurhasanah Hayuningrat, Silfia Herizal Herizal Hutkemri Zulnaidi Iden Rainal Ihsan Ifa Fathiyah Inayah, Sarah Indiana Marethi Indiana Marethi, Indiana Indra Nurhidayat Irena Puji Luritawaty Istikomah, Endang Itoh Masitoh Izzy Balagtas Villarico Jarnawi Afgani Dahlan Jozua Sabandar Jurpri, Al Jusniani, Nia Kartika Yulianti Kholipah, Nuzuliah Khotimah, Wonadesma Dwi Khusnul Novianingsih Kintan Tyara Augie Kurniawati, Ririn Laelasari Laelasari, Laelasari Lien Malinda Lina Siti Nurwahidah Lucky Heryanti Jufri Lukman Lukman M Akbar Gulvara M Candra Nugraha Deni Mangiri, Gita Rani Putri Masitoh, Lisda Fitriana May Nisa Istiqomah Mefiana, Syifa Ananda Meicindy Jeny Klorina Meilani, Rini Melani, Rini Melati, Catur Yustika Melisa Melisa Milah Nurkamilah Mimi Hariyani Mohamad Gilar Jatisunda Muhamad Soeleman Muhamad Yasin Mustika Fauziah, Hilma Nabila Cynthia Rayhan Nanang Priatna Nandang Arif Saefuloh Nazla Nurul Aulia Panggabean Nelvita Febrina Hasan ningrum, yunia jumita Nopiyani, Dian Nopiyani, Dian Nova Nurhanifah Novi Andri Nurcahyono Novia Rahmi Noviana Antaria Nti, Seth Junior Nuaini, Intan Nuke Fitri Yanuari Nur Qamariah Nurannisa, Andi Nurdiyah Kurniati Nurhayati, Ani Permani, Kania Dewi Pertiwi, Saffanah PRASETYAWAN, ENGGAR Prihandhika, Aditya Putri, Amelia Defrianti Rachmawati Khaerun Nisa Raisya Hizkiya Syabina Ramli Ramli Rani Sugiarni Rini Sulastri Riny Arviana Ririn Kurniawati Riza Fatimah Zahrah Rizki, Raihan Ahmil Rizky Rosjanuardi Rohimah, Siti Maryam Rosmayasari Rosmayasari Rosmayasari, Rosmayasari Rostina Sundayana Rusdiono Muryanto Ruswan Dallyono Saefuloh, Nandang Arif Saefuloh, Nandang Arif Safrina Safrina Samosir, Christina Monika Sandra Sukmaning Adji Santi, Eneng Sanusi Sanusi Saputra, Samnur Sarassanti, Yumi Sarnav Ituga, Almuhaimin Sendi Ramdhani Septian, Ari Simanjuntak, Sinitta Marito Siregar, Rama Nida Sitanggang, Damra Ali Siti Fatimah Siti Zakiyah Sofa, Rostika Nurlaela Nova Maya Suhendra Suhendra Suhendra, S Sukma Murni Sukri Sukri suparni Surya, Marcia Ann Syamsuri Syamsuri Syarifah, Mufarrahatus Syarifah, Mufarrahatus Syifa Ananda Mefiana Tata Frarisia Tatang Herman, Tatang Tin Lam, Toh Trisna Nugraha Trisnowali MS, Andi Turmudi Ulfah Nur Azizah Ulfah Nur Azizah Umbara, Uba Umbara, Uba Usep Kosasih Wafa Islamiyah Wahyu Hidayat Wahyu Sopandi Wahyudi, Dwi Arisma Wahyudin Wahyudin Wahyudin Wahyudin Wahyudin Wahyudin Wahyudin Wardani, Ambarsari Kusuma Wenda Alifulloh Widdy Sukma Nugraha Yasin, Muhamad Yaya S. Kusumah Yeni Dwi Kurino Yeni dwi Kurino Yusuf Adhitya

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