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Fredi Ganda Putra

Universitas Islam Negeri Raden Intan Lampung, Indonesia

Author-ID : 608792

Religion Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Engineering Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Physics Social Sciences Other

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Mathematical representation: A bibliometric mapping of the research literature (2013–2022) Putra, Fredi Ganda; Lengkana, Dewi; Sutiarso, Sugeng; Nurhanurawati, Nurhanurawati; Saregar, Antomi; Diani, Rahma; Widyawati, Santi; Suparman, Suparman; Imama, Khoirunnisa; Umam, Rofiqul
Jurnal Infinity Vol 13 No 1 (2024): VOLUME 13, NUMBER 1, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v13i1.p1-26

Mathematical representation ability is an essential skill for students to understand mathematical concepts. Many studies have been conducted regarding this ability, but it is necessary to map existing research to provide a clearer picture of future research topics. This study aims to provide a bibliometric review of trends using mathematical representation skills in mathematics teaching research. The method in this study is bibliometric analysis, which aims to analyze and classify bibliographic material by presenting representative summaries of the literature in the Scopus database. The search was carried out using the keyword "mathematical representation" and selecting "article title" in the search menu in the Scopus.com database. Perish or Publish (PoP) software analyzes the author's name, number of document citations, document title, year of publication, document source, publisher, and document type. The results showed 99 publications and 357 citations related to mathematical representations, where the number of publications and citations fluctuated. The application of learning models and approaches, computer media, and analysis of mathematical representations is a research trend related to this variable. Therefore, paying attention to mathematical representations in learning mathematics and using effective strategies to improve students' mathematical representation abilities is essential. The findings of this study indicate the need to develop syntax and learning media based on mathematical representations to strengthen students' mathematical abilities.

Mathematical Representation Ability of Middle School Students in the REMAP-TPS Learning Model and Student Activeness Komarudin, Komarudin; Fitriana, Umi; Suherman, Suherman; Puspita, Laila; Putra, Fredi Ganda; Rahmawati, Novia Dwi
MATHEMA: JURNAL PENDIDIKAN MATEMATIKA Vol 6, No 2 (2024): MATHEMA
Publisher : Universitas Teknokrat Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33365/jm.v6i2.4061

Kemampuan representasi matematis siswa kelas VIII SMPN 1 Way Bungur masih rendah. Aktivitas belajar yang bervariasi antar siswa menimbulkan perbedaan kemampuan pada setiap siswa. Hal ini menyoroti perlunya revitalisasi pendekatan pengajaran dengan menggunakan model pembelajaran yang berpusat pada peserta didik, yang mendorong peningkatan aktivitas siswa dan pemahaman materi. Model pembelajaran REMAP-TPS hadir sebagai pendekatan inovatif yang melibatkan siswa secara dominan dalam proses pembelajaran dan membantu eksplorasi materi melalui penggunaan peta konsep. Penelitian ini bertujuan untuk menilai keefektifan model pembelajaran REMAP-TPS dalam meningkatkan kemampuan representasi siswa. Desain penelitian yang digunakan adalah quasi eksperimen Posttest-Only Control Group Design. Instrumen yang digunakan untuk mengukur kemampuan representasi matematis meliputi soal deskriptif terkait geometri sisi data dan angket untuk menilai aktivitas pembelajaran. Tes diberikan kepada siswa setelah proses pembelajaran selesai, dilanjutkan dengan analisis menggunakan ANOVA. Temuan penelitian menunjukkan bahwa model pembelajaran REMAP-TPS unggul dalam mengembangkan kemampuan representasi matematis siswa. Hal ini terlihat dari rata-rata nilai posttest kelompok eksperimen sebesar 79,56, melampaui rata-rata kelas kontrol sebesar 68,52.

What are the advantages of using leftover cooking oil waste as an aromatherapy candle to prevent pollution? Putra, Fredi Ganda; Sari, Adinda Puspita; Qurotunnisa , Asri; Rukmana , Astari; Darmayanti, Rani; Choirudin, Choirudin
Jurnal Inovasi dan Pengembangan Hasil Pengabdian Masyarakat Vol. 1 No. 2 (2023): Jurnal Inovasi dan Pengembangan Hasil Pengabdian Masyarakat (December)
Publisher : CV. BImbingan Belajar Assyfa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61650/jip-dimas.v1i2.230

The increase in used cooking oil refuse contributes to environmental degradation. A lack of public comprehension and cognizance of waste management also contributes to this. If these actions persist, the water quality will deteriorate, and natural disasters may occur. Every resident of the village of Russia, which encompasses 12,00 km2, generates used cooking oil refuse. As part of the Serumpun Melayu Real Work Lecture (KKN) service activities, used cooking oil is recycled into aromatherapy candles in order to prevent impacts that will harm people's health as well as pollution of ecotourism spots around Rusaba village and to raise awareness about waste processing. On Thursday, August 24, 2023, the service activity occurred in the Rusaba village community hall, Punduh Pedada subdistrict, Peshawar district. Service activities are carried out using socialization and training methods, including conducting surveys and observations, preparing for socialization by coordinating with the village, carrying out socialization activities with material presented through presentations and direct practice, and evaluating activities through questions and responses. Participants considering the socialization activities carried out The implementation of socialization activities for creating aromatherapy candles from used cooking oil waste has proven effective and can be used to increase the number of micro, small, and medium-sized enterprises (MSMEs) owned by homemakers.

The Effect of GeoGebra- Assisted Learning Cycle 7e Model and Cognitive Style on the Mathematical Concepts Understanding Ability Widyawati, Santi; Putra, Fredi Ganda; Bistari, B; Hamdani, H
IndoMath: Indonesia Mathematics Education Vol 4, No 2 (2021)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/indomath.v4i2.7

This study aims to see the effect of: 1) cognitive style (Field Independent and Field Dependent) on the ability to understand mathematical concepts; 2) application of the geogebra-assisted cycle 7e learning model on the ability to understand mathematical concepts; 3) the interaction between the learning model group (learning cycle 7E learning model, learning cycle learning model 7E assisted by geogebra and conventional learning model) and the cognitive style group on students' mathematical concept understanding abilities. Quasi experimental design is used as a research method with data collection techniques using concept understanding tests and cognitive style tests. The two-way ANOVA test was used to find answers to the research objectives that had previously been tested for normality and homogeneity tests. Based on the test results, it can be concluded that: 1) The application of the 7E learning cycle learning model with geogebra has a good effect on the ability to understand mathematical concepts; 2) cognitive style has no effect on mathematical understanding ability; and 3) there is no interaction between the learning model group and the cognitive style group on the ability to understand mathematical concepts.

Problem Posing to Develop Students' Mathematical Creativity Hendrajaya, Hendrajaya; Sugiatno, Sugiatno; Suratman, Dede; Rif’at, Mohamad; Putra, Fredi Ganda
IndoMath: Indonesia Mathematics Education Vol 5, No 2 (2022)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/indomath.v5i2.27

Student creativity in the process of learning mathematics is very necessary. The low ability to think creatively will greatly affect the overall learning outcomes. One alternative learning that can be used is the problem posing approach. This study aims to determine whether the Problem Posing approach has an effect on students' mathematical creativity. Quantitative research methods with data analysis techniques using the F test are used in this study. The essay test instrument was used to collect data on students' creative thinking abilities. The results showed an increase in students' mathematical creativity after using the Problem Posing approach. The results showed that the effect of the Problem Posing approach on mathematical creativity was 40.49%, this is in the high category. Based on these results, the problem posing approach can be an alternative for teachers in increasing the creativity of students who are still low.

Mathematical representation: A bibliometric mapping of the research literature (2013–2022) Fredi Ganda Putra; Dewi Lengkana; Sugeng Sutiarso; Nurhanurawati Nurhanurawati; Antomi Saregar; Rahma Diani; Santi Widyawati; Suparman Suparman; Khoirunnisa Imama; Rofiqul Umam
Jurnal Infinity Vol 13 No 1 (2024): VOLUME 13, NUMBER 1, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v13i1.p1-26

Model Pembelajaran Trade a Problem: Peningkatan Kemampuan Representasi dan Pemecahan Masalah Matematis Fadila, Abi; Fredi Ganda Putra; Karunia Akbar Permata; Riyama Ambarwati
ARITHMETIC: Academic Journal of Math Vol. 6 No. 2 (2024): Edisi November
Publisher : Institut Agama Islam Negeri Curup

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29240/ja.v6i2.11528

This research aims to analyze the influence of the Trade a Problem Cooperative Learning Model on students' representation and problem-solving abilities at SMPN 1 Abung Pekurun. The research method used is Quasi Experimental Design with data collection in the form of tests on samples of classes 7C and 7D for the 2023/2024 academic year. This research found that the Trade a Problem Model had a significant influence on each dependent variable with p-value = 0,000 so that p-value meaning was rejected. The posttest average for the mathematical representation ability of the experimental class was 88 while the control was 76. In terms of mathematical problem-solving ability, the posttest average for the experimental class was 87 while the control was 74. So, the results of the study showed that: 1) there is an influence of the Trade a Problem Learning Model on mathematical problem-solving ability and mathematical representation abilities; 2) there is an influence of the Trade a Problem Learning Model on mathematical problem-solving abilities; and 3) there is an influence of the Trade a Problem Learning Model on mathematical representation abilities. Trade a Problem Model can be used as an effective alternative to improve students' mathematical problem-solving and representation abilities.

Improving students' high order thinking skills through the application of the bridging analogy learning model Ansely, Ghina; Rinaldi, Achi; Putra, Fredi Ganda
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.v13i1.19095

Higher Order Thinking Skills (HOTS) are high-level thinking skills that include analytical, evaluative, and creative abilities. HOTS is essential in 21st-century education, where students are expected not only to recall information but also to think critically and creatively in facing various challenges. This study aims to determine the improvement of students' HOTS through the application of the Bridging Analogy learning model. The research design employed a quasi-experimental approach with one experimental class and one control class. The instruments used in this study were a HOTS test for Matrix material and a student learning activity questionnaire. Research data were analyzed using statistical analysis with SPSS. The ANCOVA results showed that the Bridging Analogy learning model significantly influenced students' HOTS. The data analysis also revealed that the average HOTS score of students in the experimental class (84.73) was higher than that of the control class, which used conventional learning (55). These findings indicate that the implementation of the Bridging Analogy learning model effectively enhances students' HOTS compared to conventional learning. This research contributes to the development of innovative learning models that support the improvement of students' higher-order thinking skills in mathematics education.

Integrating liveworksheets for multirepresentational probability learning: A study on design validity and instructional effectiveness. Widyawati, Santi; Putra, Fredi Ganda; Bekti, Mutiara Fitria
JRAMathEdu (Journal of Research and Advances in Mathematics Education) Volume 9 Issue 2 April 2024
Publisher : Lembaga Pengembangan Publikasi Ilmiah dan Buku Ajar, Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jramathedu.v9i2.10399

Mathematical representation is essential for students’ understanding, especially in probability which requires visual symbolic and verbal interpretation. However many digital worksheets lack integration across these modes. This study aimed to develop and evaluate a multirepresentational electronic worksheet using the Liveworksheets platform to enhance students’ representational skills in probability. The study applied the ADDIE development model which included curriculum analysis expert validation and classroom implementation through a pretest and posttest design. The worksheet combined interactive charts symbolic equations and explanatory prompts into a unified learning experience. Panels of experts consisting of subject-matter specialists media experts and psychometricians validated the content usability and alignment with educational objectives. Students who participated in pilot activities responded positively and reported high levels of engagement. The pretest and posttest results demonstrated improvements in students’ visual symbolic and verbal representation skills. These outcomes indicate that integrating multiple representation modes into a digital learning tool can effectively support deeper conceptual understanding. The study concludes that the developed worksheet is educationally valid engaging for learners and practical for classroom use. It offers a promising approach to support differentiated instruction in mathematics and enrich students’ learning experiences particularly in mastering abstract probability concepts.

Model Pembelajaran Problem Based Learning dan Gaya Belajar: Pemahaman Konsep dan Penalaran Matematis Siswa Lesyani, Rizsa; Supriadi, Nanang; Putra, Fredi Ganda
Polinomial : Jurnal Pendidikan Matematika Vol. 4 No. 1 (2025)
Publisher : Papanda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56916/jp.v4i1.1255

The Problem Based Learning learning model focuses more on problems so that students can contribute their own knowledge and think at a higher level. The method in this study is quantitative with a quasi-experimental design research type with a population of all eighth grade students at SMP Negeri Bandar Lampung. The sample selection used cluster random sampling. Data collection techniques used learning style questionnaires, conceptual understanding ability tests and mathematical problem solving. The analysis technique used in this study was the Two Way Manova (Two Way Multivariate Analysis of variance) test with a significance level of 5%. The results of this study concluded that (1) There is an influence of the Problem Based Learning (PBL) learning model on students' conceptual understanding and mathematical reasoning. The best ability is mathematical reasoning ability. (2) There is an influence of learning style on students' conceptual understanding and mathematical reasoning. Visual learning style is best compared to auditory and kinesthetic learning styles on conceptual understanding ability. Then the kinesthetic learning style is best compared to visual and auditory learning styles on mathematical reasoning ability. (3) There is an influence of the Problem Based Learning (PBL) learning model and learning styles simultaneously on students' understanding of concepts and mathematical reasoning. (4) There is an influence of the problem based learning (PBL) learning model on students' understanding of concepts and mathematical reasoning partially. (5) There is an influence of learning styles on understanding concepts and there is no influence of learning styles on students' mathematical reasoning partially. (6) There is an influence of the Problem Based Learning (PBL) learning model and learning styles on mathematical reasoning only.

Co-Authors A.A. Ketut Agung Cahyawan W Abi Fadila Achi Rinaldi Achmad Buchori Ade Pradana, Gita Adyt Anugrah Agung Hartoyo Agustiana, Elma Agustina, Olympia Aji Arif Nugroho Anghel, Cornelia Victoria Annajmi Rauf Ansely, Ghina Antomi Saregar Ardian Asyhari Arditha, Restiya Arie Purwa Kusuma Asro Nur Aini Aulia Prsiscka Ayu Ulan Sari, Ayu Ulan Az Zahra, Fatimah Bambang Sri Anggoro Bekti, Mutiara Fitria Bistari Caswita Caswita Chairul Anwar Chairul Anwar Choirudin, Choirudin Cici Fransiska Clarisa Ayu Oktaviani Clarisa Dede Suratman Desi Ratnasari Dewi Lengkana Dewi Lengkana Dewi, Eva Sima Dewi, Eva Sima Dewi, Wiwik Sulistiana Dewi, Wiwik Sulistiana Dina Maulina Dona Fitriawan Dwi Fujiani Dwi Susanti Dwi Susanti Dyan Revianto Een Yayah Haenilah Eka Fitria Ningsih Eko Prasetyo Elma Agustiana Elma Nurjannah Elny Yulinda Sarai Erfina Damayanti Ermalia Ermalia Ermalia, Ermalia Farid, Fajri Farida Farida Farida, Farida Fitri Nurrohmah Fitri, Megawati Ridwan Fitria Adelita Fitria Lestari Fitriana, Umi Fransiska, Cici Ghozali, Anang Gusnidar Gusnidar Hafis, Fathimah Azzahra Hamdani, H Hariri, Hasan Hasan Hariri Hendrajaya Hendrajaya, Hendrajaya Hendri Noperi Hilda Handayani Holidun Holidun Holidun, Holidun Holidun, Holidun Ika Herawati Ikram Mawar Sari Imam Sujadi Imama, Khoirunnisa Indriyani indriyani Indriyani Indriyani Isna Lutfinatun Nabila Istiqomah Istiqomah Jaya, Ahmad Kausar Karunia Akbar Permata Kenny Candra Pradana Khoirunnisa Imama Kiki Afandi Kiki Afandi Kusmayadi, Tri Atmojo Laila Puspita Laila Puspita, Laila Lengkana, Dewi Leni Zuni Isnawati Lestari, Bella Dwi Lestari, Bella Dwi Lesyani, Rizsa Lintang Fitra Utami Lucky Stiardi Rionanda M. Ubaidillah Ridwanulloh Mardani, Lingga Afriansyah Mardani, Lingga Afriansyah Mardiana Mardiana Masykur, Rubhan Masykur, Rubhan Maulidi, Ikhsan Megawati Ridwan Fitri Meriyati Meriyati Misbah Misbah Mohammad Rif'at Monalisa Mufita, Husni Muhamad Syazali Mujib Mujib Mujib Mujib, Mujib Nabila Ariyana Nanang Supriadi Netriwati Novi Yana novi yulya sari Novia Dwi Rahmawati Noviana Dini Rahmawati, Noviana Dini Nugraha Wisnu Putra Nugroho, Aji Arif Nukhbatul Bidayati Haka Nurbaiti Nurbaiti Nurfadilah Siregar Nurhanurawati Nurhanurawati Nurhanurawati Nurhanurawati Nurhasanah Leni Nurina Kurniasari Rahmawati Nurwani Nurwani Olympia Agustina Pandu Lungguh Pambudi Pupiyanti, Ika Putri Oktaviana PUTRI WULANDARI Qurotunnisa , Asri Rahma Diani Rahma Diani Rahma Diani, Rahma Ramadhani, Titania Rani Darmayanti Rica Marhayati Rifa Fahrullisa Rif’at, Mohamad Riyama Ambarwati Rizki Amilatul Afifah Rizki Wahyu Yunian Putra Rofiqul Umam Rubhan Masykur Rubhan Masykur Ruhban Masykur Rukmana , Astari Saipul Abbas Santi Widyawati Santi Widyawati Sari, Adinda Puspita Sinta Oktavianti Siti Rodhotul Jannah Siti Ulfa Nabila Sri Purwanti Nasution, Sri Purwanti Subandi Subandi Sugeng Sutiarso Sugeng Sutiarso Sugiatno . Sugiatno Sugiatno Suherman Suherman, Suherman Sunarto Sunarto Sunyono - - Suparman Suparman Suparman Suparman Tri Atmojo Kusmayadi Tri Jalmo Via Anisa Putri Vina Apriliani Viyanti Viyanti Wahyu Yunian Putra, Rizki Yetri Yetri Yuli Ani Setyo Dewi Zulfa Nabila

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