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Ali Shodikin

Universitas Negeri Surabaya

Author-ID : 378876

Religion 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 Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Physics Public Health Social Sciences Other

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ANALISIS KESALAHAN SISWA SMP DALAM MEMBUAT PEMODELAN MATEMATIKA Fiyah, Mas; Shodikin, Ali
Jurnal Pendidikan Matematika (JUPITEK) Vol 4 No 1 (2021): Jurnal Pendidikan Matematika (JUPITEK)
Publisher : Program Studi Pendidikan Matematika FKIP Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/jupitekvol4iss1pp1-6

Pemodelan merupakan tahap penting dalam penyelesaian masalah matematika, terutama pada jenis soal cerita. Namun demikian, proses pemodelan seringkali menjadi masalah utama bagi siswa. Tujuan penelitian adalah untuk mendeskripsikan kesalahan siswa SMP dalam membuat pemodelan matematika dan faktor yang menyebabkan terjadinya kesalahan tersebut. Penelitian ini adalah penelitian kualitatif dengan menggunakan pendekatan deskriptif pada siswa kelas VIII SMP Negeri 2 Modo, Lamongan pada semester Ganjil Tahun Ajaran 2020/2021. Teknik pengumpulan data yang dilakukan berupa tes dan wawancara. Hasil penelitian ini menunjukkan bahwa kesalahan yang terjadi adalah siswa tidak dapat mengidentifikasi variabel-variabel soal, membuat asumsi yang salah, dan membentuk persamaan yang tidak mewakili masalah. Penyebab internal kesalahan tersebut adalah tidak memahami komponen-komponen masalah, menggunakan nalar atau insting sendiri dalam menyelesaikan soal cerita, tidak memperhatikan keterkaitan antar komponen masalah. Sedangkan faktor eksternalnya adalah tingkat kesulitan soal yang diberikan cukup tinggi dan kurangnya sumber referensi yang memadai

MATHEMATICS CONNECTION ABILITY FOR JUNIOR HIGH SCHOOL STUDENTS BASED ON LEARNING INDEPENDENCE LEVEL Samudro, Galleh Dwi; Shodikin, Ali
Jurnal Pendidikan Matematika (JUPITEK) Vol 5 No 1 (2022): Jurnal Pendidikan Matematika (JUPITEK)
Publisher : Program Studi Pendidikan Matematika FKIP Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/jupitekvol5iss1pp14-22

Mathematical connection ability is one of the basic mathematics skills that must be possessed by junior high school students. It turns out that so far, the student's learning outcomes in terms of mathematics have not been encouraging. This study aims to describe the mathematical connection skills of junior high school students in solving a problem in terms of learning independence. This research is a qualitative descriptive study on eighth-grade students in a junior high school in Lamongan district, East Java. Data was collectied using test questions, interviews, and questionnaires. This study obtained the following results: 1) one subject (S2) who has high mathematical connection ability with low learning independence, 2) one subject (S1) who has moderate mathematical connection ability with moderately high learning independence, and 3) two subjects (S3 & S4) who have low mathematical connection skills with low learning independence. The internal causes of the lack of mathematical connection skills and student learning independence are the lack of practice questions, the lack of motivational stimulus to encourage students to study independently. While external factors are the level of test questions that are tested too difficult and the lack of supporting learning information sources

The Effect of Dynamic Geometry Software-Based Interactive Media with the RME Approach in Improving Critical Thinking on the Rotation Topic Ramidha, Nur Fitriani; Shodikin, Ali; Abdullah, Abdul Halim
Jurnal Pendidikan Progresif Vol 15, No 3 (2025): Jurnal Pendidikan Progresif
Publisher : FKIP Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpp.v15i3.pp1640-1652

The Effect of Interactive Media Based on Dynamic Geometry Software with the RME Approach on Improving Critical Thinking in Rotation Material. Objectives: The goal of this research is to examine the effect of using interactive media on Dynamic Geometry Software (DGS), like GeoGebra, along with the Realistic Mathematics Education (RME) technique in improving students’ critical thinking on the topic of rotation in geometry. Methods: The study used both a quantitative approach and a quasi-experimental approach. There were 38 students from SMA Negeri 1 Olahraga Sidoarjo in East Java who took part in this study. The experimental class and the control class consist of 19 students each. The experimental group learned with GeoGebra-based interactive media and the RME method, while the control group learned more traditionally without technology and the RME method. A set of validated test questions was administered before and after the intervention to measure students’ critical thinking skills. Results: There was a significant difference between the two groups’ critical thinking skills. Students in the experimental class were much better at understanding, evaluating, and thinking about geometric rotation problems than students in the control class. Combining GeoGebra and RME helped students understand how rotation works in real life and made them more interested, active, and better at understanding, exploring, and using it in a meaningful way. Conclusion: The RME method and GeoGebra helped students think critically about geometry, especially rotation. These results support the idea that using technology in a way that makes learning mathematics more meaningful, like RME, can help students think more deeply. Teachers should think about using these kinds of strategies to help their students learn mathematics better. Keywords: critical thinking, geogebra, quasi-experimental, RME, rotation.

Kemampuan Komunikasi Matematis Siswa SMP Menyelesaikan AKM Numerasi ditinjau dari Gaya Kognitif Impulsif-Reflektif Himmah, Faiqotul; Susanah; Shodikin, Ali
Journal of the Indonesian Mathematics Education Society Vol. 2 No. 2 (2024): Journal of the Indonesian Mathematics Education Society
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jimes.v2n2.p80-93

Penelitian ini memiliki tujuan dalam mengkaji gaya kognitif impulsif dan reflektif siswa dan kemampuan mereka untuk berkomunikasi matematis. Jenis Penelitian ini merupakan kualitatif bersifat deskriptif. Penelitian ini melibatkan siswa SMP kelas VIII. Teknik sampling purposive digunakan untuk memilih subjek penelitian. Keabsahan data yang diperoleh melalui metode triangulasi metode digunakan dalam penelitian ini. Analisis data menggunakan proses reduksi data, menyajikan data, dan membuat kesimpulan. Hasil dari penelitian ini menunjukkan bahwa empat karakteristik siswa yang memiliki gaya kognitif impulsif, yakni (1) mampu menyatakan informasi atau masalah yang terdapat dalam soal dengan waktu relatif cepat dalam menemukan informasi tersebut, namun masih kurang akurat; (2) subjek tidak dapat menyatakan masalah dalam model matematika; (3) subjek tidak mampu untuk menyatakan penyelesaian secara sistematis, sebab siswa tidak menemukan ide untuk memproses informasi atau masalah yang ada; dan (4) subjek mampu menyimpulkan jawaban secara lisan dengan perolehan yang siswa dapatkan, namun tidak untuk mengevaluasi hasil penyelesaian siswa. Sedangkan empat karakteristik siswa dengan gaya kognitif reflektif adalah (1) subjek mampu menyatakan permasalahan yang ada pada soal; (2) subjek mampu menjelaskan dan menyatakan secara lisan untuk model matematika, namun tidak secara tertulis; (3) subjek tidak mampu menyatakan peyelesaian secara sistematis, sebab subjek meninggalkan poin penting dalam penyelesaian; dan (4) subjek mampu menyatakan kesimpulan dan mengevaluasi jawaban yang telah dilakukan.

Students’ Reasoning in Mathematics Learning: How to Solve Problem of Ethnomathematics Based on Personality Putri, Kharisma Dwisinta; Ekawati, Rooselyna; Shodikin, Ali
Journal of the Indonesian Mathematics Education Society Vol. 2 No. 2 (2024): Journal of the Indonesian Mathematics Education Society
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jimes.v2n2.p70-79

Reasoning relates to the extent which students can think about the flow of problem solving. Combined in ethnomathematics so that students know more about mathematical practice through local culture. There was a statement of study say that personality types which reflect differences in a person's way of thinking. This study aims to analyze students' reasoning through ethnomathematics based on personality. The subject taken from grade eight junior high school students were selected, each of whom include in masculine, neutral, and feminist category from personality. Research method applies a qualitative method. Sampling technique applies cluster random sampling. Data collection technique applies documentation, observation, and test method. The result to all of the category that were masculine, neutral, and feminist had same quality enough in perform calculations based on certain rules or formulas, quality good in make conjecture, and quality less in checks the validity of an argument. However they was not duplicate answer. For other researchers may continue similar research by considering another indicator of students’ reasoning to comparison whether there are different result or be better than this research.

Developing Students’ Worksheet of Cuboid and Cube Volume with Realistic Mathematics Education (RME) Oktavia, Siwi Putri; Shodikin, Ali; Ekawati, Rooselyna
Journal of the Indonesian Mathematics Education Society Vol. 3 No. 1 (2025): Journal of the Indonesian Mathematics Education Society
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jimes.v3n1.p33-43

The aim of this study is to develop a Student Worksheet for students of 8th grade SMP of cube and cuboid volume material based on Realistic Mathematics Education (RME) which have valid and practical criteria. It was development research, adapted from the 4D development model. Validation was carried out by material, media, and learning experts. The Student Worksheet developed was tested in a small group test with the subjects of 6 students. The results showed the RME-based Student Worksheet is valid by evidence that an average total score of 3.24 was obtained with a percentage of 80.92%. The assessment by the students was performed in a small group test to test the practicality. From a small group test, an average total score of 3.44 was obtained with a percentage of 86%. Therefore, this RME-based Student Worksheet is valid and practical.

Senior High School Students’ Difficulties in Solving HOTS Probability Problem and Their Scaffolding Based on Learning Styles Hidayati, Alifia Putri; Shodikin, Ali
Journal of the Indonesian Mathematics Education Society Vol. 3 No. 1 (2025): Journal of the Indonesian Mathematics Education Society
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jimes.v3n1.p19-32

This study aims to identify the difficulties experienced by high school students in solving higher-order thinking skills (HOTS) questions on probability and to analyze the scaffolding provided to help students overcome these difficulties based on visual, auditory, and kinesthetic learning styles. HOTS questions require the students to think creatively, critically, and logically, which are commonly hindered by the abstract nature of the concept of probability. This qualitative descriptive study involved three students classified based on their learning styles. Data were collected using a learning style questionnaire, HOTS test questions, and interviews, and were analyzed via data reduction, data display, and conclusion drawing. The results showed that visual learners struggled with transformation and process skills, auditory learners with process skills, and kinesthetic learners with both transformation and process skills. To remedy these issues, scaffolding was created according to each learning style. Visual learners were assisted by the use of visual comparison charts and Figure-based guidelines, auditory learners responded to guided inquiry questions and oral explanations, and kinesthetic learners performed well through action tasks and movement-based simulations. These individualized scaffolding strategies allowed the students to overcome conceptual and procedural barriers, thereby improving their ability to answer HOTS probability questions more effectively. This study emphasizes the importance of adaptive support tailored to personal learning styles to increase the mathematical understanding of students.

Implementation of GeoGebra-Assisted Problem Based Learning Model to Improve Understanding of Algebra Concepts in Junior High School Syifaurrohman, Muhammad Huda; Shodikin, Ali
Journal of the Indonesian Mathematics Education Society Vol. 3 No. 2 (2025): Journal of the Indonesian Mathematics Education Society
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jimes.v3n2.p97-106

This study investigates the effectiveness of the Problem Based Learning (PBL) model assisted by GeoGebra in improving junior high school students’ learning outcomes on the topic of the System of Linear Equations of Two Variables (SPLDV). The research is grounded in the existing problems in mathematics classrooms, where students often experience difficulties in understanding abstract concepts, exhibit low problem-solving abilities, and show limited interest in learning due to conventional, teacher-centered instructional approaches. GeoGebra, as an interactive digital tool, provides dynamic visualizations that help students connect algebraic theory with graphical representation, thereby facilitating deeper conceptual understanding. The findings reveal that the implementation of PBL assisted by GeoGebra significantly enhances students’ conceptual understanding, problem-solving skills, and learning interest. These results suggest that integrating technology-supported PBL can create more meaningful and engaging learning experiences. The study recommends that future research extend the application of this model to other mathematical topics and educational levels, as well as examine its long-term effects on affective aspects such as motivation and learning attitudes.

Designing a Hypothetical Learning Trajectory with Student Worksheets: Fostering Collaboration and Innovation in Probability Learning Indraswari, Annisa Yora; Shodikin, Ali
Pedagogi: Jurnal Ilmu Pendidikan Vol 25 No 2 (2025): Pedagogi: Jurnal Ilmu Pendidikan
Publisher : Fakultas Ilmu Pendidikan Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/pedagogi.v25i2.2576

This study aims to develop a Hypothetical Learning Trajectory (HLT) based on student worksheets for teaching probability as an innovative approach to enhance students’ conceptual understanding. The development is driven by the need for instructional design that connects abstract mathematical concepts to real-life contexts. The research adopts a design-based research (DBR) approach through an in-depth case study of three eleventh-grade students. Data were collected through LKPD tasks, observations, semi-structured interviews, and diagnostic tests. Findings show that the HLT-based student worksheet effectively supported students’ progressive understanding of probability, fostering intuitive exploration and formal application. Students demonstrated active engagement, cognitive growth, and positive attitudes toward learning. The study concludes that implementing HLT through LKPD is a valid and promising strategy to improve the quality of mathematics instruction, particularly in the topic of probability.

Teacher Strategies Through Educational Games in Managing the Dynamics of Mathematics Learning Groups to Grow Interest in Learning Ismah, Arina Izzatil; Shodikin, Ali
Indonesian Research Journal on Education Vol. 5 No. 6 (2025): Irje 2025
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/irje.v5i6.3945

Penelitian ini dilakukan untuk menganalisis strategi guru dalam menerapkan permainan edukatif untuk mengelola dinamika kelompok dan juga menumbuhkan minat siswa dalam mempelajari matematika. Penelitian ini didorong oleh persepsi siswa bahwa matematika adalah mata pelajaran yang menakutkan dan membosankan yang mengakibatkan interaksi pasif dalam belajar kelompok. Penelitian ini menggunakan pendekatan kualitatif dengan tipe studi kasus dan subjeknya meliputi guru matematika dan juga siswa yang terlibat dalam pembelajaran kelompok. Pengumpulan data dilakukan melalui empat instrumen: wawancara, observasi aktivitas, tes prestasi belajar, dan juga studi dokumentasi. Teknik analisis data yang diterapkan adalah model interaktif Miles dan Huberman. Hasil penelitian menunjukkan bahwa penerapan permainan edukatif secara efektif mengubah dinamika kelompok dari pasif menjadi kolaboratif dengan nilai observasi rata-rata 3,14 (kategori Baik). Secara akademis, mayoritas siswa (72%) mencapai kategori Baik dan Sangat Baik. Hal ini juga menunjukkan bahwa permainan edukatif membantu membangun lingkungan sosial yang interaktif dan suportif (pembelajaran yang menyenangkan), yang secara bersamaan cenderung meminimalkan persepsi negatif dan juga meningkatkan antusiasme serta ketekunan siswa dalam belajar, sementara kebaruannya terletak pada peran permainan edukatif sebagai alat manajemen konflik dan juga penambah kekompakan kelompok, dan bukan hanya sebagai media penyampaian materi.

Co-Authors Abdullah, Abdul Halim Abdur Rohim AGUNG LUKITO Ahmad Ryan Hidayat Ali muhajir, Ali Alvenna Nursyafira Angesti Gita Kartika Anik Novianti Anik Novianti, Anik Anisa Firdaus Asmana, Arezqi Tunggal Ayu Lestari Brigita Febi Valensiana Didan Rizky Adha Didan Rizky Adha Diyah, Fima Hayu Ning Ekawati, Dea Wulan Erieza Dwi Pratiwi Erina Ellen Rusmana Faiqotul Himmah Faizah, Siti Febriani, Indri Rohmatul Fakhri Fernanda, Betita Nadia Fiyah, Mas Fuadah, Putri Fithrotul Galleh Dwi Samudro Gita Ainul Hidayah Hendrik Furqon Hendrik Furqon Heny Ekawati Haryono Hidayati, Alifia Putri Hidayatul Maratin Holyness Nurdin Singadimedja Ida Ayu Putu Sri Widnyani Ihsani, Ulynnuha Aulia Imam Rofiki Indraswari, Annisa Yora Intan Sari Rufiana Ismah, Arina Izzatil Janet Trineke Manoy Khafidhoh Nurul Aini Khusnah, Khotimatul Kusnul Khotimah MASRIYAH Mohammad Nurwahid Mohammad Yusuf Randy Mudhiah, Siti Mustofah Mustofah Mutiari, Rahma Nabilah, Istianatun Nadiayah, Ishomah Nadifah, Lailatul Nazilatun Ni'mah Niawati, Zulin Nindya Tifa Novitasari Novandi Kevin Pratama Novandi Kevin Pratama Novandi Kevin Pratama Novandi Kevin Pratama Nugroho, Setiaji Nugroho, Setiaji Nur Imro’atus Solikha Nur Imro’atus Solikha Nur Imro’atus Solikha Nur Imro’atus Solikha Nurkumala, Silvia Eka Nurzatulshima Kamaruddin Oktavia, Siwi Putri Pratama, Novandi Kevin Prismahardi Aji Riyantoko Putri, Kharisma Dwisinta Rahaju, Endah Budi Rahayu, Tri Retno Rahmania Putri, Kartika Rahmawati, Adinda Aulia Ramidha, Nur Fitriani Rika Nur Safitri Riska Fatikkatin Riyantoko, Prismahardi Aji Ri’ayatul Khoiriyah Rooselyna Ekawati Salma Hasna Hamiydah Samudro, Galleh Dwi Sa’abdillah Abas Setiaji Nugroho Shafira, Putri Dian Siti Amiroch, Siti Siti Daiyatul Hamidah Siti Faizah Siti Mudhiah Siti Nur Millah Slamet Arifin Sofiana, Inaz Iffarani Solikha, ImroÃ¢â‚¬â„¢atus Solikha, Nur Imro’atus Sri Rahayuningsih SUSANAH Susanah Susanah Sutardi Sutardi Syifaurrohman, Muhammad Huda Tatik Retno Murniasih Tatik Tatik Tri Ratna Rahayu Valensiana, Brigita Febi Wahyu Kyestiati Sumarno Wulandari, Hilaria Yesieka Ayu Yunis Setiyowati Yurizka Melia Sari

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