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Arief Agoestanto

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ANALISIS RESILIENSI MATEMATIS SISWA KELAS X DI SMAN 1 DUKUPUNTANG PADA PEMBELAJARAN MATEMATIKA Inayah, Fifqi; Arief Agoestanto
JUMLAHKU: Jurnal Matematika Ilmiah STKIP Muhammadiyah Kuningan Vol 9 No 2 (2023): JUMLAHKU VOL.9 NO.2 2023
Publisher : Program Studi Pendidikan Matematika Universitas Muhammadiyah Kuningan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33222/jumlahku.v9i2.3523

Resiliensi matematis membutuhkan mentalitas yang kuat untuk mengatasi kekhawatiran, rasa takut menghadapi rintangan, dan kemahiran berbahasa. Siswa memiliki persepsi yang negatif terhadap matematika. Banyak siswa yang menganggap matematika sebagai mata pelajaran yang sulit dan membosankan. Persepsi yang negatif ini dapat menghambat siswa untuk mengembangkan resiliensi matematis. Tujuan dari penelitian ini untuk menganalisis tingkat resiliensi matematis siswa kelas X di SMAN 1 Dukupuntang. Metode yang digunakan pada penelitian ini yaitu metode deskriptif dengan pendekatan kuantitatif. Populasi dari penelitian ini adalah siswa kelas X di SMAN 1 Dukupuntang. Sampel dari penelitian ini yaitu salah satu siswa kelas X berjumlah 40 orang. Pemilihan sampel pada penelitian ini berdasarkan pada teknik random sampling. Instrumen penelitian yang digunakan adalah instrumen non tes, yaitu berupa angket berjumlah 28 butir pernyataan yang dapat ditanggapi oleh siswa melalui skala likert dengan rentang poin 1 sampai 4. Teknik analisis data dilakukan dengan analisis prosentase lalu dipaparkan secara deskriptif. Berdasarkan hasil analisis setiap pernyataan yang telah direspon siswa pada indikator diperoleh presentase yang menunjukkan bahwa tingkat resiliensi matematis siswa pada indikator 1 diperoleh persentase sebesar 49% tergolong kriteria cukup baik. indikator 2 diperoleh persentase sebesar 53% tergolong kriteria baik, indikator 3 diperoleh persentase sebesar 54% tergolong kriteria baik, indikator 4 diperoleh persentase sebesar 66% tergolong kriteria sangat baik, indikator 5 diperoleh persentase 55% tergolong kriteria baik, indikator 6 diperoleh persentase sebesar 45% tergolong kriteria cukup baik.

Analysis of Location and Causes Of College Students' Errors In Probabilistic Problem Solving Agoestanto, Arief; St. Budi Waluya; Scolastika Mariani; Annisa Salma Zakiyyah
Kreano, Jurnal Matematika Kreatif-Inovatif Vol. 16 No. 1 (2025): Kreano, Jurnal Matematika Kreatif-Inovatif
Publisher : UNNES JOURNAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/kreano.v16i1.22111

Problem solving is a necessity for college students, including probabilistic problems. However, student errors in solving these problems continue to occur, necessitating an analysis of the location and causes. The goal of this research is to identify the locations and causes of probabilistic problem-solving errors. This is a qualitative research. The study's subjects were nine students from Semarang State University's Mathematics Education Study Program with low Student Academic Ability (SAA). Based on the subject's problem-solving outcomes, the location and sources of errors in solving probabilistic issues using the Newman Procedure were thoroughly investigated. Data analysis starts with minimising data, then presents data, and finally draws conclusions. Checking the validity of the data using triangulation approaches, such as comparing test results to interview findings and comparing study subjects' outcomes. The findings of this study revealed that the research subjects made errors during the transformation, process skill, and encoding processes. Students' errors are caused by a lack of understanding of the strategy that must be employed in addressing probabilistic problems, topic confusion between the use of permutations and combinations, and confusion in identifying the sample space when taking one or more items in the experiment. The study's findings are likely to inspire and inform lecturers on how to use appropriate learning tactics to limit the possibility of student errors when tackling probabilistic questions. The conclusion of this research is that student errors in probabilistic problem solving lie in the transformation stage, the calculation process , and the error of writing answers so that it is necessary to be given the task of practicing probability problem solving in stages and there are brief instructions in developing a solution strategy. Abstrak Pemecahan masalah sangat penting untuk dikuasai mahasiswa, salah satunya pada masalah probabilistik. Namun, masih sering dijumpai kesalahan mahasiswa dala menyelesaikan masalah tersebut, sehingga perlu dilakukan analisis letak maupun penyebabnya. Penelitian kualitatif ini bertujuan menganalisis letak serta penyebab kesalahan pemecahan masalah probabilistik. Subjek penelitian sebanyak 9 mahasiswa Pendidikan Matematika Universitas Negeri Semarang dengan Kemampuan Akademik Mahasiswa (KAM) rendah. Dari hasil pemecahan masalah subjek dieksplorasi secara mendalam letak dan penyebab kesalahan dalam memecahan masalah probabilistik berdasarkan Prosedur Newman. Analisis data diawali reduksi data, kemudian penyajian data, dan diakhiri dengan penarikan simpulan. Pemeriksaan keabsahan data dengan teknik triangulasi yaitu membandingkan hasil tes dengan hasil wawancara, serta membandingkan hasil subjek-subjek penelitian. Hasil penelitian ini menunjukkan subjek penelitian mengalami kesalahan pada langkah transformation, process skill dan encoding. Adapun penyebab kesalahan adalah tidak mengetahui strategi yang harus digunakan dalam memecahkan masalah probabilistik, subjek kebingungan antara penggunaan permutasi dan kombinasi, kebingungan dalam menentukan ruang sampel antara pengambilan 1 objek dan beberapa objek dalam percobaan. Hasil penelitian ini dapat dijadikan dasar bagi dosen dalam menggunakan strategi pembelajaran yang tepat untuk mengurangi potensi kesalahan mahasiswa dalam menyelesaikan masalah probabilistik. Simpulan dari penelitian ini adalah kesalahan mahasiswa dalam pemecahan masalah probabilistik terletak pada tahap transformasi (transformation), proses perhitungan, dan kesalahan penulisan jawaban sehingga perlu diberi tugas latihan soal-soal pemecahan masalah probabilitas secara bertahap dan terdapat petunjuk singkat dalam menyusun strategi penyelesaian.

META-SINTESIS: SELF-ESTEEM DALAM HARD SKILL MATEMATIK SISWA Cholifah, Cholifah; Mariani, Scolastika; Agoestanto, Arief
MUST: Journal of Mathematics Education, Science and Technology Vol 10 No 1 (2025)
Publisher : Universitas Muhammadiyah Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30651/must.v10i1.26830

Challenges in mathematics education are becoming increasingly complex, particularly in achieving a balance between students’ hard skills and soft skills. One crucial aspect of soft skills is self-esteem. This article aims to examine the relationship between self-esteem and students’ mastery of mathematical hard skills through a meta-synthesis approach. Data were collected from articles published between 2020 and 2025, focusing on self-esteem in the context of mathematics proficiency. The search strategy utilized the Publish or Perish software, Google Scholar, and the PRISMA 2020 framework. The analysis results indicate that self-esteem has a positive impact on the mastery of mathematical hard skills by fostering students’ confidence, creativity, and learning independence. This study highlights the importance of incorporating affective aspects—particularly self-esteem—into instructional strategies to optimally support students’ cognitive abilities

Tracing the Footsteps of Ethnomathematics in Indonesian High School Education: Literature Metasynthesis and Trend Analysis 2015-2025 Jatnika, Sugih Nugraha; Agoestanto, Arief; Mariani, Scolastika
Plusminus: Jurnal Pendidikan Matematika Vol. 5 No. 2 (2025): July
Publisher : Department of Mathematics Education Program IPI Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31980/plusminus.v5i2.2995

Matematika sering dianggap sebagai pelajaran yang abstrak dan jauh dari kehidupan nyata. Padahal, konsep matematika banyak ditemukan dalam budaya lokal Indonesia. Penelitian ini bertujuan mengkaji penerapan etnomatematika dalam pembelajaran matematika di SMA melalui Tinjauan Literatur Sistematis (SLR) terhadap 20 artikel yang terbit antara 2015–2025. Artikel tersebut mencakup pengembangan bahan ajar, eksperimen kelas, serta integrasi unsur budaya seperti permainan tradisional, rumah adat, seni, dan tradisi lokal, terutama pada materi geometri, aljabar, dan bilangan. Hasil sintesis menunjukkan bahwa 85% studi melaporkan peningkatan pemahaman konsep, dan 70% menyebut peningkatan motivasi dan keterlibatan siswa. Etnomatematika juga memperkuat identitas budaya dan sikap positif siswa terhadap matematika. Pendekatan ini efektif menjembatani materi akademik dengan kehidupan nyata siswa. Kesimpulannya, etnomatematika layak diintegrasikan dalam kurikulum SMA untuk menciptakan pembelajaran yang kontekstual, bermakna, dan berakar pada budaya lokal. Mathematics is often considered an abstract subject, one that is far removed from real life. Mathematical concepts are widely found in local Indonesian culture. This study aims to examine the application of ethnomathematics in high school mathematics learning through a Systematic Literature Review (SLR) of 20 articles published between 2015 and 2025. The articles cover the development of teaching materials, classroom experiments, and the integration of cultural elements such as traditional games, traditional houses, art, and local traditions, especially in geometry, algebra, and number materials. The synthesis results showed that 85% of studies reported an increase in conceptual understanding, and 70% mentioned an increase in student motivation and engagement. Ethnomathematics also strengthens students’ cultural identity and positive attitudes towards mathematics. This approach effectively bridges academic material with students’ real lives. In conclusion, ethnomathematics is a valuable addition to the high school curriculum, as it fosters contextual, meaningful, and culturally rooted learning.

THE RELATIONSHIP BETWEEN SELF EFFICACY AND MATHEMATICAL CONNECTION SKILLS WITH STUDENTS"™ NUMERAC SKILLS Mustofa, Mustofa; Mulyono, Mulyono; Mariani, Scholastika; Agoestanto, Arief
Jurnal Pendidikan Matematika dan IPA Vol 16, No 3 (2025): September 2025
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jpmipa.v16i3.93983

Numeracy ability is the ability to think logically and systematically in solving contextual problems based on data and numbers. However, students' numeracy ability in Indonesia, including in Central Java, is still relatively low. This study aims to determine the relationship between self-efficacy and mathematical connection ability simultaneously on students' numeracy ability on the material of arithmetic sequences and series in class X MANU 3 Ittihad Bahari Bonang Demak. This study uses a quantitative approach with a correlational method. The research sample was taken using a cluster random sampling technique, and two classes were obtained, namely class X.1 and X.2. The research instruments were in the form of a self-efficacy questionnaire and a descriptive test to measure mathematical connection and numeracy abilities. Data analysis was carried out using multiple linear regression tests using SPSS 25. The results of the study showed that there was a significant positive relationship simultaneously between self-efficacy and mathematical connection ability on students' numeracy abilities, with a coefficient of determination (R ²) value of 0.599. This means that the two independent variables contributed 59.9% to students' numeracy skills, while 40.1% was influenced by other factors. These results indicate the importance of the role of self-efficacy and mathematical connections in improving students' numeracy skills, as well as being the basis for further research to examine other factors that contribute to the development of numeracy skills.

Optimization of Mathematical Literacy through the Development of Information Literacy-Based Inquiry Learning in Secondary Education Susanti, Vera Dewi; Sukestiyarno, YL; Kharisudin, Iqbal; Agoestanto, Arief
EDUKASIA Jurnal Pendidikan dan Pembelajaran Vol. 5 No. 2 (2024): Edukasia: Jurnal Pendidikan dan Pembelajaran
Publisher : LP. Ma'arif Janggan Magetan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62775/edukasia.v5i2.1396

The low level of students’ mathematical literacy in Indonesia, as indicated by the results of the Minimum Competency Assessment and various previous studies, highlights the need to improve the instructional models used in schools. This study examines the validity, practicality, and effectiveness of developing Information Literacy-Based Inquiry Learning. The development model used in this study is adapted from Plomp which consists of five phases: (1) the preliminary investigation phase, (2) the design phase, (3) the realization/construction phase, (4) the testing, evaluation, and revision phase, and (5) the implementation phase. The subjects in this study were 63 grade X high school students in Madiun district. Data collection techniques used in this study were validation sheets, response questionnaires, and students' mathematical literacy tests. The average score from the teaching module validation was 3.86, categorized as good, and all validators confirmed that the developed mathematical literacy test instrument was valid. In the trial, the average score from the student response questionnaire was 4.02, which was also in the good category. The average student's mathematical literacy score in this trial was 79.5. Therefore, it can be concluded that the development of the model is valid, practical, and effective.

Meta-Synthesis: The Influence of Mathematical Anxiety on Critical Mathematical Thinking Cahya, Nabella Dwi; Mariani, Scolastika; Agoestanto, Arief; Masrukan
JRPM (Jurnal Review Pembelajaran Matematika) Vol. 9 No. 1 (2024)
Publisher : Department of Mathematics Education, Faculty of Tarbiyah and Teacher Training, UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15642/jrpm.2024.9.1.52-64

The purpose of this research is to describe the influence of mathematics anxiety on students' mathematical critical thinking abilities. The research method used in this study was meta-synthesis, a qualitative systematic review that analyzed four relevant articles with the research title. The steps involved formulating the research problem, followed by searching for previous relevant research with the same title and then analyzing it in depth. The data collection technique used non-tests by examining previous research with similar problems to obtain results and conclusions. The study surveyed 4 articles, consisting of 3 national journal articles and one international journal article. The analysis of the four related articles resulted in the conclusion that math anxiety has a negative impact on students' mathematical critical thinking abilities.

Description Of Students' Mathematical Problem-Solving Ability In The Topic Of Setting Up Equations In The Cambridge Curriculum Syaharani, Erdita Aulia; Agoestanto, Arief; Asih, Tri Sri Noor
Eduvest - Journal of Universal Studies Vol. 4 No. 8 (2024): Journal Eduvest - Journal of Universal Studies
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/eduvest.v4i8.1529

Mathematical problem-solving is a crucial ability that needs to be developed to prepare students to face the challenges of the 21st century. The aim of this research is to describe the mathematical problem-solving abilities of high school students in the Setting Up Equations topic within the Cambridge Curriculum schools. This research used descriptive qualitative approach. The sample for this research was taken using purposive sampling technique, consisting of 23 students from the 10th grade of Semesta Bilingual School Semarang. Data were obtained through test technique, then scoring was conducted to gather percentages at each stage, followed by an averaging process for the final interpretation of students’ mathematical problem-solving abilities. The instrument used has been well validated and consists of 5 contextual questions in the form of essay questions. The results obtained were that 74% of students understand the problem, 67% can devise a plan, 78% can carry out the plan, and 4% can look back. The average final percentage of students’ abilities was 56%, categorized as medium. It is concluded that students’ mathematical problem-solving abilities are still considered medium, indicating the need for improvement efforts.

Systematic Literature Review: Mathematical Communication Ability through Quantum Learning Model Based on Self Efficacy Noor, Hanif Jauhar; Agoestanto, Arief
JME (Journal of Mathematics Education) Vol 8, No 1 (2023): JME
Publisher : Universitas Sembilanbelas November Kolaka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31327/jme.v8i1.1906

Mathematical communication skills are very important skills in learning mathematics. Mathematical communication skills are also linked to self-efficacy. The purpose of this study was to determine the improvement and relationship of students' mathematical communication skills using Quantum Learning and self-efficacy. The Systematic Literature Review approach was used with the PRISMA method in this study. The electronic literature search source used is Google Scholar through Publish or Perish 8 which collects 994 articles, using national and international articles published from 2018-2023, indexed by Sinta 1-4 and indexed by Scopus, categorized as proceedings and journal articles, has full access and is categorized as a field of mathematics education. The results showed that self-efficacy affects mathematical communication skills and Quantum learning models and there is a relationship between self-efficacy and mathematical communication skills with Quantum learning models

Systematic Literature Review: MATHEMATICAL CONNECTIONS THROUGH PROBLEM-BASED LEARNING IN TERMS OF ADVERSITY QUOTIENT SUPONO, LILIK; Agoestanto, Arief
JME (Journal of Mathematics Education) Vol 8, No 1 (2023): JME
Publisher : Universitas Sembilanbelas November Kolaka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31327/jme.v8i1.1922

Mathematical connection is a skill needed to understand mathematical concepts and relate them to formulas taught, once taught, applied in other subjects, and also applied to the real world. Every student has differences in terms of mathematical connection ability. This is known as the Adversity Quotient (AQ). AQ is divided into three groups namely Climbers, Campers, and Quitters. Apart from the AQ review, there is an appropriate learning model to be used in improving students' mathematical connections, namely the Problem Based Learning (PBL) model. PBL is a learning model related to everyday problems. The purpose of this study is to (1) determine the effect of AQ on mathematical connection skills in the PBL learning model (2) determine the influence of AQ on mathematical connection skills.The discussion in this article uses the SLR (System Literature review) method searched from Google Scholar, Scimago Journal Rank, and Publish or Perish from 2013 to 2023. The results of this study get 22 relevant articles. Of the 24 articles studied, 14 articles concluded that mathematical connections are appropriate to use in PBL learning models and 8 articles concluded that the effect of AQ on students' mathematical connections is proportional or directly proportional. Students with a good AQ will have good math connections.

Co-Authors Abdika, Ahmad Ijlal Adi Nur Cahyono Afifah, Siti Atiatul AGUSTINA, SELY Ahmad Badawi, Ahmad Ahmad Musyafak Akbar Dakha Prabowo Amalliyah, Nor Amin Suyitno Annisa Salma Zakiyyah Apriliani, Yustika Rakhma Arie Wahyuni Artanto, Noviesag Ary Woro Kurniasih Asani, Fityan Asih, Tri Sri Noor Aziiza Andanawarih Utoyo Azizia, Ananda Jullailatul Azmi, Kholifatu Ulil Bambang Eko Susilo Bambang Eko Susilo Bambang Eko Susilo Budi Waluya Cahya, Nabella Dwi Cholifah, Cholifah Deby Ashri Khardita Dewi, Ardhyani Yunika Dewi, Elok Tri Kusuma Dewi, Nuriana Rachmani Dr. Masrukan, Dr. Dwijanto Dwijanto Eko Andy Purnomo Endang Retno Winarti ernita, ernita Fathiya, Rina Nurul FAUSTINA, RIZA SILVIA Fifqi Inayah Hamidah . Hamidah Hamidah Hanif Jauhar Noor Hanif Jauhar Noor Hardi Suyitno Harti, Laela Sih Hery Sutarto Hikmah, Al Ihtiani, Ana Ika Fitriani Fitriani Inayah, Fifqi Iqbal Kharisudin Ismail, Aldiansyah Isnarto Isnarto Isnarto Isnarto, Isnarto Isti, Nur Aisyah Iwan Junaedi Iwan Junaedi Jaka Wijaya Kusuma Jatnika, Sugih Nugraha Kartono , Khardita, Deby Khasanah, Nor Khasmarawati, Vinda Khoirunnisa, Farah Dina Khumairoh, Herlina Milatina Kinasih, Sekar Kristina Wijayanti Kristina Wijayanti Latifah, Nana Umi Lilik Supono Lilik Supono LILIK SUPONO Mahfiyah, Amaliyatul Mariani, Scholastika Marissa, Erlinda Isulis Mashuri - Mashuri Mashuri Masrukan Masrukan Masrukan Masrukan Masrukan Masrukan Masturina Hamid, Ellya Miranti, Nawang Kusuma Muchammad Imron Muchtar Adam Muachor Muhammad Fayakuun Muhammad Iqbal Muhammad Kharis Muhammad Kharis Muhammad Rizcky Kurniawan Muhammad Syaiful Rohman Syaiful Muhammad Zuhair Zahid, Muhammad Zuhair Mulyono Mulyono Mulyono Mulyono Mustofa Mustofa NiÃ¢â‚¬â„¢mah, Roudlotin Nino Adhi, Nuriana Rachmani Dewi Noor, Hanif Jauhar Noverianto, Bebyd Nuriana Rachmani Dewi Nuriana Rachmani Dewi (Nino Adhi) Nurintya, Fairusz Hanan Nurintya, Fairuz Hanan Nurkaromah Dwidayati, Nurkaromah Octalia, Rembulan Permata Oktaviyanty, Hetty Pamungkas, Reki Gilang Paradita, Evelyn Paramitha, Witha Permanawati, Fitra Inda Priyanto, Oei Yuda Setiyo Puji Handayani Purnamasari, Agustria Purnomo, Dhidik Joko Putriaji Hendikawati Rakhmawati, Vitania Ratih Kusumawati Ratri Rahayu Riza Arifudin Rochmad - Ruliana Ruliana, Ruliana Saputro, Didik Adi sari, atmira qurnia Savitri, Soviana Nur Savitri, Sukma Nur Scolastika Mariani Septiana, Meli Setiyawan, Ali Akhmad Sopyyev, Ylyas St. Budi Waluya Subarkah, Muhamad Rizki Sugiman Sugiman Sugiman Sukestiyarno Sukestiyarno Sukestiyarno Sukestiyarno Sunarmi Sunarmi Supono, Lilik Syaharani, Erdita Aulia Syarifah, Lailatus T.D. Setyaningsih, T.D. Tania, Nova Tsania Rahma Azzahra Ula Himatul Aliyah Utoyo, Aziiza Andanawarih Vera Dewi Susanti Vera Dewi Susanti Wahyu Nur Annisa Walid Walid, Walid Wardono Wardono Wijaya, Linda Winanti, Kresni Winanti, Kresni Witha Paramitha Wuryanto Wuryanto YL Sukerstriyarno YL Sukestiyarno YL Sukestriyarno Yohanes Leonardus Sukestiyarno Yulianto, Dimas Arif Yuliyani Yuliyani, Yuliyani Yuni Frazwanti Zaenuri Mastur Zulfa Dayyinati Fa'izulloh

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