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Erfan Yudianto

Departement Of Mathematics Education, University Of Jember

Author-ID : 2511968

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PROFIL BERPIKIR ALJABAR SISWA SMP DALAM MENYELESAIKAN MASALAH MATEMATIKA DITINJAU DARI GAYA KOGNITIF (REFLEKTIF DAN IMPULSIF) Pratika Maharani; Dinawati Trapsilasiwi; Erfan Yudianto; Sunardi Sunardi; Titik Sugiarti
saintifika Vol 20 No 1 (2018)
Publisher : FKIP Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (665.337 KB)

The purpose of this study is to describe the profile of algebraic thinking in junior high school students in solving mathematical problems in terms of cognitive style (reflective and impulsive). The subjects used were class VIII B Arjasa 1 Junior High School as many as 25 children. Data collection in this study used two test questions, namely the MFFT test (Matching Familiar Figure Test), algebra test and interviews with four students representing different cognitive styles (reflective and impulsive) . In this study students who have reflective cognitive style and students who have impulsive cognitive style can fulfill five indicators of algebraic thinking, namely generalization, abstraction, analytical thinking, dynamic thinking, and modeling.

ETNOMATEMATIKA PADA PROSES PENETASAN TELUR PENYU HIJAU SEMI ALAMI DI SUKAMADE, TAMAN NASIONAL MERU BETIRI SEBAGAI BAHAN AJAR SISWA BERBASIS FRAKTAL Nila Lestari; Sunardi Sunardi; Erfan Yudianto; Toto Bara Setiawan; Dinawati Trapsilasiwi
saintifika Vol 21 No 1 (2019)
Publisher : FKIP Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (562.892 KB)

Ethnomatematics is the practice or daily activities of a society that has become a culture and there is the application of basic mathematical concepts. The purpose of this research is to describe ethnomatematics on the activities of hatching process of semi-natural green turtle eggs in Sukamade, Meru Betiri National Park to make teaching materials for students in the form of test questions and calculate the fractal dimensions on sand used for hatching the eggs of green turtle. This type of research is qualitative research with an ethnographic approach. The data collection methods used are observation and interviews. The research subjects were the UPKP (Turtle Conservation Management Unit), MMP (Gamekeeper Partner Community) and Facilitators. This study focuses on the activities to calculate, measure, and design. The mathematical concepts that arise are arithmetic operations, value comparisons, arithmetic series and geometric shapes. Fractal dimension calculations on natural and semi-natural sand in the process of hatching green turtle eggs with MATLAB aid program obtained the fractal dimensions on natural sand was 1.7252 and on semi-natural sand was 1.7273.

PENGEMBANGAN MODEL PEMBELAJARAN PROBLEM BASED COOPERATIVE LEARNING DAN PENGARUHNYA TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIKA SISWA Dinar Aulia Wahyuningtyas; Sunardi Sunardi; Erfan Yudianto; Susanto Susanto; Abi Suwito
AKSIOMA: Jurnal Program Studi Pendidikan Matematika Vol 12, No 1 (2023)
Publisher : UNIVERSITAS MUHAMMADIYAH METRO

AbstrakPenelitian ini didasari oleh rendahnya kemampuan siswa dalam menyelesaikan masalah matematika. Berdasarkan hal tersebut, tujuan dalam penelitian ini untuk mengembangkan model pembelajaran Problem Based Cooperative Learning (PBCL) beserta perangkatnya yang terdiri dari RPP, LKS, dan THB yang valid, praktis, dan efektif kemudian menguji pengaruhnya terhadap kemampuan pemecahan masalah matematika siswa SMP. PBCL adalah hasil modifikasi sintaks PBL dan Cooperative Learning. Adapun sintaks model pembelajaran PBCL adalah mengorientasikan siswa pada masalah, mengorganisasikan siswa ke dalam kelompok-kelompok belajar, mengorganisasikan siswa untuk belajar, membimbing kelompok bekerja dan belajar, menganalisis dan mengevaluasi proses pemecahan masalah, dan memberi penghargaan. Penelitian ini menggunakan penelitian pengembangan dan dilanjutkan dengan penelitian eksperimen. Teknik pengumpulan data dalam penelitian ini adalah wawancara, observasi aktivitas siswa, observasi keterlaksanaan model dan perangkat pembelajaran, angket respon siswa, dan tes kemampuan pemecahan masalah. Hasil penelitian menunjukkan model pembelajaran PBCL beserta perangkatnya memenuhi kriteria sangat valid, praktis, dan efektif. Kepraktisan diperoleh dari hasil observasi keterlaksanaan model dan perangkat pembelajaran. Berdasarkan dari uji t-test diperoleh hasil bahwa terdapat pengaruh yang signifikan model pembelajaran PBCL materi persamaan garis terhadap kemampuan pemecahan masalah matematika siswa. AbstractThis study is based on the lack of students ability in solving mathematical problem. According to that background, this study is aimed to develop a learning model of Problem Based Cooperative Learning (PBCL) along with the learning kits, RPP, LKS, and THB, in a valid, practical, and effective problem solving format, and to examine its effectiveness towards junior high school students’ ability to solve mathemathical problmes. PBCL is a syntax modification result of PBL and Cooperative learning, itself is orienting students on problem, organizing students into learning groups, organizing students for learning, guiding for working and learning group, analyzing and evaluating problem solving process, and giving appreciation. This study used developing research continued by experiment research. The data collection techniques were an interview, student activity observation, the implementation of a learning model and kit observation, a student response form, and a problem solving ability test. The result of this study showed that the learning model and kits of PBCL fulfill the criteria of being very valid, practical, and effective. According to the T-test experiment, it can be concluded that there is a significant influence of the PBCL learning model on students’ ability to solve mathematical problems.

Anticipation of Student Ideas In Designing Sierpinsky Square Batik Using Maple Erfan Yudianto
Jurnal Pendidikan Matematika IKIP Veteran Semarang Vol 5 No 1 (2021): Journal of Medives : Journal of Mathematics Education IKIP Veteran Semarang
Publisher : Urogram Studi Pendidikan Matematika, Universitas IVET

This research is motivated by the importance that students have the ability to anticipate. The anticipation skill is needed by students to complete fractal batik designs (Sierpinsky) by using maple so that the resulting ideas matches the original expected ideas. The purpose of this research is to enable students to use maple to design Sierpinsky square batik. Data in this research were collected by tests, interviews and observations. The results showed that students frequently used analytical and exponential anticipation skills. Keywords: Analytic Anticipation, Exploratory Anticipation, Sierpinsky, Sierpinsky Batik.

PENGEMBANGAN PERANGKAT PEMBELAJARAN MATEMATIKA BERBASIS HYBRID-CARING COMMUNITY DAN PENGARUHNYA TERHADAP KEMAMPUAN KONEKSI MATEMATIKA Misbahul Munir; Dian Kurniati; Didik Sugeng Pambudi; Erfan Yudianto; Abi Suwito
AKSIOMA: Jurnal Program Studi Pendidikan Matematika Vol 12, No 2 (2023)
Publisher : UNIVERSITAS MUHAMMADIYAH METRO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/ajpm.v12i2.7063

AbstrakTujuan. penelitian. ini yaitu untuk mengembangkan perangkat pembelajaran matematika berbasis. hybrid-caring community yang valid, praktis. dan efektif. yang terdiri dari rencana pelaksanaan pembelajaran (RPP), lembar kerja. peserta didik. (LKPD) dan tes. hasil belajar. (THB) dan menguji.dampaknya terhadap kemampuan koneksi matematika pada materi sistem persamaan linier dua variabel (SPLDV). Metode penelitian ini menggunakan. metode penelitian. pengembangan (R&D) dilanjutkan. penelitian. eksperimen. Teknik pengumpulan data dalam penelitian ini menggunakan observasi aktivitas siswa, angket respon siswa dan tes hasil belajar untuk mengetahui kemampuan koneksi matematika siswa. Hasilvalidasi RPP, LKPD, dan THB memenuhi kriteria valid. Kepraktisan perangkat dibuktikan dari hasil observasi pelaksanaan perangkat. pembelajaran kategori. “sangat. praktis” dengan persentase. 96%. Kriteria. Keefektifan. perangkat. pembelajaran. dilihat. dari skor lembar observasi. aktivitas peserta. didik, angket respon peserta didik, dan ketuntasan. THB. yang memenuhi kriteria efektif. Berdasarkan t-test pada penelitian eksperimen, dihasilkan perangkat pembelajaran matematika berbasis hybrid-caring community materi SPLDV memiliki pengaruh yang signifikan terhadap kemampuan. koneksi. matematika. AbstractThe purpose of this research is to develop valid, practical and effective hybrid-caring community-based mathematics learning tools consisting of learning implementation. plans, student worksheets and learning achievement tests. and test their impact on connection ability. mathematics on the material system. of two-variable. linear equations. This research method uses development. research followed by experimental. research. Data collection techniques in this study used observation of student activities, student response questionnaires and learning achievement tests to determine students' mathematical connection abilities. Learning. implementation. plans, student. worksheets and learning achievement tests validation results meet the valid criteria. The practicality of the device is proven from the results of observing the implementation of the learning device in the "very practical" category with a percentage of 96%. The criteria for the effectiveness of the learning device can be seen from the score of the student activity observation sheet, the student response questionnaire, and the completeness of the learning achievement tests. which meets the criteria for being effective. Based on the t-test in experimental research, a hybrid-caring community-based mathematics learning tool produced by system. of two-variable. linear equations material has a significant influence on mathematical connection abilities

PENDAMPINGAN PENYUSUNAN PERANGKAT PEMBELAJARAN DI SMK PLUS ALMUJAHIDI GUMUKMAS JEMBER Yudianto, Erfan; Trapsilasiwi, Dinawati; Kurniati, Dian; Panglipur, Indah Rahayu
Jurnal Pemberdayaan Masyarakat dan Inovasi Vol 3 No 1 (2024)
Publisher : STKIP PGRI SITUBONDO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47668/join.v3i1.1198

Carrying out teaching and learning activities is not valid if it is not equipped with learning tools. This made the Minister of Education, Culture, Research and Technology, Mr. Nadim Makarim, simplify the existing learning tools with one sheet of lesson plans. However, even though the name is 1 sheet, many teachers still feel doubtful and uncertain about whether there is really only 1 sheet. This is a problem for teachers at SMK Plus Al Mujahidi Gumukmas Jember. The school principal, through the head of the curriculum, invited the team to this activity. The methods used lecture, question and answer, discussion and practice. The results obtained from this activity are the teachers' understanding of how the 1 sheet RPP, LKPD, assessment and scoring rubric work. The practice carried out in this activity refers to one-on-one mentoring between the teacher and the service team

Pendampingan Pembuatan Perangkat Pembelajaran Berbasis Proyek Penguatan Profil Pelajar Pancasila (P5) Pada Guru Di Kalisat Indah Rahayu Panglipur; Eric Dwi Putra; Sunardi Sunardi; Erfan Yudianto
Jurnal Kabar Masyarakat Vol. 1 No. 1 (2023): Februari : JURNAL KABAR MASYARAKAT
Publisher : Institut Teknologi dan Bisnis Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54066/jkb.v2i1.1556

The program This education mentoring program is an ongoing effort in which different stakeholders work together to achieve the goal of better education for the community. for the Community The school curriculum based on the project of strengthening the profile of pencasila learners (P5) has been implemented in the aftermath of the pandemic. It is necessary to provide assistance in making tools to prospective teachers. The condition of teachers in the school The condition of teachers in the school is still only 20% who have understood the implementation of the P5 while the rest still do not understand P5 at all. The purpose of this activity is to provide provisions and assist teachers to be able to develop appropriate learning tools. appropriate learning tools. One of the benefits that teachers get from this mentoring activity is refreshing their knowledge. knowledge refreshing. This benefit has a positive impact and will definitely improve the quality of the school in the future. school in the future

ANALISIS KEMAMPUAN BERPIKIR KRITIS SISWA KELAS XI DALAM MENYELESAIKAN MASALAH PERSAMAAN LINGKARAN DITINJAU DARI KEPRIBADIAN DISC Farisa Nurillah; Sunardi, Sunardi; Suwito, Abi; Yudianto, Erfan
Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika Vol. 6 No. 2 (2023): Matematika dan Pendidikan Matematika: Permasalahan dan Solusinya
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/proximal.v6i2.2853

Berpikir kritis memiliki peranan krusial pada potensi memecahkan persoalan sampai penarikan kesimpulan. Proses berpikir peserta didik dipengaruhi oleh tipe kepribadian yang berbeda. Oleh karena itu, tujuan penelitian ini adalah untuk menganalisis tingkat berpikir kritis siswa dalam menyelesaikan masalah persamaan lingkaran ditinjau dari kepribadian DISC. Penelitian ini merupakan penelitian deskriptif kualitatif. Subjek penelitian ini adalah 4 siswa dari masing-masing tipe kepribadian. Berdasarkan penelitian yang telah dilakukan hanya tipe kepribadian Steadiness dan Compliance yang memiliki kemampuan berpikir kritis sedangkan tipe kepribadian Dominance dan Influence tidak.

Analisis Habits of Mind Siswa Dalam Menyelesaikan Masalah Segi Empat Ditinjau Dari Gaya Kognitif Field Dependent dan Field Independent Wahidah, Nurul; Sunardi, Sunardi; Suwito, Abi; Yudianto, Erfan; Ambarwati, Reza
Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika Vol. 7 No. 1 (2024): Sustainable Development Goal in Mathematics and Mathematics Education
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/proximal.v7i1.3131

Rutinitas cara berpikir siswa saat menangani permasalahan persegi menjadi data utama dalam penelitian kualitatif ini. Siswa kelas VIII SMPN 8 Probolinggo berpartisipasi dalam penelitian ini. Tujuan dari penelitian ini adalah untuk mendeskripsikan proses berpikir siswa kelas VIII SMPN 8 Probolinggo ditinjau dari gaya kognitif field dependent dan field independent dalam penerapannya pada penyelesaian permasalahan persegi. Studi ini menyoroti pentingnya kebiasaan berpikir seperti ketekunan, refleksi pada pemikiran sendiri, fleksibilitas pikiran, dan ketepatan. Penelitian ini menggunakan pendekatan deskriptif kualitatif. Tes dan wawancara dapat digunakan sebagai alat pengumpulan data. Pada tahap persisting, siswa dengan tipe kognitif field dependent dan field independent dapat menilai dengan baik informasi apa yang ada dalam masalah, yang mendukung temuan penelitian. Siswa dengan tipe kognitif yang bergantung pada lingkungan atau field dependent dan tidak bergantung pada lingkungan atau field independent dapat dengan benar menghitung solusi untuk masalah persegi dalam fase "berpikir tentang berpikir" dan "berpikir fleksibel". Siswa dengan gaya kognitif field independent mampu menarik kesimpulan untuk memecahkan masalah, memeriksa kembali pekerjaannya, dan memberikan bukti pendukung bahwa jawabannya benar pada tahap mengupayakan keakuratan proses pembelajaran, sedangkan siswa dengan gaya kognitif field dependent tidak dapat melakukan hal-hal ini.

PROSES BERPIKIR SISWA TUNADAKSA CEREBRAL PALSY DALAM MENDEFINISIKAN BANGUN RUANG GEOMETRI Idhami, Tantri Cahya; Susanto, S; Yudianto, Erfan; Setiawan, Toto Bara; Monalisa, Lioni Anka
Kadikma Vol 9 No 2 (2018): Agustus 2018
Publisher : Department of Mathematics Education , University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/kdma.v9i2.9711

Abstract.The process of thinking is mental activity that experiences disequlibrium, assimilation, accommodation or equilibrium to define, determine decisions and draw conclusions on a geometric problem. The purpose of the study was to determine the thinking process of quadruple cerebral palsy students to define geometric space. This research is a type of descriptive research through a qualitative approach. Data collection methods used are worksheets and interviews. The subject of the study was carried out to 2 students with cerebral palsy who were sitting in class VIII of the Extraordinary Daksa Middle School of the Disabled Children (SMPLB-D YPAC) Kaliwates-Jember. The results showed that both subjects experienced disequilibrium on topic I students' initial knowledge of geometrical space (prisms, beams and cubes), and assimilation on topic II related to similar examples of geometrical space (prisms, beams and cubes), before finally accommodation when paused before answering correctly the questions from the researcher and before retelling the answers that have been written when answering the questions on topic III which is the core of this research, that is knowing the thinking process of students tundaksa cerebral palsy in defining geometric space constructs (beam prisms and cubes). Keywords: The Process of Thinking, Cerebral Palsy Students, Geometry

Co-Authors Abi Suwito Afifi, Rizky Nur Agustiningtyas, Iin Triana Aini, Novi Rosidatul Ambarwati, A Ambarwati, Reza Andini Luluk Nofitarini Annisa Istiqomah Annisa Rahman Navira, Deva Annisatul Maghfiroh Arika Indah Kristiani Bayu Exsanty Aribowo Bayu Exsanty Aribowo Budianto, Trio Rhoma Cahya, Ine Clarita Cahyani, Ika Arum Cahyo, Rahmad Dwi Citra Wahyuningtyas Dewi, Mayra Fadhilla Dewi, Miya Ayu Kumala Dian Kurniati Didik Sugeng Pambudi Didik Sugeng Pambudi Dinar Aulia Wahyuningtyas Dinawati Trapsilasiwi Dita Bachtiar Diyanah, Hidayatud Eric Dwi Putra Ervin Oktavianingtyas Fajar, Fahmi Alan Farisa Nurillah fatmawati, kamila duwi Fazira, Shima Kunaza Febrianto, Eko Yudi Febriyanto, Eko Yudi Febriyanto, Eko Yudi Febriyanto Fiantika, Feny Rita Firmansyah, Frenza Fairuz Habibi, Ahmad Anas Hajar Istiqomah Hayiduerapu, Nihassuna Hermawan, Lendi Ike Hidayat, Siti Holifa Hidayatullah, Arfan Hikam, Fashia Ikhlasul Hikmah Ardiantika Sari Hobri Husain, Muhammad Imam Icha Shofia Karlita Ulfa Idhami, Tantri Cahya Indri Aprilianti Indri Aprilianti Jatmiko, Dhanar Dwi Hary Kamila Duwi Fatmawati Kamila Duwi Fatmawati Karima Salasari Karimah Salasari Karimah Salasari Khumayroh, Alfatikha Anik Lestari, Nurcholif Diah Sri Lioni Anka Monalisa, Lioni Anka Liski Roswita Dinia Luh Putu Indah Budyawati, Luh Putu Indah Lusiana, Fina Yatul Mahmudi, Kendid Manuel, Carlos Maulana, Muhammad Ilzam Misbahul Munir Mutrofin Mutrofin N Nuriman nabilatul hafidhoh Naziroh, Irmu Afin Niken Shofiana Dewi Nila Lestari Nila Lestari Nur Hamidah Nur Hamidah Nur Izzatun Nisa Liliyan Nur Izzatun Nisa Liliyan Nur Safrida, Lela Nurcholif Diah Sri Lestari Nuriani Dewi Novianti Nurmaharani, Rika Nurul Wahidah panglipur, indah rahayu Pirdausia, Noni Seftia Prastika, Sulia Anis Pratika Maharani Pratika Maharani Pratiwi, Gita Adelia Prayoga, Mohammad Evan Prayogo, Gilang Pribadi, Febrianti Priciliya, Sinta Putra, Falih Helmi Wibisono Qomariyah, Dinda Nurul Ramadhani, Ariel Bachtiar Randi Pratama Murtikusuma Rasyid, Irwan Hainur Reza Ambarwati Rika Nurmaharani Rima Dwi Oktaviani Rizka Amalia Febriyanti Rosanggreni, Bunga Yana Rusdiyana, Erine S Suharto S Sunardi S Susanto Saddam Hussen Safrida, Lela Safrida, S.Pd., M.Pd., Lela Nur Sahrita, Titis Sanawi, Ihsan Sandhi, Niluh Shindi Aprilia Saputri, Adillia Natasya Saputri, Risma Rintias Sari, Cindi Septia Sari, Maulifa Yunita Seli Wahyutini Khoiriyah Seli Wahyutini Khoiriyah Sholikhah, Mar’atus Sinta Priciliya Sofi Astri Sofia Novaliyanti Mahmuda Sofia Novaliyanti Mahmuda Solly Aryza Suharto Suharto Suhatini, Percoyo Unggul sulihah, nurfaizah titisari Sunardi sunardi sunardi Sunardi Sunardi Sunardi Sunardi Sunardi Sunardi Sunardi Sunardi Sunardi, Sunardi Suryandari, Nurlayli Dewi Susanto Susanto Susanto Susanto Susanto Susanto Susanto Susanto Susanto Susanto Susanto, Susanto Susi Setiawani Titik Sugiarti Toto Bara Setiawan WIHARDJO, EDY Yufrida Septi Nindya Yunita, Nindya Wulan Zulnaidi, Hutkemri

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