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Tatag Yuli Eko Siswono

Department Of Mathematics Education, Universitas Negeri Surabaya, Indonesia

Author-ID : 382372

Religion Agriculture, Biological Sciences & Forestry Arts Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Public Health Social Sciences Other

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Teachers' and students' beliefs in mathematics at State Senior High School 5 Semarang Muhtarom, Muhtarom; Juniati, Dwi; Siswono, Tatag Yuli Eko; Rahmatika, Ismi
Jurnal Riset Pendidikan Matematika Vol. 5 No. 1: May 2018
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Negeri Yogyakarta

The aim of this research was to discover the relationship between teachers' and students' beliefs in mathematics. The sample consisted of two mathematics teachers, twenty eight students from 10th grade natural science 6 (X IPA 6) and twenty eight students from 10th grade natural science 10 (X IPA10) at state senior high school 5 Semarang. The data were collected from questionnaires and guided interviews on beliefs about mathematics. The research results showed that both of the mathematics teachers had platonist beliefs. It was found specifically that 4.76% of students in class X IPA 6 consistently had instrumentalist beliefs, 85.71% were consistent with their platonist beliefs, and 9.52% consistently had problem solving beliefs; while in class X IPA 10, 4.76% consistently showed instrumentalist beliefs, 80.95% were consistent with their platonist beliefs, and 14.29% consistently had problem solving beliefs. This indicates that there is a relationship between teachers' and students' beliefs, namely the tendency towards platonist beliefs; and also that the teacher's beliefs influence the student's beliefs.

Kemampuan Berpikir Kreatif Siswa SMP dalam Menyelesaikan Masalah Kontekstual Pada Materi SPLDV Berbantuan Geogebra Ayu Wulandari, Hilaria Yesieka; Siswono, Tatag Yuli Eko
JURNAL PEMBELAJARAN DAN MATEMATIKA SIGMA (JPMS) Vol 10, No 1 (2024)
Publisher : Fakultas Keguruan dan Ilmu pendidikan (FKIP) Universitas Labuhan Batu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpms.v10i1.5569

Penelitian ini bertujuan untuk mendeskripsikan kemampuan berpikir kreatif siswa dalam menyelesaikan masalah kontekstual yang berkaitan dengan SPLDV berbantuan Geogebra. Penelitian ini merupakan penelitian kualitatif dengan menggunakan metode studi kasus dengan tujuan untuk mampu memahami secara intensif serta memahami hal yang berkaitan dengan kemampuan berpikir kreatif secara lebih mendalam. Subjek dalam penelitian ini terdiri dari tiga orang siswa kelas VIII SMP dengan kemampuan awal SPLDV tinggi, sedang, dan rendah. Instrumen yang digunakan dalam penelitian ini berupa soal tes kemampuan awal SPLDV, tes kemampuan berpikir kreatif dengan Geogebra, serta pedoman wawancara. Soal tes berpikir kreatif terdiri dari 4 poin soal untuk mengukur indikator fluency, flexibility, dan novelty yang diselesaikan dalam waktu 45 menit. Hasil penelitian menunjukkan bahwa siswa dengan kemampuan tinggi tergolong dalam kategori sangat kreatif (TKBK 4) karena mampu memenuhi indikator fluency, flexibility, dan novelty. Siswa dengan kategori tinggi cenderung mampu memberikan berbagai alternatif jawaban serta mampu menggunakan berbagai strategi baru yang logis dalam menyelesaikan masalah. Siswa dengan kemampuan sedang tergolong dalam kategori kreatif (TKBK 3) karena mampu memenuhi indikator fluency dan novelty. Siswa dengan kategori sedang mampu untuk memberikan berbagai alternatif jawaban walaupun belum seluruhnya tepat dan mampu menunjukkan alternatif lain yang sebelumnya belum pernah digunakan. Sementara, siswa dengan kemampuan rendah tergolong dalam kategori kurang kreatif (TKBK 1) karena hanya mampu memenuhi indikator fluency. Siswa dengan kategori rendah ini mampu menunjukkan berbagai alternatif jawaban dengan tepat walaupun belum mampu menunjukkan penggunaan strategi yang beragam dalam menyelesaikan masalah.

Pengembangan Media Pembelajaran Berbasis Web (Google Sites) untuk Meningkatkan Keterampilan Berpikir Kritis dan Literasi Digital Siswa Kelas V Sekolah Dasar Dewi Setianingsih; Siswono, Tatag Yuli Eko; Yumiati
ELSE (Elementary School Education Journal) : Jurnal Pendidikan dan Pembelajaran Sekolah Dasar Vol 8 No 2 (2024): AGUSTUS
Publisher : UNIVERSITAS MUHAMMADIYAH SURABAYA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30651/else.v8i2.23179

The increasing use of the internet as a learning resource in the 21st century makes digital literacy important for students to have in addition to critical thinking skills. It is necessary to develop technology-based learning media to support improving critical thinking skills and digital literacy. This research aims to describe the process and results of developing valid, practical, and effective web-based (Google Sites) learning media to improve students' critical thinking skills and digital literacy, describe student activities, and analyze the increase in students' critical thinking skills and digital literacy after using media. This research is development research that refers to the ADDIE development model. The data sources were teachers and fifth grade students at SD Muhammadiyah 8 Surabaya. Data collection procedures use interview, validation, observation, questionnaire and test methods. The data analysis method uses qualitative and quantitative descriptive techniques. The development of web-based (Google Sites) learning media which was carried out in 5 stages namely analysis, design, development, implementation, and evaluation, produced media with the criteria of being very feasible, very practical and effective for use in learning fraction arithmetic operations. Student activities in learning are categorized as very active and there is a significant increase in students' critical thinking skills with an average N-Gain score of 0.52 (medium), as well as an increase in students' digital literacy with an average N-Gain score of 0.56 (medium).

Profil Penalaran Kovariasional Mahasiswa Calon Guru Matematika dengan Gaya Kognitif Field Independent dalam Menyelesaikan Masalah Kovariasi Rahman, Fatchiyah; Juniati, Dwi; Siswono, Tatag Yuli Eko
Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika Vol. 6 No. 1 (2023): Volume 6 Nomor 1 tahun 2023
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/proximal.v6i1.2300

Penalaran kovariasional erat kaitannya dengan masalah hubungan antara dua variabel yang melibatkan kemampuan visual dalam mengkonstruksi grafik. Visualisasi adalah alat penting dalam memecahkan masalah matematika. Pengukuran kemampuan visual spasial dapat dilihat dari gaya kognitif field independent dan field dependent. Penelitian ini bertujuan untuk mendeskripsikan penalaran kovariasional mahasiswa calon guru matematika dengan gaya kognitif field independent dalam menyelesaikan masalah kovariasi. Jenis penelitian ini adalah penelitian kualitatif dengan subjek penelitian mahasiswa calon guru matematika STKIP PGRI Jombang dengan gaya kognitif field independent. Adapun instrumen yang digunakan dalam penelitian ini adalah instrumen utama (peneliti sendiri), dan instrumen pendukung berupa GEFT, TKM, TK dan pedoman wawancara. Data hasil penelitian yang diperoleh dianalisis menggunakan langkah yaitu reduksi data, penyajian data, dan penarikan kesimpulan. Hasil penelitian menunjukkan bahwa mahasiswa calon guru matematika dengan gaya kognitif field independent mengidentifikasi masalah kovariasi melalui menentukan variabel yang terdapat pada masalah kovariasi serta menyusun hubungan antar kedua variabel yang telah ditentukan; mengoordinasi besar perubahan variabel dan menentukan pola perubahannya dengan membagi botol menjadi beberapa bagian untuk menyusun pola perubahannya; mengkonstruksi melalui representasi hubungan dua variabel ke dalam grafik dengan menentukan sumbu koordinat dengan variabel yang diketahui dan menggambar grafik pola perubahan hubungan dua variabel. Dari grafik yang digambarkan, arah grafik dapat ditentukan. Grafik yang dihasilkan sesuai dengan bentuk botol yang diberikan.

Revealing the uniqueness of variations in prospective teachers' metacognitive activities in solving mathematical problems based on gender Ramlah, Ramlah; Siswono, Tatag Yuli Eko; Lukito, Agung
Jurnal Infinity Vol 13 No 2 (2024): VOLUME 13, NUMBER 2, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v13i2.p477-500

A significant amount of scholarly investigation has recently focused on metacognitive activity. However, the examination of metacognitive variations in solving math problems that are still limited in scope. This case study examines gender differences in activity variations of metacognitive activities, specifically awareness, regulation, and evaluation, in prospective teachers solving mathematical problems based on mathematical models. Participants were selected through purposive sampling. Twelve male and sixteen female participants were chosen from those who participated in the 'capita selecta' mathematics course at a public university in West Java, Indonesia. The data were collected through mathematical problem-solving tasks and interviews. The results show that the variations in metacognitive activities between male and female participants are different. Females tend to be more complex and structured in their evaluation activities, while males tend to be more complex and structured in their awareness activities. Based on the results, recommendations are made for future studies.

Berpikir Kritis Siswa Kelompok Homogen dalam Pemecahan Masalah Kolaboratif Materi Lingkaran Rachma Mufidah, Latifah Nuryah; Siswono, Tatag Yuli Eko
MATHEdunesa Vol. 13 No. 1 (2024): Jurnal Mathedunesa Volume 13 Nomor 1 Tahun 2024
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/mathedunesa.v13n1.p94-103

Critical and collaborative thinking are skills that need to be learned in the 21st century. One of the things that can build critical thinking is collaboration. Collaboration is a joint involvement in a coordinated effort to solve problems together through interactions that help each other and understand their tasks to achieve shared goals.The purpose of this study is to describe students' critical thinking in collaborative problem solving of circle material. The type of research used is descriptive research with a qualitative approach. The research subjects were students of SMP Negeri 25 Surabaya grade 8 who were paired with 2 people to solve the problem of circle material. Data collection was conducted in two meetings, one meeting for collaborative problem solving test and one meeting for interview.The results of data analysis show students in homogenous groups of high and high categories can achieve the critical thinking indicators such as interpretation, analysis, inference, evaluation, explanation, and self-regulation and the role of collaboration runs well. The low and low category subjects were lacking in fulfilling the indicators of analysis, inference, evaluation, explanation and self-regulation. The collaborative role of these subjects lacks interaction and there is no exchange of information.

Kemampuan Pemecahan Masalah Kolaboratif Siswa SMP dalam Menyelesaikan Masalah Kontekstual Persamaan Linear Satu Variabel Khoiriyah, Siti; Siswono, Tatag Yuli Eko
MATHEdunesa Vol. 13 No. 3 (2024): Jurnal Mathedunesa Volume 13 Nomor 3 Tahun 2024
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/mathedunesa.v13n3.p674-693

Collaborative problem solving is an important skill to be mastered in education and work. Collaborative problem solving helps reduce the failure of individual problem solving. This type of research is a descriptive qualitative research that aims to describe the collaborative problem solving ability of grade 7 junior high school students in solving contextual problems of linear equations of one variable. The subjects in this study were six students who were divided into two heterogeneous groups, namely: a group of students consisting of one student each with high, medium and low mathematics abilities. The other group consisted of 2 students with low math ability and 1 student with high math ability.The results showed that the high, medium, and low math ability groups were more successful in solving the given problems than the low and high math ability groups. Both heterogeneous groups designed and implemented problem-solving activities fairly well. But for more complex problems, both groups could not solve well. Students with high mathematical abilities in both groups dominated and contributed more to the solution. Medium ability students are encouraged to be actively involved and contribute to problem solving. While students with low ability are more likely to be passive but one of the low ability students in the high and low groups is quite encouraged and contributes enough in problem solving.

The 10th Grade Students' Folding Back Process in Solving Decimal Problem with Field-dependent and Field-independent Cognitive Styles Nuswantoro, Ari Wahyudi; Siswono, Tatag Yuli Eko; Khabibah, Siti
Journal of Mathematical Pedagogy (JoMP) Vol. 2 No. 1: December 2020
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jomp.v2n1.p1-7

The purpose of this study was to describe the folding back process of 10th grade students with field-dependent (FD) and field-independent (FI) cognitive styles in solving decimal problems. This research was conducted explorative with a qualitative descriptive approach. The subjects in this study were two students grade X at SMA Al Muslim Surabaya. The subjects chosen based on a different of the FI-FD cognitive style was carried out by giving a cognitive style test, then a group of students with a cognitive style of FI and a group of students with a cognitive style of FD were selected. This results is the GFI subject can determine the definition of a decimal number when presenting a decimal number on a ruler and at that time the GFI subject experiences folding back. Folding back also occurs when the GFI subject determines the size ratio of decimals, decimal number operations and when converting decimal numbers into fractions and percentages. Then for GFD subjects must be given a stimulus first using the original numbers given commas and zeros, then the GFD subject changes his opinion on decimal numbers.Keywords: Folding back, decimal problem, field-dependent (FD), field-independent (FI), cognitive styles

Mathematics Anxiety and Students Creative Thinking Process in Solving Number Patterns Problems Bahrudin, Eko Rahmad; Siswono, Tatag Yuli Eko
Journal of Mathematical Pedagogy (JoMP) Vol. 2 No. 1: December 2020
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jomp.v2n1.p8-17

This research aims to describe students creative thinking process with high and low mathematics anxiety in solving number patterns problems. The research used a descriptive qualitative method. The subject of this research data was 27 students of Junior High School class VIII. The research subjects is one student with the highest levels of creative thinking ability at each level of mathematics anxiety. Data collection techniques used in this research were questionnaires, tests, and interviews. The result data of mathematics anxiety questionnaire were analyzed by summing the scores of each student. Scoring is based on a five-point Like Scale. Data analysis of the results of problem-solving tests refers to the indicators of creative thinking abilties namely fluency, novelty, and flexibility. Interview data were analyzed based on of the creative thinking, namely synthesizing ideas, generating ideas, planning the application of ideas, and applying ideas. The results showed that student with high mathematics anxiety cant understand the purpose of the tests, can only generate one solution idea. Student with low mathematics anxiety productively in generating ideas to solve the problem.Keywords: Creative Thinking Process, Mathematics Anxiety, Number Patterns.

Profile of Collaborative Problem Solving among XI Grade Students in Solving Financial Mathematics Problems Hikmah, Nur Hidayatul; Siswono, Tatag Yuli Eko; Zahri, Mohammad
Journal of Mathematical Pedagogy (JoMP) Vol. 2 No. 2: July 2021
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jomp.v2n2.p82-91

The aim of this research is to describe CPS profile of XI grade students in solving financial mathematics problem. The subject of this research was three pairs of XI grade students which: a pair student consisting of medium-high ability students, a pair student who are both had high ability and a pair student consisting of low-medium ability students. The result showed that a pair student who are both had high ability were able to answer all the question correctly. A pair student consisting of medium-high ability students almost answered all the questions correctly and a pair student consisting of low and medium ability students were unable to answer all the questions correctly. A pair student who are both had high ability and a pair student consisting of medium-high ability students able to design and do problem solving activities well. They also able to work well together when solving the problems. However, a pair student consisting of low-medium ability students unable to design and do the problem solving activities well. They also unable to work well together when solving the problem and tend to work individually. It can be said that based on collaborative problem solving indicators and problem solving result obtained, collaborative problem solving in a pair student who are both had high ability much better than othes.

Co-Authors Abadi ABADI Abadi Abadi Abdul Haris Rosyidi Abdul Haris Rosyidi Abdul Haris Rosyidi ADINDA SURYA PUTRI, NOVIEA AGUNG LUKITO Agung Lukito Ahmad Wachidul Kohar Ain Putri Rustini Ainurrohmah, Indah Ajeng Rara Veronica Alfiati Oktaaviarina Alista Hariyanti Amalina, Ijtihadi Kamilia Amalina, Ijtihadi Kamilia Aminah Ekawati Amirudin, Mochammad Amirudin, Mochammad Anis Shobikhah Aniskurnia Rahmadhani Fajerin Ardiansyah, Dicky Ari Mawanto Arief Budi Wicaksono Armeria Wijaya, Armeria Aryo Andri Nugroho Asma Johan Atik Wintarti Aulia Kholifatul Khasanah Auliya, Ahmad Sulthan AYU SEPTYANI, DWI Ayu Wulandari, Hilaria Yesieka Bahrudin, Eko Rahmad Cahyati, Vania Idelia Ching, Ong Khye Chusnul Fadlilah Defi Imamatus Sholikha Deka Anjariyah Devya, Lenthera Mega Dewi Setianingsih Dini Kinati Fardah Dita, Farah Dovina Meilisa Nur Fadilla Dwi Juniati Dwi Juniati Dwi Juniati Dwi Nur Yunianti DWI SISWANTORO, MAHMUD Ebenezer Bonyah Ekawati , Rooselyna Elvita Novia Dinawati Ely Susanti Endah Budi Rahaju Endang Suprapti Endri Puji Lestari Evangelista Lus Windyana Palupi Evy Novia Nanda Artama Fachry Abda El Rahman FARIHATUS SADIYAH, IHDA Farman FATIMA AZZAHRO, ELOK Fatimatul Khikmiyah Fauzi, Habibillah Achmad Putra Fiangga, Shofan FILLAH FR, ASHDAQ Fitmawati, Entya Esa FITRIYAH, NUR Fitriyani Hali, Fitriyani Fran Susanto Galih Kurniadi Galih Kurniadi HABIB MANAN, MUHAMMAD Hanifah, Mifthaqul Harini, Novita Vindri Heng, Limalin Hikmah, Nur Hidayatul I Ketut Budayasa Ida Dwijayanti Ihsani, Ulynnuha Aulia Ijtihadi Kamilia Amalina Ika Dwi Retnowati Ika Kurniasari Ika Kurniasari Imelda Imelda Imelda Imelda Imelda Imelda Indarasati, Nanda Ayu Ismail Ismail Ismail, Ismail Jamhari Jamhari Jayanti Putri Purwaningrum Julia Ayu Wulandari Kai-Lin Yang Karomah, Syarifatul Kartikawati, Wahyu Khoirun Nisa khusnul khotimah kiki ratnaning arimbi Kurnia Widyaningsih Laikha Sari Lenthera Mega Devya M. Fauzan Asy'ari M. Ulul Albab M. Zaenal Muttaqin MACHMUDAH, AMIROTUL Manuharawati Marpaung, Dian Wahyu Masriyah MASRIYAH Masriyah Masriyah Masriyah Masriyah Masriyah Masriyah Masriyah Masriyah Masriyah Maulida Aulia Mega Teguh Budiarto Meryansumayeka Meryansumayeka Mochammad Amirudin Moh. Hafiyusholeh Mudinillah, Adam Muh. Rizal Muhamad Alfian Efendi Muhammad Arif Fathoni muhtarom Muhtarom Muhtarom Muhtarom Murwaningsih, Wuri Indah Nabilah Kartika Sukmawati Nanda Ayu Indarasati Nanik Kurnia Sugiarti Ndayizeye, Oscar Neni Mariana Noerdiana, Azizah Firdha Nurdin Nurdin Nurul Laili Nuswantoro, Ari Wahyudi Nyimas Aisyah Oktaviana Ainun Ratnawati Oktaviana Ainun Ratnawati Oktaviana, Dwi Livia Pertiwi, Rizky Dian Pradnyo Wijayanti Putra, Misel Rajasyah Hadi Putri Dwi Naryaningsih Rachma Mufidah, Latifah Nuryah Rahaju, Endah Budi Rahman, Fatchiyah Rahmatika, Ismi Ramlah Ramlah Ramlah Ramlah Ratna Sari Dewi Ria Pusvita Sari Rini Setianingsih Rita Lefrida Rooselyna Ekawati ROYHAN, MUHAMMAD Rusydah Kamilah SANDI SETIAWAN, ARI Savirra Tazkia Sendi Ramdhani Setia Putri Ayu Ramadani Setianingsih, Rini Sipayung, Tetty Natalia Siti Khabibah Siti Khoiriyah Siti Maghfirotun Amin Siti Mistima Maat Siti Munawaroh Sri Wahyuni Sugi Hartono Sugi Hartono Sugi Hartono, Sugi Suhendra Panca Wardhana Susanto, Fran Sutinah Syafiul Muzid Syamsu Alam SYAMSU ALAM Syarifatul Maf’ulah Syifa'uliyah, Syifa’uliyah Syifa’uliyah Syifa'uliyah tazkia, savirra Tri Dyah Prastiti Tri Rezeki, Irma Setiawati Tria Bitara Ucu Rahayu Ulul Azmi Uripno, Gusti Uswatun Hasanah Uzlifatul Hasanah Uzlifatul Hasanah Vania Idelia Cahyati Wahyuni, Anik Sri Wiryanto Wiryanto Wiryanto Wiryanto Wiryanto Wiryanto Wiryanto Wiwik Andriani Wulan Puspitasari Wulandari, Hilaria Yesieka Ayu Wuri Indah Murwaningsih Yatim Riyanto Yulia Puji Astuti Yumiati YUSUF FUAD Zahri, Mohammad Zulnaidi, Hutkemri

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