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Subanji Subanji

Universitas Negeri Malang

Author-ID : 2388527

Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Library & Information Science Mathematics Neuroscience Physics Social Sciences Other

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Analisis praktek pembelajaran daring persamaan garis lurus berbantuan media geogebra melalui google sites Muhammad Ainur Rizqi; Subanji Subanji
AKSIOMA : Jurnal Matematika dan Pendidikan Matematika Vol 12, No 1 (2021): AKSIOMA: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/aks.v12i1.7621

Penelitian ini bertujuan untuk menganalisa pembelajaran daring persamaan garis lurus berbantuan media geogebra melalui google site. Metode yang digunakan adalah deskriptif kualitatif. Data penelitian diperoleh berdasarkan respon pembelajaran siswa pada setiap pertemuan, wawancara dengan guru, dan angket refleksi pada akhir pertemuan. Penelitian dilakukan di kelas 8B MTsN 1 Kota Malang dengan 32 siswa. Hasil penelitian menunjukkan siswa yang memberikan respon dengan baik, telah melalui tahap pemberian rangsang, pengumpulan data, pengolahan data, pengujidan, dan pemberikan kesimpulan dengan baik. Sementara siswa yang memberikan respon kurang memuaskan telah melakukan tahap pemberian rangsang dan pengambilan kesimpulan dengan baik, namun tidak melakukan tahap menyatakan masalah, mengumpulkan data, dan pengolahan data. Selain itu siswa yang memberikan respon dengan baik pada pertemuan pertama sebanyak 31%, pada pertemuan kedua 63%, pada pertemuan ketiga 22%, dan pada pertemuan keempat 9%. Penurunan respon siswa dipengaruhi oleh tingkat stres dan banyaknya tugas sebesar 57%, serta ketidakmampuan siswa mengoperasikan geogebra dengan baik 31%.

Proses berpikir siswa dalam penyelesaian soal persamaan kuadrat dengan informasi yang kontradiksi Ruli Andriani; Toto Nusantara; Subanji Subanji; Abdur Rahman As'ari
AKSIOMA : Jurnal Matematika dan Pendidikan Matematika Vol 11, No 2 (2020): AKSIOMA: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/aks.v11i2.5996

AbstrakPada era 4.0 dan abad ke-21 kegiatan pembelajaran membutuhkan keterampilan berpikir kritis dan penyelesaian masalah untuk mencapai tujuan yang diinginkan. Jenis penelitian yang digunakan dalam penelitian ini adalah penelitian kualitatif dengan pendekatan deskriptif. Penelitian ini bertujuan untuk mendeskripsikan proses berpikir siswa dalam menyelesaikan soal dengan informasi yang kontradiksi. Partisipan pada penelitian ini adalah siswa kelas XII MA Unggulan Mamba’ul Huda. Instrumen pada penelitian ini menggunakan soal non rutin dengan informasi yang kontradiksi dan pedoman wawancara mendalam. Hasil penelitian ini menunjukkan proses berpikir siswa yang dapat menyelesaiakan soal dengan informasi yang kontradiksi yaitu dengan mengikuti langkah-langkah sebagai berikut: (1) understanding the problem (2) devising the plan (3) carrying the plan, dan (4) looking back. Dan proses berpikir siswa yang tidak dapat menyelesaikan soal dengan informasi yang kontradiksi melakukan langkah (1) understanding the problem dan (2) devising the plan. Pada langkah (3) carrying the plan dilaksanakan tetapi tidak sempurna dan untuk langkah (4) looking back tidak dilakukan.Kata kunci: proses berpikir; penyelesaian masalah; soal dengan informasi yang kontradiksi

Konflik Kognitif Internal Siswa dalam Menyelesaikan Masalah Matematika Ditinjau dari Proses Asimilasi Akomodasi Ratnah Lestary; Subanji Subanji; Rustanto Rahardi
Numerical: Jurnal Matematika dan Pendidikan Matematika Vol. 2 No. 2 (2018)
Publisher : Institut Agama Islam Ma'arif NU (IAIMNU) Metro Lampung

This study aims to describe the internal cognitive conflicts that occur to students when they were solving mathematics problems. There were two participants in this research. They were 7th grade students from SMPN 1 Malang. The first participant was a student who has experienced internal cognitive conflicts and has capability to resolve it as well as the mathematics problems. Meanwhile, the second participant was a student who has experienced internal cognitive conflict but cannot resolve that conflict and also the mathematics problems. This research was used descriptive qualitative. The data of this study was gathered from studentsâ€™ test on cognitive conflict and interview which was adapted from Newman's interview procedure. It was found that, the students who are able to find a relationship between the ratio of the number of workers and the number of chairs produced in a day, have capability to resolve their cognitive conflicts so that it brings them to the right problem solving. Meanwhile, the students that fail to build a relationship between the comparison concepts with mathematics problems and fail to find the relation between the numbers of people with the number of chairs in one day can not resolve the cognitive conflict so that they solve the problems in the wrong ways.

Analisis Kesalahan Siswa dalam Menyelesaikan Masalah Open Ended Berdasarkan Teori Newman Nabilah Mansur; Subanji Subanji
Al Hikmah: Journal of Education Vol 2, No 1 (2021): Al Hikmah: Journal of Education
Publisher : Lembaga Pendidikan Hikmatun Najah Blora

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54168/ahje.v2i1.28

Analysis Of Students’ Error In Solving Problems Of An Open Ended Based On The Newman Theory. Abstract is The purpose of this research is to describe the types of students’ errors and find out the number of errors committed by students on each type of error in resolving the open ended problems. Classify the type of error based on Newman theory, which are error reading, understanding, transformation, process skills, and error writing answers. The subject of this research is from 30 students of VIII grade of SMPN 24 Malang. This research using data test collection techniques which is an open ended question on statistical material and interviews to obtain additional data. Data analysis was done by reduction, presentation, and conclusion. The result of the analysis obtained that the students’ error are reading errors, errors of understanding, transformation’s errors, process skills’ errors, and write response’s errorsPenelitian ini bertujuan untuk mendeskripsikan tipe-tipe kesalahan siswa dan mengetahui banyaknya kesalahan yang dilakukan siswa pada tiap tipe kesalahan dalam menyelesaikan masaalah open ended. Pengklasifikasian tipe kesalahan berdasarkan teori Newman, yaitu kesalahan membaca, memahami, transformasi, keterampilan proses, dan kesalahan penulisan jawaban. Subjek penelitian ini adalah siswa kelas VIII SMP Negeri 24 Malang yang berjumlah 30 orang. Penelitian ini menggunakan teknik pengumpulan data berupa tes yaitu soal open ended pada materi statistika dan wawancara untuk memperoleh data tambahan. Analisis data dilakukan dengan reduksi, penyajian, dan penyimpulan. Hasil analisis didapatkan bahwa kesalahan yang dilakukan siswa adalah kesalahan membaca, kesalahan memahami, kesalahan transformasi, kesalahan keterampilan proses, dan kesalahan penulisan jawaban.

Pemahaman Siswa Tentang Equal Sign dalam Menyelesaikan Tugas Matematika Setiawan Budi Sartati; Subanji Subanji; Sisworo Sisworo
Jurnal Penelitian dan Pengkajian Ilmu Pendidikan: e-Saintika Vol. 2 No. 1 (2018): December
Publisher : Lembaga Penelitian dan Pemberdayaan Masyarakat (LITPAM)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/e-saintika.v2i1.80

[Title: The Students' Understanding of Equal Sign in Completing Mathematics Tasks]. This study aims to describe the student's understanding of the equal sign to solve mathematical tasks. This study was included in the qualitative descriptive study. In this study, the data collected is the data of student’s work and verbal data (the interview). The subjects were six students of 7th class of MTs Attariqie Malang 2014/2015 (Junior High School), with details of two high-ability students, two students capable of being, and two low-ability students. Students' understanding of the equal sign examined further by providing tests and interviews in six research subjects. Interviews were conducted individually after the students work on the problems individually. The mathematical task load arithmetic and algebra problems. Based on the results of the study, all subjects were able to understand the equal sign as operational and the equal sign as a substitution. For equal sign as the basic relational, only high-ability students were able to understand it. Understanding of medium and low student capable entrenched in the operational pattern that is an equal sign as operational cause confusion to understanding equal sign as the basic relational, eg, 14+11=25+8 where students only pay attention to the results of operations that 14 plus 11 is 25 without notice relation of the addition of 8.

UPAYA MENINGKATKAN HASIL BELAJAR PESERTA DIDIK PADA SPLIT CLASS MELALUI PEMBELAJARAN LANGSUNG BERBANTUAN VIDEO INTERAKTIF TURUNAN Laily Wijayanti Utami; Subanji Subanji
SIGMA Vol 7, No 1 (2021): SIGMA
Publisher : Prodi Pendidikan Matematika FKIP Universitas Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53712/sigma.v7i1.1125

Pandemi covid-19 telah memaksa SMA Negeri 5 Pamekasan untuk menyesuaikan pola pembelajaran, separuh kelas mengikuti pembelajaran tatap muka di sekolah dan separuhnya lagi mengikuti pembelajaran daring dari rumah, yang disebut split clas. Penelitian ini bertujuan mendeskripsikan pembelajaran langsung berbantuan video interaktif turunan yang dapat meningkatkan hasil belajar. Penelitian ini dilakukan dalam 2 siklus, masing-masing siklus berisi tahap persiapan, pelaksanaan, observasi dan refleksi. Subjek penelitian ini adalah 26 peserta didik kelas XI MIPA 1 SMA Negeri 5 Pamekasan. Hasil penelitian menunjukkan bahwa pembelajaran langsung berbantuan video interaktif turunan yang meningkatkan hasil belajar materi turunan dilakukan dengan langkah: (1) Menyampaikan tujuan dan mempersiapkan peserta didik (2) Mendemonstrasikan pengetahuan dan keterampilan dengan video pembelajaran interaktif turunan (3) Membimbing pelatihan dengan LKPD terbimbing (4) Mengecek pemahaman dan memberikan umpan balik dan (5) Memberikan kesempatan untuk pelatihan lanjutan dan penerapan. Dari penerapan pembelajaran langsung berbantuan video pembelajaran turunan, persentase ketuntasan belajar peserta didik mengalami peningkatan dari siklus 1 ke siklus 2 dari 65,2% menjadi 86,9 % , 2 sedangkan persentase hasil observasi ketercapaian pelaksanaan pembelajaran mengalami peningkatan sebesar 15% dengan kriteria pada masing-masing siklus bernilai sangat baik

Using APOS Theory Framework: Why Did Students Unable To Construct a Formal Proof? Syamsuri Syamsuri; Purwanto Purwanto; Subanji Subanji; Santi Irawati
International Journal on Emerging Mathematics Education IJEME, Vol. 1 No. 2, September 2017
Publisher : Universitas Ahmad Dahlan

Mathematical thinking is necessary in mathematics learning especially in college level. One of activities in undergraduate mathematics learning is proving. This article describes students' thinking process who unable to construct mathematical formal proof. The description uses APOS Theory to explore students' mental mechanism and students' mental structure while they do proving. This research is qualitative research that conducted on students majored in mathematics education in public university in Banten province, Indonesia. Data was obtained through asking students to solve proving-task using think-aloud and then following by interview based task. Results show that the students could not construct a formal proof because they unable to appear encapsulation process. They merely enable to think interiorization and coordination. Based on the results, some suitable learning activities should designed to support the construction of these mental mechanism.

Diagnosis Kesulitan Siswa dalam Menyelesaikan Masalah Geometri-PISA Melalui Pemetaan Kognitif dan Upaya Mengatasinya dengan Scaffolding Agung Prasetyo Abadi; Subanji Subanji; Tjang Daniel Chandra
MENDIDIK: Jurnal Kajian Pendidikan dan Pengajaran Vol 3 No 1 (2017)
Publisher : Universitas Mathla'ul Anwar Banten

This study, thus, has unveiled the students’ difficulties in solving PISA-geometry problems and some efforts to face them through scaffolding. This research use qualitative approach. The student were given the problems of PISA-geometry then 6 student were choosen as the subject of study. The data were got from the results of the students’ work PISA-geometry was conducted, involving: understanding of problems, associating the problems with the concept having been taught especially Pythagorean theorem, calculating multiplication of decimals, simplifying the problems, elaborating the skecth, and deciding strategies of problem solving. Scaffolding conducted by researches is refers to scaffolding Anghilari level 2 (explaining, reviewing and restructuring).

Analisis Kemampuan Literasi Matematika Peserta Didik pada Materi Program Linear dalam Pembelajaran Daring Risa Utaminingsih; Subanji Subanji
ANARGYA: Jurnal Ilmiah Pendidikan Matematika Vol 4, No 1 (2021)
Publisher : Universitas Muria Kudus

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24176/anargya.v4i1.5656

Mathematical literacy skills indicate an individual's capacity to formulate, employ, and interpret and evaluate mathematics. Mathematical literacy skills are in line with numeracy skills which are an important component in solving problems in everyday life. The purpose of this study is to describe achievement of mathematics literacy skills in terms of aspects of the mathematical process in subject linear programming in online learning. This research is qualitative research with a descriptive approach. The data was collected by means of tests of mathematical literacy skills and interviews. The research subjects were 16 students of class XI MIPA 2 SMA Negeri 1 Gresik in the academic year 2020/2021. The results of this study in “Jajanan Tradisional” problem obtained an average score of formulate, employ, and interpret and evaluate are 89%, 68%, and 48%; whereas in “Gizi” Problem the average formulate’s score was 73%, employ’s score was 51%, and interpret and evaluate’s score was 21%. The achievement of students mathematical literacy test scores in “Jajanan Tradisional” problem was higher than students mathematical literacy test scores in “Gizi” Problem. Most of the students had not used diagrams, graphs and mathematical constructs, and took mathematical information from them. Most students only interpret mathematical results back to the real-world context without analyzing mathematical conclusions that make sense or not to the context of the problem, do not check the boundaries of mathematical concepts and mathematical solutions, and do not identify the limitations of the models used to solve problems.

Analisis Pemahaman Operasi Bentuk Aljabar Siswa SMP Berdasarkan Level Kecerdasan Emosional Putri Ariningtyas; Subanji Subanji; I Nengah Parta
Jurnal Cendekia : Jurnal Pendidikan Matematika Vol 5 No 3 (2021): Volume 5 Nomor 3 Tahun 2021
Publisher : Mathematics Education Study Program

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/cendekia.v5i3.891

Penelitian ini bertujuan mendeskripsikan pemahaman operasi bentuk aljabar siswa SMP berdasarkan level kecerdasan emosional. Penelitian deskriptif dengan teknik pengambilan subjek purposive sampling dilaksanakan di SMPN 1 Malang pada 30 siswa kelas VII-H. Instrumen yang digunakan angket kecerdasan emosional dan lembar tes. Untuk mendeskripsikan secara kualitatif maka diambil tiga siswa yang diambil berdasarkan pengisian angket kecerdasan emosional, hasil pengerjaan tes serta rekomendasi guru. Pemahaman konseptual dan prosedural siswa tiap level yaitu, siswa level kecerdasan emosional tinggi memiliki pemahaman bentuk aljabar baik, siswa level kecerdasan emosional sedang memiliki pemahaman cukup baik tetapi belum mampu melakukan operasi bentuk aljabar, sedangkan siswa kecerdasan emosional rendah memiliki pemahaman kurang baik karna belum mampu menyatakan ulang konsep, serta melakukan operasi bentuk aljabar.

Co-Authors Abdul Haris Rosyidi Abdur Rahman As’ari Abdur Rohim Abdur Rohim, Abdur Abdurrahim Arsyad Afin Nur Latifa Agung Prasetyo Abadi Agus Prianto Ahmad Farid Haebah Akbar Sutawidjadja Akbar Sutawidjaja Akbar Sutawidjaja, Akbar Alhikma, Nur Alaviyah Alif Mudiono Alip Rahmawati Zahrotun Nisak Alyani, Nabila Nur Amalia Silwana Ana Fitriah ANDRIANI, RULI Anggraini Dwi Ikhwani Anggraini, Elisa Annisa Andika Karisa Ari Kusuma Sulyandari Aribowo, Bayu Exsanty Arif Rahman Hakim Arifah Adlina Rashahan Astuti, Ririn Novia Atiqa Firdaus Aulia Nadia Sari Barep Yohanes Bhakti Setya Budi Budi, Bhakti Setya Cholis Sa’dijah Chusnul Ma'rifah Chusnul Ma'rifah Daroini, Mustain Bagus Deni Hamdani Desi Rahmadani Dian Kurniati Didimus Nuham, Didimus Dimas Femy Sasongko Dwiyana Dwiyana Dwiyana Dwiyana Dyah Ayu Pramoda Wardhani Dyah Triwahyuningtyas Dyah Triwahyuningtyas Edy Bambang Irawan Eka Resti Wulan Eko Waluyo Elli Kusumawati Endang Trinoviawati Erry Hidayanto Evidiasari, Serli Fadhil Zil Ikram Feriyanto Feriyanto Feriyanto Feriyanto HAFIIZH, MOCHAMMAD Hamdani, Deni Hamdani, Deni Hery Susanto Hery Susanto Hidayati, Vivi Rachmatul I Gusti Agung Shomia Anjali I Ketut Suada I Made Sulandra I Nengah Parta Iffanna Fitrotul Aaidati Ika Santia Imam Rofiki Indah Syafitri T Indriati Nurul Hidayah Intan Sari Rufiana Ipung Yuwono Iqbal Ramadani Irawati, Santi Irna Natalis Sanit Isfina Adiyah Ishmatul Maula, Ishmatul Ismatul Maula Jennah, Mufliatul Kadek Adi Wibawa Karolin Natalia T Khair, Muhammad Sa'duddien Khalimatus Syuhriyah Laelinatul Choeriyah Laelinatul Choeriyah Laily Wijayanti Utami Lamowa, Rachmad Abubakar Lestary, Ratnah Lydia Lia Prayitno Makbul Muksar Malik, Fatus Atho'ul Manyunu, Muhamatsakree Martha Lestari Mega Fatimah Rosana Miftachus Sururoh Mohammad Dadan Sundawan Mufidha, Nurul Muhamatsakree Manyunu Muhammad Ainur Rizqi Muhammad Irfan Muhammad Irfan Muksar Makbul Muniroh Novisa Nabilah Mansur Nathasa Pramudita Irianti Nathasa Pramudita Irianti, Nathasa Pramudita Netti, Syukma Netti Syukma Ningtyas, Yoga Dwi Windy Kusuma Ninik Mutianingsih, Ninik Novi Nurhayati Novisa, Muniroh Nur Fitri Amalia Nur Hasan Nur Indah Permata Sari Nurul Mufidha Nury Azkiya Umamy Permadi, Hendro Puguh Darmawan Punaji Setyosari Purwanto Purwanto Purwanto Purwanto Purwanto Purwanto Purwanto Purwanto Purwanto, Purwanto Puspita Ayu Damayanti Putri Ariningtyas Putri, Nanda Azzahra Qohar, Abd. Rashahan, Arifah Adlina Refni Adesia Pradiarti Risa Utaminingsih Rizky Nova Damayanti Ruli Andriani Rustanto Rahardi Sandie Sartati, Setiawan Budi Satriya Adika Arif Atmaja Satriya Adika Arif Atmaja Sa’dijah, Cholish Selfia Putri Selly Meinda Dwi Cahyaningsih Serli Evidiasari Serli Evidiasari Setiawan Budi Sartati Silwana, Amalia Sisworo Siti Salina Mustakim Sri Mulyati Sri Mulyati Sri Subarinah Sri Untari Stefani Putri Andrianti Suci Yuniati Sudirman Sudirman Sudirman Sudirman Sukorianto Sukorianto Sukoriyanto Suryaningrum, Christine Wulandari Susiswo Sutawdjaja, Akbar Sutawidjadja, Akbar Swasono Rahardjo Swasono Raharjo Swastika, Galuh Tyasing Syamsiar, Syamsiar Syamsul Hadi Syamsuri Syamsuri Syamsuri Syamsuri Syamsuri Syamsuri, Syamsuri Syarifudin Syarifudin Syita Fatih 'Adna Taufiq Hidayanto Tjang Daniel Chandra Toto Nusantara Umamy, Nury Azkiya Umardiyah, Fitri umi faizah Viving Laila Wahyu Santoso Wahyuningtiyas, Kharisma Wardhani, Indah Setyo Wasti Tampi Wasti Tampi Wulan Anindya Wardhani Yandi Raharjo, Eko Yanna Purwitaningsih Yoga Dwi Windy Kusuma Ningtyas Yoggy Febriawan Yunda Devana Tiningsih Yundari, Yundari ‘Adna, Syita Fatih

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