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All Journal Jurnal Daya Matematis NUMERICAL (Jurnal Matematika dan Pendidikan Matematika) Jurnal Pendidikan Informatika dan Sains Juring (Journal for Research in Mathematics Learning) Formatif: Jurnal Ilmiah Pendidikan MIPA Justek : Jurnal Sains Dan Teknologi Teorema: Teori dan Riset Matematika Lectura : Jurnal Pendidikan Jurnal Basicedu Didaktik : Jurnal Ilmiah PGSD STKIP Subang JagoMIPA: Jurnal Pendidikan Matematika dan IPA Indo-MathEdu Intellectuals Journal Journal of Advanced Sciences and Mathematics Education Jurnal Pendidikan Jompa Indonesia Journal of Educational Sciences Jurnal Basicedu Prima Magistra: Jurnal Ilmiah Kependidikan International Journal of Trends in Mathematics Education Research (IJTMER) JME (Journal of Mathematics Education) Walada: Journal of Primary Education GEMBIRA (Pengabdian Kepada Masyarakat) International Journal of Teaching Jurnal Inovasi Pendidikan dan Pengajaran JME (Journal of Mathematics Education)

Dewi Risalah

Universitas PGRI Pontianak

Author-ID : 2828970

Religion Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Physics Social Sciences Other

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Analisis Kemampuan Spasial Siswa Pada Materi Geometri Kelas VII Khofifah Khofifah; Dewi Risalah; Sandie Sandie
Jurnal Pendidikan Jompa Indonesia Vol 1 No 1 (2022): JUPENJI: Jurnal Pendidikan Jompa Indonesia
Publisher : Yayasan Jompa Research and Development

Tujuan dari penelitian ini adalah untuk melihat kemampuan spasial yang dimiliki siswa kelas VII dalam menyelesaikan soal geometri. Metode deskriptif dengan jenis penelitian kualitatif adalah jenis penelitian yang digunakan. Penelitian dilakukan di SMP Negeri 3 Pontianak dengan subjek penelitian adalah siswa kelas VII yang dipilih berdasarkan tingkat kemampuan siswa. Siswa berjumlah 6 orang dengan kemampuan tinggi, sedang, dan rendah. Teknik analisis data yang digunakan adalah dengan memberikan tes kepada siswa, dimana jika siswa menjawab benar skor yang didapat adalah 1, dan jika menjawab salah skor siswa adalah 0. Prosedur penelitian terdiri dari 3 tahap diantaranya tahap persiapan, tahap pelaksanaan, dan tahap akhir. Hasil yang diperoleh dalam penelitian disimpulkan bahwa siswa dengan kemampuan tinggi memiliki kemampuan spasial yang baik disbanding siswa kemampuan sedang dan rendah dan Spatial Visualization merupakan kemampuan yang baik yang dimiliki oleh siswa dibandingkan kemampuan yang lain.

EKSPLORASI ETNOMATEMATIKA DALAM SISTEM PERLADANGAN PADA BUDAYA SUKU DAYAK NANGA MAHAP Jeni Stefvia; Dewi Risalah; Sandie Sandie; Saiful Bahri; Emi Tipuk Lestari
Teorema: Teori dan Riset Matematika Vol 7, No 2 (2022): September
Publisher : Universitas Galuh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25157/teorema.v7i2.7935

Tujuan dari penelitian ini adalah untuk mendeskripsikan hasil eksplorasi etnomatematika dalam sistem perladangan suku Dayak Nanga Mahap. Metode penelitian ini menggunakan metode deskriptif dan jenis penelitian ini adalah penelitian kualitatif dengan pendekatan etnografi. Penelitian ini mendeskripsikan sistem perladangan yang digunakan suku Dayak Nanga Mahap yang dalam prosesnya memuat konsep matematika dalam kehidupan sehari-hari. Hasil eksplorasi menunjukkan bahwa pada sistem perladangan suku Dayak Nanga Mahap terdapat konsep matematika yang dapat dijadikan pembelajaran di sekolah sebagai pengetahuan dan pengenalan budaya pada siswa.

Strengthening Students on Materials for the Rice Cultivation System (Beume) of the Nanga Mahap Village Community in the Covid-19 Pandemic Era Emi Tipuk Lestari; Melly Sulastri; Saiful Bahri; Sandie; Dewi Risalah
Lectura : Jurnal Pendidikan Vol. 13 No. 2 (2022): Lectura: Jurnal Pendidikan
Publisher : Fakultas Keguruan dan Ilmu Pendidikan (FKIP), Universitas Lancang Kuning

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/lectura.v13i2.10049

This study aims to support students on the material of the rice cultivation system (beume) of the Nanga Mahap Village community. The sub-objectives of this research are (1) the material for the cultivation system of the Nanga Mahap Village community, (2) the implementation of the teacher in explaining the material, (3) strengthening students on the material for the rice cultivation system (beume). This research uses a descriptive method. Samples were taken by purposive sampling technique. Data were collected by direct observation, direct communication, and documentation. The analysis used is descriptive qualitative. The results of the research show: (1) The people of Nanga Mahap Village refer to rice farming activities as beuma/beume. This farming tradition is traditional with a slash and burn system and then planting rice. (2) The implementation of the teacher in delivering lecture material and assignments. The assignment is in the form of students doing simple research on the farming system around their environment and inviting students to construct with cultivation in prehistoric times. (3) strengthening the rice cultivation system (beume) in the form of students' understanding of the material which is quite good, which is indicated by the active involvement of students in learning. This material makes students think contextually between the cultivation system of prehistoric times and the farming system (beume).

Study Etnomatematika Betangker pada Acara Pernikahan di Desa Nanga Mahap Saidati Saidati; Dewi Risalah; Sandie Sandie; Saiful Bahri; Emi Tipuk Lestari
Jurnal Basicedu Vol 6, No 5 (2022): October Pages 7664-9236
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/basicedu.v6i5.3639

Etnomatematika adalah pendekatan matematika melalui unsur budaya. Pendekatan matematika realistik melalui aktivitas nyata dengan unsur budaya khususnya penggunaan bahasa lokal sangat dibutuhkan masyarakat dalam memahami konsep matematika. Budaya mempunyai kaitan yang erat dalam kehidupan masyarakat. Penelitian ini bertujuan untuk mengetahui cara Betangker Terpal (Pembuatan Tenda) dalam acara pernikahan adat Melayu. Penelitian ini bertujuan untuk mengetahui konsep etnomatematika Betangker Terpal (Pembuatan Tenda) H-3 pada acara pernikahan Melayu di Desa Nanga Mahap yang dibuat dengan kayu dan ditutupi menggunakan terpal yang harus diselesaikan hari itu juga. Penelitian ini merupakan penelitian Studi kasus dengan pendekatan kualitatif di mana subjek penelitian adalah informasi yang diambil dari budaya Betangker Terpal (Pembuatan Tenda) pada acara pernikahan Adat Melayu Nanga Mahap, Sekadau, Kalimantan Barat. Pengumpulan data dilakukan dengan metode observasi, wawancara, dokumentasi dan kepustakaan. Observasi dilakukan untuk mengamati kegiatan pernikahan dalam proses Betangker Terpal (pembuatan tenda), wawancara dilakukan dengan masyarakat sekitar, dokumentasi sebagai penguat penelitian serta, study kepustakaan dilakukan untuk menentukan konsep matematika yang berikaitan dengan kegiatan pertunangan sampai pernikahan. Hasil penelitian memperlihatkan bahwa sistem pembuatan betangker pada acara adat pernikahan memasukkan unsur matematis didalamnya. Dengan melalui tessellation (pengukuran), geometri, dan kesesuaian.

PENGEMBANGAN LEMBAR KERJA SISWA BERBASIS PENEMUAN TERBIMBING BERBANTUAN GEOGEBRA PADA MATERI BANGUN RUANG SISI DATAR Eka Setiawati; Dewi Risalah; Dwi Oktaviana
Prima Magistra: Jurnal Ilmiah Kependidikan Vol. 2 No. 1 (2021): Volume 2 Nomor 1 Tahun 2021
Publisher : Program Studi PGSD Universitas Flores

This study aims to produce student worksheets based on geogebra-assisted guided discovery on the material of flat-sided shapes that are valid, practical, and effective. This research is a research on the development of Dick and Carry with 5 stages, namely the stages of Analysis, Design, Development, Implementation, and Evaluation.Valid products are seen from the results of expert validation, practical products are seen from the results of the questionnaire, while effective products are seen from the results of trials. The results of the validation of the experts obtained that the material aspect was declared very valid with a result of 90.59%, while the media aspect was declared very valid with a result of 98.00%. The results of the teacher response questionnaire obtained results of 90.59%, while the results of the student response questionnaires were 93.37% with very practical criteria. The trial results obtained results of 80% with effective criteria where there were 8 students who passed and 2 students who did not complete the minimum passing standard determined by the school was greater than or equal to 70 for mathematics subjects, It can be concluded that geogebra-assisted discovery-based student worksheets are used with very valid criteria, very practical and effective.

Implementation Probing Prompting Learning Model on Students' Mathematical Concepts Understanding Ability and Self Confidence Dewi Risalah; Novia Yulianti; Iwit Prihatin
Numerical: Jurnal Matematika dan Pendidikan Matematika Vol. 7 No. 1 (2023)
Publisher : Institut Agama Islam Ma'arif NU (IAIMNU) Metro Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25217/numerical.v7i1.3066

The model of Probing prompts is learning with the way the teacher presents nature questions, lead, and dig so that student requires the ability to understand and develop draft mathematics in finished question. The purpose of this study is to find out how the application of the probing prompting learning model to the ability to understand mathematical concepts in terms of students' self-confidence in the material Algebraic Forms class VII SMP Negeri 1 Sungai Raya. The method used in this study is an experimental method, with the experimental form used being the Quasy Experimental Design experiment, and the research design is a 2 x 3 factorial design. The population of this study was all grade VII students at SMP Negeri 1 Sungai Raya consisting of 5 classes, with samples of class VIIG and VIIH taken using the Cluster Random Sampling technique. Based on the analysis of the variance of two paths with unequal cells, it was concluded that there is a significant difference in the ability to understand mathematical concepts between probing prompting and conventional learning models regarding self-confidence in the material of algebraic forms.

Mathematics communication as an alternative to overcome the obstacles of undergraduate students in mathematical proof Dewi Risalah; H Hodiyanto
International Journal of Trends in Mathematics Education Research Vol 5, No 2 (2022)
Publisher : SAINTIS Publishing

Experiences at the educational personnel education institution, Department of Mathematics Education Institute of Teacher Training and Education Pontianak (IKIP) shows that students often had difficulty in proving propositions (theorems in mathe-matics). The alternative offered through this study was to develop students' abilities in proof through mathematical communication. The study method used in this study was qualitive research, case study. The subjects used in this study consisted of two un-dergraduate students who had been taught real analysis introductions and. The data collection tool used was tests and interview. Data analysis techniques used was de-scriptions: data reduction, data display and conclusion. Based on the results of re-search, study of theory and discussion, it could be concluded in this study that the student obstacles in answering mathematical proof questions are the students have difficulty in writing mathematical symbolic and inability in mathematical proof. But after being given didactic anticipation by mathematical communication, the ability of students to answer mathematical proof questions has increased. Thus, mathematical communication can be used as an alternative to overcome obstacles or difficulties for students in solving mathematical proof problems.

EXPLORATION OF MATHEMATICAL OBJECTS IN THE BALALE TRADITION AS AN EFFORT FOR MODULING IN THE DAYAK SALAKO CULTURE AT NYARUMKOP Dewi Risalah; Vlorenta Prisilla Wiwin; Yudi Darma
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.v8i1.1953

This study aims to explore mathematical objects in the Balale’ tradition of the Dayak Salako tribe in Nyarumkop Village and then integrate them into the Creation of Culture-Based Modules. The research method used is the ethnographic method, and the type of research used is qualitative. The Balale’ tradition is one of the habits of the Nyarumkop farmers when working the rice fields collectively and in rotation. The Balale’ tradition aims to strengthen relations between communities, because the community works together in the fields to complete tasks such as clearing land, planting rice, clearing grass, and harvesting rice. The results of the study show that the Balale’ tradition has a direct mathematical object in the form of facts that lie in the people who join the lale’an members, the concept lies in the process of working the rice fields which are carried out in turns, the principle lies in the mindset of the community in carrying it out and the skills lies in the work technique of each member of Lale’an. This research also contains indirect mathematical objects in the form of discipline shown by Lale’an members in carrying out this tradition. Then it is mathematically integrated into the creation of a culture-based SPLDV Module using mathematical concepts.

Pengembangan Media Pembelajaran Berbasis Powtoon Bermuatan Karakter terhadap Kemampuan Berpikir Kritis pada Materi Sistem Persamaan Linear Dua Variabel Dewi Safariani; Muchtadi Muchtadi; Dewi Risalah
Indo-MathEdu Intellectuals Journal Vol. 4 No. 2 (2023): Indo-MathEdu Intellectuals Journal
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v4i2.336

This study aims to produce powtoon-based learning video learning media to improve students' critical thinking skills in class VIII two-variable linear equation system (SPLDV) material at SMPN 2 Putussibau which achieves a level of validity, practicality, and efficiency. This research method uses research and development involving 3 material validator experts and 3 media validator experts. The subjects of this study were grade VIII students of SMPN 2 Putussibau totaling 14 students. Data collected validation sheets, student response questionnaires, teacher response questionnaires, and tests of students' critical thinking skills. The results of this study showed that the learning video media assessed validity 86% (very valid), practical assessment 84% (very practical) and effectiveness assessment 85.7% (very effective). So, it can be stated that animated videos are suitable to be used as learning media for grade VIII SMPN 2 Putussibau regarding the subject of Two Variable Linear Equation System (SPLDV).

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25217/numerical.v7i1.3066

Co-Authors Al-Iman Nuryadin Alkia Asis Anastasia Sari Anselmus Anselmus Anuri Dwi Cahyati Buchari C. Sri Hartaty. S Dewi Safariani Dwi Oktaviana Eka Setiawati Elisa, Bella Emi Tipuk Lestari *, Emi Tipuk Lestari Fellya Babaro Fuat Fuat Hariyadi Hariyadi Hidayatul Mazidah Harahap Hodiyanto Iwit Prihatin Jamilah Jeni Stefvia Jonerri Dikens Khofifah Khofifah Lasmi, Lasmi Leli Hasanah Lubis Liza Liza Medlyn Claudyasuka Patari Meilani Meilani Meilania, Hendrika Melly Sulastri Muchtadi Norelia Novi Novia Yulianti Raden Sri Ayu Ramadhana Reni Astuti Riska Dwita Rizki Kurniawan Rangkuti Safuan Safuan Safuan Saidati Saidati Saiful Bahri Sandie Sangkot Idris Ritonga Siti Ananda Saptiandini Surya Sari Faradiba Syarifah Fadilah Syarifah Fadillah Utin Desy Susiaty Vlorenta Prisilla Wiwin Wardatun Nabilah Widjajanti, Kristina Yeni Welasari Yudi Darma

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