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All Journal AKSIOMA: Jurnal Program Studi Pendidikan Matematika EDU-MAT: Jurnal Pendidikan Matematika JPPM (JURNAL PENELITIAN DAN PEMBELAJARAN MATEMATIKA) JAS-PT Jurnal Analisis Sistem Pendidikan Tinggi Teorema: Teori dan Riset Matematika Math Educa Journal JPMI (Jurnal Pembelajaran Matematika Inovatif) J-PiMat : Jurnal Pendidikan Matematika Mosharafa: Jurnal Pendidikan Matematika ARITMATIKA: Jurnal Riset Pendidikan Matematika Rengganis Jurnal Pengabdian Masyarakat OMEGA: Jurnal Keilmuan Pendidikan Matematika Jurnal Ilmiah Matematika Realistik
Diar Veni Rahayu
Universitas Siliwangi
Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance Education Mathematics Social Sciences Other

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PENGEMBANGAN LEMBAR KERJA PESERTA DIDIK (LKPD) BERBASIS PBL UNTUK MENGEKSPLOR KEMAMPUAN BERPIKIR KRITIS MATEMATIS PESERTA DIDIK Rida Nopiana; Supratman Supratman; Diar Veni Rahayu
EDU-MAT: Jurnal Pendidikan Matematika Vol 14, No 1 (2026)
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/edumat.v14i1.23278

Abstract

Penelitian ini bertujuan untuk menghasilkan produk Lembar Kerja Peserta Didik (LKPD) berbasis PBL untuk mengeksplor kemampuan berpikir kritis matematis peserta didik pada materi penerapan konsep perbandingan trigonometri. Jenis penelitian ini adalah R&D dengan model pengembangan 4D yaitu tahap define, design, development dan dissemination. Validasi produk yang dikembangkan melibatkan ahli materi dan ahli media. Hasil uji validasi yang diberikan kepada para ahli materi dan ahli media berada pada kategori “sangat valid”. Uji kelayakan produk melibatkan guru matematika dan peserta didik dan memperoleh kategori “sangat positif”. Uji keefektifan menggunakan effect size (d) dengan nilai 1,76 sangat efektif untuk mengeksplor kemampuan berpikir kritis matematis. Penelitian ini dilakukan di MAN 5 Tasikmalaya yang melibatkan 18 peserta didik sebagai subjek uji coba dengan objek penelitiannya berupa LKPD berbasis PBL untuk mengeksplor kemampuan berpikir kritis matematis peserta didik. Penelitian ini menghasilkan produk LKPD berbasis PBL yang valid dan efektif untuk mengeksplor kemampuan berpikir kritis matematis peserta didik.   Kata kunci: LKPD, PBL, Kemampuan Berpikir Kritis Matematis Abstract: This research aims to produce a PBL-based Student Worksheet product to explore students' mathematical critical thinking skills in the application of trigonometric comparative concepts. This type of research is R&D with a 4D development model which is the define , design, development and dissemination stages. The validation of the developed product involves subject matter experts and media experts. The results of the validation test given to material experts and media experts are in the "very valid" category. The product feasibility test involved math teachers and students and obtained the "very positive" category. The effectiveness test using effect size (d) with a value of 1.76 is very effective to explore mathematical critical thinking skills. This research was conducted at MAN 5 Tasikmalaya involving 18 students as trial subjects with the object of research in the form of PBL-based student worksheet to explore students' mathematical critical thinking skills. This study produced valid and effective PBL-based student worksheet products to improve students' mathematical critical thinking skills. Keywords: Student worksheet, PBL, Mathematical Critical Thinking Skills
Development of Canva-based Smart Apps Creator Media to Improve High School Students’ Numeric Ability Yuni Nurherliyani; Nani Ratnaningsih; Diar Veni Rahayu
OMEGA: Jurnal Keilmuan Pendidikan Matematika Vol. 4 No. 3 (2025): OMEGA: Jurnal Keilmuan Pendidikan Matematika
Publisher : Program Studi Pendidikan Matematika, Fakultas Keguruan Dan Ilmu Pendidikan, Universitas Alwashliyah Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47662/jkpm.v4i3.1085

Abstract

This research aims to describe the procedures for developing Canva-based digital Smart Apps Creator media and analyze the effectiveness of Canva-based digital Smart Apps Creator media and increasing numeric abilities. The subjects in this research were 21 students class XI SMA 1 Pasundan. This research uses the ADDIE Research and Development (R&D) model through the Analysis, Design, Development, Implementation and Evaluation stages to obtain valid and practical products. Data collection techniques in this research are through observation, structured interviews, questionnaires and numeric ability tests. The instruments used in this research were material expert validation sheets, media expert validation sheets, user response questionnaires, and numeric ability test. Canva-based digital Smart Apps Creator media value analysis from validators obtained results of 100% for material experts in the high or very valid category, results from media experts were 100% in the high or very valid category, and index values ??from material experts were 100% in the high or valid category. The effectiveness obtained from the N-gain calculation results obtained an average of 0.68 in the medium category so that the use of Canva-based digital Smart Apps Creator media is effectively used to improve students' numeric abilities.
ANALYSIS OF STUDENTS' MATHEMATICAL PROCEDURAL FLUENCY IN ALGEBRAIC OPERATIONS MATERIAL IN TERMS OF METACOGNITION Risda Pratama Damayanti; Supratman Supratman; Diar Veni Rahayu
Math Educa Journal Vol 9, No 1 (2025)
Publisher : UIN Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15548/mej.v9i1.10992

Abstract

This study seeks to examine students' mathematical procedural fluency in addressing algebraic operation problems through the lens of metacognition. The research is qualitative in nature and employs an exploratory methodology. The instruments utilized in this study include mathematical procedural fluency assessments, metacognitive questionnaires, and interviews. The participants comprised three students from class VII of SMP Muslimin Samarang, each demonstrating fluent criteria in mathematical procedural fluency. The findings revealed that despite sharing the same procedural fluency criteria, the subjects exhibited varying metacognitive criteria: subject S1 displayed strong metacognitive criteria, subject S2 showed moderately strong metacognitive criteria, and subject S3 exhibited weaker metacognitive criteria. Several alternative strategies can be implemented to enhance learning and foster procedural fluency in relation to metacognition, including the use of diverse learning models, the development of instructional materials, the creation of culturally relevant questions, and the incorporation of engaging learning media.
PCK Based Learning Design: Development Through Design Research to Improve Matematics Teachers’ Teaching Skills Diar Veni Rahayu; Dedi Muhtadi
Mosharafa: Jurnal Pendidikan Matematika Vol. 14 No. 1 (2025): January
Publisher : Department of Mathematics Education Program IPI Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31980/mosharafa.v14i1.2882

Abstract

Untuk dapat mengajar secara efektif, seorang guru tidak hanya dituntut memahami konten materi, tetapi juga mampu menyampaikannya sesuai dengan karakteristik siswa melalui penguasaan Pedagogical Content Knowledge (PCK). Keterampilan ini menjadi kunci pencapaian tujuan pembelajaran. Penelitian ini bertujuan mengembangkan desain pembelajaran berbasis PCK yang dapat meningkatkan keterampilan mengajar guru matematika. Metode yang digunakan adalah design research model Plomp, yang terdiri dari tahapan preliminary research, prototyping phase, dan assessment phase. Subjek penelitian adalah tiga guru matematika, dengan instrumen berupa RPP dan lembar observasi. Hasil penelitian menunjukkan bahwa: (1) Desain pembelajaran berbasis PCK dapat dikembangkan dalam bentuk RPP yang mengacu pada konsep PCK John K. Lannin, dengan adaptasi berupa penekann pada identifikasi student thinking, pemilihan representasi matemais yang bervariasi, serta perencanaan antisipasi kesulitan siswa berdasarkan PCK Mathematics Lesson Plan Template; dan (2) RPP tersebut terbukti efektif dalam meningkatkan keterampilan mengajar guru. Secara keseluruhan, desain pembelajaran berbasis PCK mampu memfasilitasi pengembangan keterampilan praktis mengajar secara nyata, serta meningkatkan kemampuan esensial dalam pembelajaran matematika yang bermakna. Implikasi dari penelitian ini aalah bahwa adaptasi model PCK Lannin dapat dijadikan acuan dalam penyusunan perangkat pembelajaran yang lebih kontekstual, sehingga guru lebih siap menghdapi keragaman cara berpikir siswa di kelas. To be able to teach effectively, a teacher is not only required to understand the content of the material, but also to be able to convey it according to the characteristics of the students through mastery of Pedagogical Content Knowledge (PCK). This skill is the key to achieving learning objectives. This study aims to develop a PCK-based learning design that can improve the teaching skills of mathematics teachers. The method used is the Plomp design research model, which consists of the stages of preliminary research, prototyping phase, and assessment phase. The subjects of the study were three mathematics teachers, with instruments in the form of lesson plans and observation sheets. The results of the study indicate that: (1) PCK-based learning designs can be developed in the form of lesson plans that refer to John K. Lannin's PCK concept, with adaptations in the form of emphasis on identifying student thinking, selecting varied mathematical representations, and planning to anticipate student difficulties based on the PCK Mathematics Lesson Plan Template; and (2) the lesson plans have proven effective in improving teachers' teaching skills. Overall, PCK-based learning design is able to facilitate the development of practical teaching skills in real terms, as well as improve essential abilities in meaningful mathematics learning. The implication of this research is that the adaptation of Lannin's PCK model can be used as a reference in compiling more contextual learning tools, so that teachers are better prepared to deal with the diversity of students' ways of thinking in the classroom.
Pengembangan media pembelajaran berbasis android berbantuan smart apps creator untuk mengeksplor kemampuan berpikir kritis peserta didik Lia Nur Indah Putriyannah; Nani Ratnaningsih; Diar Veni Rahayu
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol. 8 No. 4 (2025): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v8i4.26587

Abstract

This study was driven by the challenges students face in understanding polyhedra, particularly when relating concepts to real-world contexts and solving problems that demand critical thinking. The research aimed to outline the development stages and evaluate the effectiveness of an Android-based learning medium created using Smart Apps Creator to enhance students’ critical thinking skills. Participants included two subject matter experts, two media experts, three teachers, and 32 eighth-grade students from SMP Negeri 20 Tasikmalaya. The study applied a Research and Development approach following the ADDIE model. Data were collected through observations, interviews, tests, and questionnaires, using instruments such as critical thinking tests, expert validation sheets, and user response surveys. Findings showed that teacher and student responses were categorized as excellent, and the effect size test yielded a value of 2.8 (strong effect). This research is expected to contribute theoretically to the development of technology-enhanced learning media and provide a practical, innovative alternative for teachers to deliver polyhedra lessons interactively, engagingly, and contextually.
Meta-analisis: Pengaruh media pembelajaran berbasis teknologi digital terhadap kemampuan berpikir kritis siswa Eneng Siti Juariah Noor; Nani Ratnaningsih; Diar Veni Rahayu
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol. 8 No. 4 (2025): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v8i4.27363

Abstract

This study aims to analyze a collection of previous research through a meta-analysis that investigates the effect of using digital-based learning media on students' critical thinking skills. This analysis is important because many students still exhibit limitations in critical thinking abilities. The articles included were obtained using Publish or Perish 8 with publication years ranging from 2015 to 2025, resulting in 23 data points from 21 selected articles. Several moderator factors considered in this meta-analysis include educational level, year of publication, and source of publication. The results regarding the influence of digital-based learning media on students' critical thinking skills are as follows: (1) there is a significant overall effect with an effect size (ES) of 1.086 (categorized as high); (2) the effect is more effective when used at the elementary school level or equivalent (ES = 1.7396, high category) based on educational level; (3) the influence is greater in the post-COVID-19 period (ES = 1.1504, high category) based on year of publication; and (4) a greater effect is found in articles published in conference proceedings (ES = 1.3627, high category) based on publication source.
Co-Authors Dede Fajriadi Dedi Muhtadi Eneng Siti Juariah Noor Fina Lutpiani Thohari Hikmi Inayah Irwan Muhammad Ridwan Lia Nur Indah Putriyannah Muhammad Arif Nasrulloh Nani Ratnaningsih Ni'mah, Khomsatun Ningsih, Mega Prani Puji Lestari Redi Hermanto Rida Nopiana Risda Pratama Damayanti Rudi Priyadi Sovi Endah Nurhayati Supratman Supratman Supratman Vina Mahmudah Julianti Yuni Nurherliyani