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All Journal Jurnal Infinity AKSIOMA: Jurnal Program Studi Pendidikan Matematika Al Ishlah Jurnal Pendidikan MaPan : Jurnal Matematika dan Pembelajaran Journal of Honai Math ABDIMAS SILIWANGI JURNAL PENDIDIKAN TAMBUSAI Teorema: Teori dan Riset Matematika SJME (Supremum Journal of Mathematics Education) Jurnal Cendekia : Jurnal Pendidikan Matematika Journal on Education Symmetry: Pasundan Journal of Research in Mathematics Learning and Education COLLASE (Creative of Learning Students Elementary Education) JPMI (Jurnal Pembelajaran Matematika Inovatif) (JIML) JOURNAL OF INNOVATIVE MATHEMATICS LEARNING FOKUS : Kajian Bimbingan dan Konseling dalam Pendidikan Indonesian Journal of Pharmaceutical Education Jurnal Cakrawala Pendas Journal of Medives: Journal of Mathematics Education IKIP Veteran Semarang JNPM (Jurnal Nasional Pendidikan Matematika) Jurnal Infinity Jurnal Didaktik Matematika
Fitriani, Nelly
IKIP SILIWANGI BANDUNG
Arts Humanities Biochemistry, Genetics & Molecular Biology Chemistry Education Environmental Science Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Public Health Social Sciences Other

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The Development of Problem-Based Learning Students Liveworksheets on Three Variables Linear Equation System Meli Hendriani; Euis Eti Rohaeti; Nelly Fitriani
(JIML) JOURNAL OF INNOVATIVE MATHEMATICS LEARNING Vol. 9 No. 2 (2026): VOLUME 9 NUMBER 2, JUNE 2026
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jiml.v9i2.28346

Abstract

Problem-solving ability is important for students to possess because life is inseparable from problems. However, in reality, students' problem-solving ability, especially in mathematics learning, remains relatively low, including in the Three Variable Linear Equation System (SPLTV) material. This study aims to validate the problem-based learning student worksheet, assisted by liveworksheets, for the SPLTV material as an alternative teaching material to improve students' mathematical problem-solving ability. The research method used a Development Study research design, involving four material experts and two media experts in the validation process. The research instrument used questionnaires for validation and a one-to-one interview instrument with three grade X MA students. Data analysis was carried out using descriptive statistical techniques to calculate the average percentage of the validation results. The validation results showed that the worksheet prototype was categorized as very valid with a score of 86.14%, and the learning media was categorized as very valid with a validity score of 91.67%. The interview results with three students indicated that the worksheet was feasible and practical to use. Based on the research results, the problem-based learning worksheet, assisted by Liveworksheets, met the validity standards; therefore, it is feasible to test after revisions based on the validators' suggestions.
The Development of Canva-Assisted Project Based Learning Model to Improve Students’ Critical Thinking Ability and Digital Literacy Arif Maulana; Nelly Fitriani; Galih Dani Septiyan Rahayu
(JIML) JOURNAL OF INNOVATIVE MATHEMATICS LEARNING Vol. 9 No. 2 (2026): VOLUME 9 NUMBER 2, JUNE 2026
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jiml.v9i2.30654

Abstract

Mathematics learning in elementary schools still tends to be dominated by conventional approaches, so it is not optimal in developing students' critical thinking skills and digital literacy, especially in the material of measurement data. This study aims to develop and test the effectiveness of the Project Based Learning (PjBL) model assisted by the Canva application in improving critical thinking skills and digital literacy of fifth-grade elementary school students. The study used a Research and Development (R&D) approach by adapting the simplified stages of Borg and Gall, including needs analysis, planning, product development, expert validation, revision, limited trials, and extensive trials. The subjects of the study were fifth-grade students in an elementary school in Purwakarta Regency. Data were collected through validation questionnaires, pretest-posttest tests, digital literacy observations, and interviews. The results showed that the Canva-assisted PjBL model was in the very feasible category based on expert assessments. The application of this model was proven to be able to significantly improve students' critical thinking skills with a medium N-gain value and improve students' digital literacy in all aspects with a very good category. Thus, the Canva-assisted PjBL model is effectively used as an alternative to innovative and contextual Mathematics learning in elementary schools.
The Development of RME-Worksheets on Multiplication Material for Primary School Students Desy Puspa Sary; Euis Eti Rohaeti; Nelly Fitriani
(JIML) JOURNAL OF INNOVATIVE MATHEMATICS LEARNING Vol. 9 No. 2 (2026): VOLUME 9 NUMBER 2, JUNE 2026
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jiml.v9i2.30957

Abstract

Student Worksheets (LKPD) are teaching materials that help teachers deliver content to students. With LKPD, students find it easier to understand the material and become more motivated in the learning process. However, in practice, teachers are accustomed to using LKPDs purchased from book sales representatives, which often fail to present contextual problems as the starting point of the learning process. This study aims to produce valid teaching materials in the form of LKPD using the Realistic Mathematics Education (RME) approach on multiplication material for elementary school students. The research follows a design research method of the  development studies type. This study was limited to prototype 2, which underwenta formal review by three experts:  two senior teachers as subject matter experts and one lecturer as an education expert. using an expert validation instrument. The data collection technique used was qualitative data obtained from observations and interviews. The results show that the developed LKPD is very valid. It achieved an average validity score of 90%, placing it on the Very valid catagory. these findings contribute to the field of mathematics education by providing a proven, RME-based framework for LKPD design that bridges the gap between abstract multiplication  concepts and real-world application, offering apractical alternative to  commercial worksheets.
ReFusi: Media relasi dan fungsi RME berbantuan VSCode terhadap kemampuan komunikasi matematis Naomi Yoshepine Siswanto; Nelly Fitriani; Linda Linda
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol. 9 No. 3 (2026): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v9i3.31497

Abstract

This study focuses on digital learning media developed using Visual Studio Code with a Realistic Mathematics Education (RME) approach, aimed at creating a Relations and Functions media (ReFusi) capable of meeting criteria for validity, practicality, and effectiveness in enhancing students’ mathematical communication skills, utilizing the ADDIE development model (Analyze, design, development, implementation, evaluation). Research participants included eighth- and ninth-grade students, subject matter and media experts, and mathematics teachers. Instruments used were expert validation sheets, student response questionnaires, and a mathematical communication ability test, analyzed using descriptive and inferential statistics. The findings indicate that the ReFusi media achieved a highly valid category, with a 94% validation rate from subject matter experts and a 91.6% rate from media experts. Small Group Evaluation and Field Trial results demonstrated practicality with rates of 76,7% and 78%, respectively. The effectiveness test using N-Gain score showed an increase of 69,8% in the experimental class, significantly outperforming the control class. The t-test results also showed a significance value of 0,001 (p < 0,05), concluding that ReFusi is effective for students’ mathematical communication ability.
Media statistika berbantuan scratch terintegrasi PBL: Solusi pembelajaran inovatif untuk meningkatkan berpikir kritis matematis siswa SMP Neng Dewi Andryani; Nelly Fitriani; Linda
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol. 9 No. 3 (2026): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v9i3.31757

Abstract

This study evaluated the feasibility of Scratch-assisted learning media integrated with a problem-based learning model to enhance junior high school students' critical mathematical thinking skills in statistics. Utilizing the ADDIE development framework, data collection was conducted in West Bandung Regency. The evaluation progressed through three distinct phases: a one-to-one trial with three students, a small-group trial with six students, and a field trial. The subsequent effectiveness test compared experimental and control classes, comprising 29 students each, utilizing a test instrumen of critical thinking skills. Data analysis was performed using descriptive and inferential statistics via Microsoft Excel and IBM SPSS 27. Expert validation demonstrated exceptional quality, with media experts rating the tool at 97.22% and material experts at 96.11%, both indicating high validity. Additionally, the media achieved a practicality rating of 82.00%. Regarding effectiveness, the experimental class showed a moderate improvement with an average N-gain of 64.41%, significantly outperforming the control class at 46.75%. The Mann-Whitney U test confirmed this significance Asymp. Sig. value < 0.001 < α = 0.05. Consequently, this integrated media is proven valid, practical, and effective.
PROFIL KEPERCAYAAN DIRI SISWA KELAS VIII MTS YPPS SUKAMISKIN Indira Aristianti; Nelly Fitriani; Azni Nurul Fauzia
FOKUS : Kajian Bimbingan dan Konseling dalam Pendidikan Vol. 9 No. 4 (2026): Vol 9, No 4 Juli 2026
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/fokus.v9i4.28415

Abstract

Self-confidence is one of the essential aspects of students' personal development and academic success. This study aims to describe the level of self-confidence among eighth-grade students at MTs YPPS Sukamiskin. The research used a descriptive quantitative method, involving 28 students selected through purposive sampling. The research instrument was a self-confidence questionnaire based on Lauster’s theory (1992), and the data were analyzed using a score categorization technique. The results showed that 29% of students were in the low category, 57% in the moderate category, and 14% in the high category. These findings indicate that most students require reinforcement of their self-confidence in order to participate more actively and believe in their potential. Therefore, structured and continuous guidance and counseling services need to be designed to support students in developing more stable and consistent self-confidence, so that they are better prepared to face academic and everyday life challenges with greater confidence and independence.
EFEKTIVITAS BIMBINGAN KELOMPOK DENGAN TEKNIK PEMBERIAN INFORMASI UNTUK MENINGKATKAN KEPERCAYAAN DIRI SISWA Sekar Kamiliya Salsabila; Nelly Fitriani; Dona Fitri Annisa
FOKUS : Kajian Bimbingan dan Konseling dalam Pendidikan Vol. 9 No. 4 (2026): Vol 9, No 4 Juli 2026
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/fokus.v9i4.28731

Abstract

This study aims to increase self-confidence and determine the effectiveness of group guidance services with information-giving techniques in increasing the self-confidence of class VIII students at SMPN 39 Bandung.This study uses a mix method research method, which combines quantitative and qualitative methods using the Explanatory Sequential Design design. The research sample of 10 students through purposive sampling technique based on certain considerations was taken with a sample category of having low and medium self-confidence. The data analysis technique used in this study used validity test, reliability test, normality test, homogeny test, paired t-test and N-gain test with the help of SPSS version 22. The results of the study showed a significant influence in increasing students' self-confidence as seen from the results of the T-Test, namely obtaining a t-count value of -10.003 with a significance level (2-tailed) <significance level of 0.000 <0.05 which means H0 is rejected and H1 is accepted. After being given group guidance services with information-giving techniques, students experienced an increase in self-confidence.
Inovasi bahan ajar aljabar berbasis pendekatan saintifik berbantuan canva untuk meningkatkan kemampuan pemahaman matematis siswa SMP Kholifah Nur Rosydah; Nelly Fitriani; Ika Wahyu Anita
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol. 9 No. 3 (2026): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v9i3.31161

Abstract

This study aimed to develop a Canva assisted student worksheet (LKPD) based on the scientific approach that was valid, practical, and effective in improving junior high school students’ mathematical understanding of algebra. The study employed the ADDIE development model. The participants consisted of 30 junior high school students in West Bandung Regency. Data were collected through a pretest and posttest consisting of five algebra questions, questionnaires, interviews, and media validation. The data were analyzed using the normalized gain (N Gain) test. The results showed that the feasibility of the Canva assisted scientific approach based LKPD was categorized as very feasible. The N Gain analysis produced an average score in the high category with an effectiveness percentage classified as effective. These findings indicated that the Canva assisted scientific approach based LKPD was feasible and effective in improving junior high school students’ understanding of algebra.
Pengembangan media flashcard digital berbasis model problem based learning untuk meningkatkan kemampuan berpikir kritis siswa kelas III Sekolah Dasar Karisma Nur Aqidah; Nelly Fitriani; Sofyan Nur Mahardhika
COLLASE (Creative of Learning Students Elementary Education) Vol. 9 No. 4 (2026)
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/collase.v9i4.31846

Abstract

Proses pembelajaran yang kurang variatif menyebabkan kemampuan berpikir kritis siswa sekolah dasar belum berkembang secara optimal. Pembelajaran yang masih berpusat pada guru serta terbatasnya penggunaan media inovatif membuat siswa kurang aktif dalam memahami materi pelajaran. Penelitian ini dilakukan untuk menghasilkan media pembelajaran flash card digital berbasis Problem Based Learning (PBL) yang layak dan efektif digunakan pada siswa kelas III sekolah dasar. Metode penelitian yang diterapkan adalah Research and Development (R&D) menggunakan model ADDIE dengan lima tahapan, yaitu analisis, desain, pengembangan, implementasi, dan evaluasi. Penelitian dilaksanakan di SD S Purnama Kota Cimahi dengan melibatkan 20 siswa pada tahap uji coba luas. Pengumpulan data dilakukan melalui angket validasi ahli, lembar observasi, serta tes pretest dan posttest kemampuan berpikir kritis siswa. Hasil validasi menunjukkan media memperoleh nilai kelayakan sebesar 96,15% dari ahli materi dan 86,53% dari ahli media yang termasuk kategori sangat layak. Penggunaan media juga menunjukkan peningkatan hasil belajar siswa, ditandai dengan kenaikan rata-rata nilai dari 65,25 menjadi 85,25. Nilai N-Gain sebesar 0,6161 menunjukkan peningkatan kemampuan berpikir kritis berada pada kategori sedang. Oleh karena itu, media flash card digital berbasis PBL dinilai mampu mendukung proses pembelajaran secara lebih efektif dan interaktif. Kata Kunci: Flash Card Digital, PBL, Pembelajaran Interaktif, Berpikir Kritis
Utilizing e-comic media for differentiated learning: A Realistic Mathematics Education approach to stimulate learning interest Nelly Fitriani; Samuel Igo Leton
Journal of Honai Math Vol. 7 No. 1 (2024): Journal of Honai Math
Publisher : Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/jhm.v7i1.513

Abstract

The primary aim of this study is to ascertain the learning preferences of junior high school students and evaluate their interest in mathematics following instruction utilizing e-comic media grounded in realistic mathematics education within a framework of differentiated learning. Employing a mixed methods approach with an exploratory sequential design, the study targets junior high school students in the West Bandung region, with a cohort of 30 eighth-grade students selected as the sample. Questionnaires serve as the primary instruments to discern students' learning styles. Qualitative analysis involves scrutinizing these styles vis-à-vis their learning requisites. The ensuing analysis informs the customization of instructional media tailored to students' preferences, subsequently validated by experts. The study culminates in administering interest assessment questionnaires post-instruction. Findings and data analysis reveal three predominant learning tendencies among students: visual (37%), auditory (20%), and kinesthetic dominated (43%). The developed instructional media, validated and tested for efficacy, effectively caters to these learning styles. Application of this media demonstrates heightened interest in learning mathematics compared to traditional instructional methods.
Co-Authors Alwan Fauzy Amelia, Risma Ani Nur&#039;aeni Apri Kurniawan Arif Maulana Arpin Chronika Asep Yusuf Asri Septihani Azni Nurul Fauzia Bunga Permaganti Citra Aditia Rahayu Dara Kartika Dewi Desy Puspa Sary Diana Diana Dikdik Adi Putra Dinda Safrima Sekar Kinanthi Dona Fitri Annisa Efrina Rahmadhani Eka Senjayawati Elis Hana Solihat Elis Nurhayati Elna Nurhasanah Ernawati Ernawati Eti Rohaeti, Euis Euis Eti Rohaeti Euis Suwangsih Fitri Nurhalisa Fitri Utami Galih Dani Septiyan Rahayu Galih Dani Septiyan Rahayu Geraldi Valeska Heryadi Putra Gida Kadarisma Helmi Ilham Nabila Heris Hendriana Hikmal Setiawan Hikmal Setiawan Ika Wahyu Anita Indah Puspita Sari Indira Aristianti Intan Nuraeni Isna Sani Hidayah Jozua Sabandar Kalvia Shania Ramadhania Karisma Nur Aqidah Keni Eviliasani Kholifah Nur Rosydah Laelasari Laelasari Leni Nurhayati Leni Sulasmini Linda Linda Linda Lusiana Tika Syafitri M Zulfikar M. Afrilianto Martin Bernard Meli Hendriani Melisari Melisari Muhammad Raka Jaya Murni Chintia Nadia Putri Setiana Naomi Yoshepine Siswanto Naskia Achmad Nenden Fatimah Neng Dewi Andryani Nia Rahmawati Nirwanty Angela Al Ghani Novi Yuniarti Novia Putri Denati Pertiwi, Citra Megiana Puji Nurfauziah Puji Nurfauziah Ratna Sariningsih Ratni Purwasih Rezki Adelima Lubis Rippi Maya Rizki Mulyawati Ruslan Mubarok Samsul Maarif Samuel I. Leton Santi Santi Sekar Kamiliya Salsabila Selvia Agina Seni Marwanti Siti Sarah Khodijah Sofyan Nur Mahardhika Surya Permana Tupa Minokti Utari Sumarmo Wahyu Nurzaman Wahyu Setiawan Wahyu Setiawan Widya Ayu Agustini Wildan Wildan Wina Nur Alifah Suherman Winda Nuraeniah Yeti Jumiati Yuni Sapitri