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Tabita Wahyu Triutami
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Prodi Pendidikan Matematika, FKIP Universitas Mataram Jl. Majapahit No. 62 Mataram, NTB, Indonesia
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Griya Journal of Mathematics Education and Application
Published by Universitas Mataram
ISSN : 27761258     EISSN : 2776124X     DOI : https://doi.org/10.29303/griya.v1i2
Core Subject : Education,
Education Mathematics
Griya Journal of Mathematics Education and Application adalah Jurnal Matematika dan Pendidikan Matematika yang dikelola oleh Program Studi S1 Pendidikan Matematika Universitas Mataram. Fokus dan ruang lingkup dari jurnal ini adalah artikel ilmiah baik berupa hasil penelitian, review artikel maupun kajian pustaka khusus bidang Matematika dan Pendidikan Matematika.
Arjuna Subject : Matematika - Matematika (Lain-Lain)
Articles 453 Documents
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Systematic Literature Review: Analisis Kemampuan Representasi Matematika Siswa Pada Materi Program Linear Maheswari, Nasywa Ayu; Nurul Lathifah, Dewi; Hanifa, Arina; Felia Dwi Martha, Vivi; Somakim, Somakim; Ramadhan, M. Hasbi; Sukma, Yovika
Griya Journal of Mathematics Education and Application Vol. 5 No. 2 (2025): Juni 2025
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v5i2.583

Abstract

Kemampuan representasi matematika memegang peranan krusial dalam pemahaman konsep dan pemecahan masalah program linear. Sayangnya, beragam penelitian mengungkap beragam hasil terkait kemampuan representasi matematis siswa pada Program Linear. Systematic Literature Review (SLR) terhadap 11 artikel terbitan 2021-2025, berfokus pada siswa kelas XI, menyoroti dominasi representasi simbolik yang lebih dikuasai, sementara representasi visual dan verbal masih menjadi kendala. Faktor-faktor seperti gaya belajar, minat, dan pola pikir siswa terbukti signifikan memengaruhi kemampuan representasi ini. Lebih lanjut, model pembelajaran inovatif seperti Connected Mathematics Project (CMP) menunjukkan keunggulan dibandingkan metode konvensional. Temuan ini menggarisbawahi urgensi penerapan strategi pembelajaran yang kontekstual, interaktif, dan adaptif terhadap karakteristik siswa demi meningkatkan kemampuan matematis siswa pada materi program linear.
Systematic Literature Review: Analisis Hambatan Belajar Siswa dalam Materi Matematika SMP Oktavihari, Dita; Kertiyani, Ni Made Intan
Griya Journal of Mathematics Education and Application Vol. 5 No. 2 (2025): Juni 2025
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v5i2.592

Abstract

Difficulties in learning can be one of the factors that cause learning obstacles. Learning obstacles can interfere with students' learning process internally and externally. This study aims to analyze learning obstacles that arise at the junior high school level to be the basis for making further designs. The research methodology used is a systematic literature review by collecting articles related to learning obstacles at the junior high school level. The data analysis technique used is data extraction. The data obtained were 15 articles related to learning obstacles in mathematics material at the junior high school level in the 2021-2024 period. The results obtained were ontogenic barriers, epistemological barriers, and didactic barriers. The ontogenic barriers obtained were students' unpreparedness during learning, lack of interest and motivation to learn, and lack of understanding of prerequisite material. The epistemological barriers obtained were misconceptions, unable to understand, identify, and analyze problems, inaccuracy, and limitations in solving the questions given. The didactic barriers obtained were teacher-centered learning, fast learning rhythm, inappropriate teaching material arrangements, and inadequate school facilities. Based on the obstacles obtained, a learning flow can be designed, and a didactic design can be developed to minimize the emergence of these learning obstacles.
Penerapan Model Pembelajaran Gallery Walk Berbantuan Media Visual Untuk Meningkatkan Literasi Numerasi Nishbah Fadhelina; Dinda Tiara Nurhasana; Sofiyan
Griya Journal of Mathematics Education and Application Vol. 5 No. 2 (2025): Juni 2025
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v5i2.594

Abstract

Penelitian ini bertujuan untuk mengetahui apakah terdapat peningkatan literasi numerasi siswa setelah diterapkan model pembelajaran gallery walk berbantuan media visual. Penelitian ini menggunakan pendekatan kuantitatif dengan desain penelitian pre-experimental designs berupa the one-grup pretest-posttest design. Populasi dalam penelitian ini yaitu seluruh siswa kelas VII SMP Negeri 12 Langsa tahun ajaran 2023/2024 yang terdiri dari 2 kelas dengan jumlah masing-masing adalah 23 siswa. Teknik pengambilan sampel yang digunakan adalah simple random sampling, dan sampelnya adalah siswa kelas VII-2. Teknik pengumpulan data pada penelitian ini berupa tes yang berbentuk soal uraian. Berdasarkan hasil penelitian pada uji paired sample t-test diperoleh df = 22 dengan nilai ttabel = 2,0739 dan thitung = 26,993 maka diperoleh hasil thitung > ttabel = 26,993 > 2,0739 dengan taraf signifikansi α = 0,05 sehingga H0 ditolak dan Ha diterima. Berdasarkan hasil penelitian tersebut, dapat disimpulkan terdapat peningkatan kemampuan literasi numerasi siswa kelas VII-2 SMP Negeri 12 Langsa setelah diterapkan model pembelajaran gallery walk berbantuan media visual. Peneliti mengharapkan penelitian ini dapat dijadikan sebagai bahan pertimbangan bagi guru dalam menggunakan model pembelajaran gallery walk berbantuan media visual untuk meningkatkan literasi numerasi siswa.
Penerapan Pembelajaran Diferensiasi melalui PBL untuk Meningkatkan Kemampuan Penyajian Data Siswa Kelas VII Sasa Apriliska; Isyati Radiah
Griya Journal of Mathematics Education and Application Vol. 5 No. 2 (2025): Juni 2025
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v5i2.601

Abstract

This study aims to improve seventh-grade students' data presentation ability through the implementation of differentiated learning integrated with Problem-Based Learning (PBL) in the form of student worksheets (LKPD). The study employed a Design-Based Research (DBR) approach involving 153 students from five classes at SMP Negeri 17 Mataram. The results indicated an increase in students' average scores from 43.97 to 63.04 after the intervention. Additionally, there was a shift in the distribution of ability categories from low to medium and high. Differentiated learning through PBL proved effective in addressing diverse learning readiness and encouraging active student engagement. Thus, this approach offers an adaptive and contextual strategy to enhance students’ data literacy in mathematics.
Etnomatematika: Konsep Matematika dalam Musik Tradisional Sasak Sayyidatun Nufus; Harniati; Zahra Puspa Yani; M. Gunawan Supiarmo
Griya Journal of Mathematics Education and Application Vol. 5 No. 2 (2025): Juni 2025
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v5i2.602

Abstract

Penelitian ini bertujuan untuk mengkaji unsur-unsur matematis dalam musik tradisional Sasak, khususnya pada alat musik Gendang Beleq, suling, dan gong, serta mengeksplorasi potensinya sebagai media pembelajaran matematika yang kontekstual. Pendekatan kualitatif dengan metode etnografi digunakan dalam pengumpulan data melalui wawancara, observasi, dan dokumentasi terhadap pemain musik tradisional di Desa Sukarara, Lombok Tengah. Hasil penelitian menunjukkan bahwa dalam permainan Gendang Beleq terdapat pola bilangan berulang, frekuensi suara yang dapat dianalisis, serta struktur ritme yang mengandung konsep deret aritmatika. Alat musik suling menunjukkan hubungan antara panjang kolom udara dengan frekuensi nada, serta adanya pola bilangan dan deret dalam ritme permainan. Sementara itu, gong menunjukkan keterkaitan antara ukuran fisik dengan frekuensi dan jumlah harmonis yang dihasilkan. Penelitian ini menyimpulkan bahwa musik tradisional Sasak memiliki potensi besar dalam mengintegrasikan budaya lokal dengan konsep-konsep matematika sebagai sumber belajar yang bermakna dan kontekstual.
Perbandingan Metode Steffensen dan Metode Brent dalam Penyelesaian Masalah Break Even Point Menggunakan PHP Gyanendra Ali Baska, Adam; Amrullah; Primajati, Gilang; Arjudin
Griya Journal of Mathematics Education and Application Vol. 5 No. 2 (2025): Juni 2025
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v5i2.603

Abstract

The nonlinear mathematical model of the Break Even Point (BEP) problem is difficult to solve analytically to obtain an exact solution; therefore, numerical methods can serve as an alternative approach to address this issue. Based on this, the present study aims to develop a PHP program for solving the BEP problem and to compare Steffensen’s and Brent’s methods in terms of error and number of iterations. This research used the experimental method, whose implementation procedures include preparation, PHP program development, program testing, program revision, analysis, and conclusion. The PHP-based program developed in this study can serve as an alternative tool for solving BEP problems and is accessible to both practitioners and academics via the following link: https://lpptp.fkip.unram.ac.id/smhs/e1r021001/index.php. In solving the BEP problem, the error of Steffensen’s method was 17,3 x 10-8, while the error of Brent’s method was 6,4 x 10-8, therefore the error produced by the Brent’s method is smaller than that of the Steffensen’s method because 6,4 x 10-8 < 17,3 x 10-8. Additionally, the number of iterations required by Steffensen’s method was 109, whereas the number of iterations of Brent’s method was 56, therefore, the number of iterations of Brent’s method is fewer than that of Steffensen’s method because 56 < 109. Consequently, it can be concluded that Brent’s method is more effective than Steffensen’s method in solving BEP problems in terms of both error and number of iterations.
Penentuan Premi Menggunakan Metode Limited Fluctuation Credibility Pada Produk Health Insurance Reasuransi Di Indonesia Yulita, Tiara; Agus Sofian Eka Hidayat; Gilang Primajati
Griya Journal of Mathematics Education and Application Vol. 5 No. 2 (2025): Juni 2025
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v5i2.604

Abstract

A reinsurance company is a company that provides reinsurance services against the risks faced by the insurance company (the insured). An insured is obliged to pay an amount of money in accordance with the agreement as a form of obligation from the insured for his participation in reinsurance which is called a premium. One method that can be used to determine future premiums based on past experience is limited fluctuation credibility which can predict the value of pure premiums in the future based on current data and insurance manual rates. Using the help of the limited fluctuation credibility method, this study will calculate the estimated value of claim frequency, claim size, aggregate losses and pure health insurance premiums using reinsurance claim experience data. The results of these calculations will be analyzed for differences in value with the value given by reinsurance companies in Indonesia. With this research it is hoped that it can become a standard reference for the credibility of reinsurance companies in determining premiums in the future.
Penerapan Quizizz Sebagai Media Evaluasi Interaktif Untuk Meningkatkan Motivasi Belajar Mahasiswa Ayu Ismi Hanifah; Nawafilah, Nur Qomariyah
Griya Journal of Mathematics Education and Application Vol. 5 No. 2 (2025): Juni 2025
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v5i2.606

Abstract

Active learning is one of the strategies used to create a fun learning atmosphere and increase student activity. One strategy that can be done is by implementing interactive media. Quizizz is an interactive game-based media that can provide a learning experience so that students are directly involved and can be used as an interactive learning evaluation media. In addition to being an evaluation media, Quizizz can build engagement between students and the media so that students are motivated to be more active. This study aims to analyze the implementation of Quizizz as an interactive evaluation tool to enhance students' learning motivation. This study uses a quantitative descriptive research method. The instruments used in this study include observation sheets, learning motivation questionnaires, and quizzes on Quizizz. The results of this study indicate that the evaluation results obtained by implementing Quizizz as many as 74.3% of students scored above 68 which is included in the good assessment category. In addition, as many as 78% of students are motivated by the application of Quizizz because it creates a competitive and fun learning atmosphere.
Prediksi Retur Produk Farmasi dan Klasifikasi Risiko Menggunakan Model ARIMA Felicia Eldora; Panggabean, Suvriadi
Griya Journal of Mathematics Education and Application Vol. 5 No. 2 (2025): Juni 2025
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v5i2.611

Abstract

Pharmaceutical product distribution faces specific challenges, particularly in managing product returns that can affect logistics efficiency and service quality. This study aims to predict the return quantity of pharmaceutical products using the ARIMA (Autoregressive Integrated Moving Average) model and to classify bad goods risk based on the prediction results. The data used consists of monthly return records from a Pharmaceutical Wholesaler (PBF) for a products—Paracetamol Syrup—during the period from January 2023 to December 2024. The research methodology includes data preprocessing, ARIMA model identification and estimation, residual diagnostics, forecasting, and risk classification. The results show that the ARIMA(1,1,1) model provides sufficiently accurate forecasts for Paracetamol Syrup, with predicted returns over the next six months falling into the medium-risk category. These findings offer valuable insights for pharmaceutical wholesalers to anticipate potential losses due to damaged or expired products and to design distribution strategies that are more responsive to return patterns.
Studi Literatur : Efektivitas Model Pembelajaran Problem Based Learning (PBL) Dalam Meningkatkan Kemampuan Literasi Numerasi Siswa SMP Safira, Irma
Griya Journal of Mathematics Education and Application Vol. 5 No. 2 (2025): Juni 2025
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v5i2.613

Abstract

Penelitian ini mengeksplorasi efektivitas model pembelajaran Problem Based Learning(PBL) dalam peningkatan kemampuan literasi numerasi siswa Sekolah Menengah Pertama (SMP). Literasi numerasi adalah kemampuan mengaplikasikan konsep bilangan dan keterampilan operasi berhitung dalam kehidupan sehari-hari dan kemampuan untuk menginterpretasikan informasi yang bersifat kuantitatif yang ada di lingkungan siswa. Dengan menggunakan pendekatan Systematic Literature Review (SLR), penelitian ini meninjau 13 artikel relevan yang membahas implementasi PBL dalam konteks pembelajaran matematika. Hasil analisis menunjukkan bahwa model PBL signifikan dalam meningkatkan literasi numerasi, karena mendorong siswa untuk terlibat aktif dalam pemecahan masalah nyata, meningkatkan kemampuan berpikir kritis, dan menerapkan pengetahuan matematika dalam situasi kehidupan sehari-hari. Siswa yang terlibat dalam pembelajaran berbasis masalah menunjukkan peningkatan partisipasi dan kemampuan analisis yang lebih baik. Temuan ini merekomendasikan penerapan yang lebih luas dari model PBL dalam kurikulum matematika untuk mendukung peningkatan kualitas pendidikan dan literasi numerasi di Indonesia.

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