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Tabita Wahyu Triutami
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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 500 Documents
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Pengaruh Model Guided Discovery Learning Berbasis Kearifan Lokal dalam Meningkatkan Pemahaman Konsep SPLDV Siswa Ayu Alysyum syam; Aisyah Nursyam; Andi Muhammad Irfan Taufan Asfar
Griya Journal of Mathematics Education and Application Vol. 6 No. 2 (2026): Juni 2026
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh model Guided Discovery Learning berbasis kearifan lokal dalam meningkatkan pemahaman konsep matematika siswa terutama pada materi Sistem Persamaan Linear Dua Variabel. Penelitian menggunakan ss kuantitatif dengan metode Quasi Eksperimen tipe Non-Equivalent Control Group Group Design. Subjek penelitian adalah seluruh siswa kelas VIII SMP Negeri Satu Atap 3 Cina yang berjumlah 38 siswa, terdiri dari 18 siswa di kelas eksperimen dan 20 siswa dikelas kontrol. Hasil analisis menunjukkan bahwa rata-rata nilai posttest kelas eksperimen meningkat dari 41,3 menjadi 79,1 setelah dibelajarkan menggunakan model Guided Discovery Learning berbasis kearifan lokal, sedangkan kelas kontrol meningkat dari 45,3 menjadi 60,8 setelah dibelajarkan menggunakan metode konvensional. Hasil uji Mann-Whitney menunjukkan nilai signifikansi (Asymp sig 2-tailed) sebesar 0,028 < 0,05, yang berarti terdapat perbedaan peningkatan yang signifikan antara kedua kelas. Temuan ini mengindikasikan bahwa model Guided Discovery Learning berbasis kearifan lokal berpengaruh signifikan terhadap peningkatan pemahaman konsep Sistem Persamaan Linear Dua Variabel pada siswa kelas VIII SMP Negeri Satu Atap 3 Cina.
Eksplorasi Konsep Geometri Pada Motif Ruit Dalam Balutan Kain tenun Ikat sumba Timur Adelia Anggun Mburu Amah; Pingki Habar; Amelia Ana Awa; Yuliana Tamu Ina Nuhamara
Griya Journal of Mathematics Education and Application Vol. 6 No. 2 (2026): Juni 2026
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v6i2.1092

Abstract

Matematika tidak hanya di pelajari di ruang kelas, tetapi juga harus hadir dalam kehidupan sehari-hari. Misalnya termuat dalam budaya yang ada dalam masyarakat. Contoh budaya dalam masyarakat yang terdapat pembelajaran matematika yaitu pada motif kain tenunan Sumba Timur. Penelitian ini bertujuan untuk mengeksplorasi konsep geometri yang terdapat pada motif ruit dalam balutan kain tenun Sumba Timur. Penelitian menggunakan metode kualitatif dengan pendekatan etnomatematika melalui studi literatur dan analisis visual terhadap motif tenun. Hasil penelitian menunjukan bahwa motif ruit memiliki bentuk dasar menyerupai belah ketupat yang menunjukan konsep simetri pola berulang serta transformasi geometri. Selain itu, motif tersebut juga memiliki makna filosofis yang berkaitan dengan keseimbagan hidup, hubungan manusia, alam leluhur, dan penciptanya serta, nilai-nilai budaya lokal dapat menjadi sumber pembelajaran matematika yang kontekstual dan relevan.
Hubungan Self-Efficacy dan Motivasi Belajar dengan Kemampuan Koneksi Matematis Mahasiswa Putri Dwitasari; Ayoudya Shakthi Pratama; Irza As-sajdah Tulloh; Netriwati Netriwati; Fadly Nendra
Griya Journal of Mathematics Education and Application Vol. 6 No. 2 (2026): Juni 2026
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v6i2.1094

Abstract

This study aims to examine the relationship between self-efficacy and learning motivation with students’ mathematical connection ability. The background of this research is the low ability of students to connect mathematical concepts, especially in higher education. This study used a quantitative approach with a correlational design involving 50 sixth-semester students who had taken a Basic Statistics course. Data were collected through self-efficacy and learning motivation questionnaires, as well as a mathematical connection ability test. The data were analyzed using descriptive statistics and inferential statistics, with the Spearman correlation test applied due to non-normal data distribution. The results showed that learning motivation has a significant relationship with mathematical connection ability, while self-efficacy does not show a significant relationship. The contribution of learning motivation to mathematical connection ability is greater compared to self-efficacy. These findings indicate that learning motivation plays a more dominant role in improving students’ ability to connect mathematical concepts. Therefore, efforts to enhance students’ motivation are essential in supporting better mathematical understanding.
PENGARUH Pengaruh Self-Confidence Terhadap Kemampuan Pemecahan Masalah Matematis Siswa Haila Rianti; Anggun Sefta Amelia; Wardiatul Ahnani; Dewintan Anyelir; Netriwati Netriwati
Griya Journal of Mathematics Education and Application Vol. 6 No. 2 (2026): Juni 2026
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v6i2.1105

Abstract

This study aims to investigate and identify the relationship between students’ self-confidence and their ability to solve mathematical problems. Empirical findings indicate that students still demonstrate relatively low ability in solving mathematical problems. Therefore, the background of this study requires further analysis of the factors that contribute to this issue. To examine how the variables are related, this study employs a quantitative approach with a correlational research design. The data collection techniques include questionnaires to measure students’ self-confidence and tests to assess their ability to solve mathematical problems. Data were collected through questionnaires to measure the level of self-confidence and tests based on specific indicators to evaluate problem-solving abilities in mathematics. To test the research hypothesis, the data were analyzed using normality tests and simple linear regression analysis. The findings reveal that self-confidence does not have a significant effect on students’ ability to solve mathematical problems. However, students with higher levels of self-confidence tend to have better conceptual understanding and problem-solving abilities. These results indicate that, in addition to self-confidence, there are other factors that also influence mathematical problem-solving ability, and some of these factors may play a more dominant role.
Kemampuan Komunikasi Matematis Siswa dalam Menyelesaikan Soal Teorema Pythagoras ditinjau dari Minat Belajar Cahya Ningrum Ma'idah Putri; Sri Subarinah; Tabita Wahyu Triutami
Griya Journal of Mathematics Education and Application Vol. 6 No. 2 (2026): Juni 2026
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v6i2.1115

Abstract

Mathematical communication ability is the student's ability to convey mathematical ideas through writing, symbols, and visual representations. Learning interest is one of the factors that encourages students to be more active in learning and more confident in expressing mathematical ideas. This study aims to describe students' mathematical communication abilities in solving Pythagorean Theorem problems in terms of learning interest. This research uses a qualitative descriptive approach and was conducted in class VIII of SMP Negeri 7 Mataram in the 2025/2026 academic year. The subjects of this study were 42 students, consisting of 11 students with high learning interest, 18 students with moderate learning interest, and 13 students with low learning interest. Furthermore, 8 students were selected for interviews, consisting of 3 students with high interest, 3 with moderate interest, and 2 with low interest. Data collection techniques included questionnaires, tests, and interviews. Data analysis was performed through data reduction, data presentation, and drawing conclusions. The results showed that students' mathematical communication abilities differ at each level of learning interest. Students with high interest tend to be better at expressing ideas and using symbols; students with moderate interest are fairly good but still have difficulty explaining the solution steps; whereas students with low interest have difficulty expressing ideas and explaining the problem-solving process. Thus, learning interest is not always directly proportional to students' mathematical communication abilities.
Kemampuan Pemecahan Masalah Matematika dalam Menyelesaikan Soal Setara PISA Ditinjau dari Gaya Kognitif Siswa Widya Puspita Putri; Sri Subarinah; Tabita Wahyu Triutami
Griya Journal of Mathematics Education and Application Vol. 6 No. 2 (2026): Juni 2026
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v6i2.1120

Abstract

This study aims to describe students’ mathematical problem-solving abilities in solving PISA-like problems based on the Field Dependent (FD) and Field Independent (FI) cognitive styles. This research employed a qualitative descriptive design. The subjects of the study were 40 students of class VIIIC at SMP Negeri 2 Mataram in the 2025/2026 academic year, consisting of 20 FD students and 20 FI students. Furthermore, six students, comprising three FD students and three FI students, were selected as interview subjects through purposive sampling. The data were collected using a cognitive style test, namely the Group Embedded Figures Test (GEFT), a mathematical problem-solving test in the form of PISA-like problems, and interview guidelines. Data analysis was conducted based on the Miles and Huberman model, which includes data reduction, data display, and conclusion drawing, while also referring to Polya’s four stages of problem solving. The results of the study indicate that: (1) FD students were generally able to perform three stages of Polya’s problem-solving process, namely understanding the problem, devising a plan, and carrying out the plan. However, FD students were generally unable to perform the looking back stage; (2) FI students were generally able to perform all four stages of Polya’s problem-solving process, namely understanding the problem, devising a plan, carrying out the plan, and looking back. The findings of this study are expected to serve as a consideration for teachers in designing mathematics instruction that is aligned with student’s cognitive style characteristics.
Analisis Komparasi Kendaraan Penumpang dan Logistik di Pelabuhan Penyeberangan Bakauheni Febriyanti Himmatul Ulya; Aulia Ika Atika; Yulia Puspita Sari; Hartina Husain
Griya Journal of Mathematics Education and Application Vol. 6 No. 2 (2026): Juni 2026
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v6i2.1134

Abstract

Fluktuasi jumlah kendaraan di pelabuhan penyeberangan menimbulkan ketidakpastian operasional, terutama pada rute-rute sibuk seperti lintasan Bakauheni-Merak. Memahami pola kedatangan berdasarkan jenis kendaraan dan waktu kedatangan kapal sangat penting dilakukan untuk meminimalkan antrean dan meminimalisir biaya operasional. Penelitian ini bertujuan untuk menganalisis pengaruh dan interaksi antara kategori kendaraan penumpang dan kendaraan logistik serta waktu kedatangan kapal (shift) terhadap jumlah kendaraan. Penelitian ini merupakan penelitian kuantitatif dengan analisis data menggunakan analisis ANOVA dua arah. Berdasarkan analisis yang dilakukan pada 75.407 data kedatangan kapal menunjukkan bahwa jenis kendaraan dan waktu kedatangan kapal memiliki pengaruh independen yang signifikan (p < 0,05). Ditemukan pula efek interaksi yang signifikan (p = 0,000), di mana kendaraan penumpang (kelas IVA) mendominasi pada jam kedatangan 08:00–15:59 dan 16:00–23:59 (Rata-rata ≈ 26 unit), sedangkan kendaraan logistik (kategori IVB) mencapai puncaknya antara pukul 00:00 dan 07:59 (Rata-rata = 6,89). Model tersebut hanya menjelaskan 18,3% variasi, temuan-temuan ini secara konsisten menunjukkan adanya pembagian waktu operasional yang berbeda-beda di antara jenis kendaraan.
Kemampuan pemecahan masalah SPLDV ditinjau dari kemandirian belajar siswa kelas IX SMPN 1 Narmada Lalu Abdal Gaffar; Baidowi; Eka Kurniawan
Griya Journal of Mathematics Education and Application Vol. 6 No. 2 (2026): Juni 2026
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v6i2.1143

Abstract

Penelitian ini bertujuan untuk mendeskripsikan kemampuan pemecahan masalah sistem persamaan linear dua variabel (SPLDV) ditinjau dari tingkat kemandirian belajar siswa kelas IX SMP Negeri 1 Narmada tahun ajaran 2025/2026. Penelitian ini merupakan penelitian deskriptif dengan pendekatan kualitatif. Subjek penelitian berjumlah 35 siswa kelas IX.1 yang diberikan kuesioner kemandirian belajar dan tes kemampuan pemecahan masalah matematika. Selanjutnya, dipilih 8 siswa berdasarkan tingkat kemandirian belajar dan kemampuan pemecahan masalah matematika untuk dilakukan wawancara secara mendalam pada setiap kategori. Hasil penelitian menunjukkan bahwa siswa dengan kemandirian belajar tinggi cenderung mampu memahami masalah, menyusun rencana penyelesaian, dan melaksanakan rencana dengan baik, namun belum terbiasa melakukan pengecekan kembali terhadap hasil jawaban. Siswa dengan kemandirian belajar sedang cenderung menunjukkan kemampuan yang cukup namun belum konsisten pada setiap tahapan pemecahan masalah. Sementara itu, siswa dengan kemandirian belajar rendah cenderung mengalami kesulitan pada hampir seluruh tahapan pemecahan masalah matematika. Dengan demikian, dapat disimpulkan bahwa tingkat kemandirian belajar berperan penting dalam menentukan kualitas kemampuan pemecahan masalah matematika siswa.
Penerapan Metode North West Corner dalam Distribusi Air Galon pada Depot Air Isi Ulang di Tondano Meyni Novela Runtu; Indah Chairun Nisa
Griya Journal of Mathematics Education and Application Vol. 6 No. 2 (2026): Juni 2026
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v6i2.1173

Abstract

Distribution of gallon water is one of the important activities in the operation of refill water depots because it isi directly related to fulfilling customer needs. An irregular distribution process can result in higher shipping costs and less efficient vehicle use. This research was conducted at the Om Nyong Refill Water Depot and the Gloria Water Depot in the Tondano area with the aim of determining the allocation of gallon water distribution using the North West Corner (NWC) method. The method used in this research is a quantitative method with an operations research approach to the transportation model. Research data was obtained through direct observation and interviews with depot owners. The data used included the number of galllons supplied, the number of customer requests, and distribution costs to each destination. The research results showed that the North West Corner (NWC) method can assist in allocasting gallon water distribution according to available supply and demand capacity. Based on the calculation results, the distribution costs for the Om Nyong Refill Water Depot Rp 1,612,000 and the Gloria Water Depot Rp 352,000, bringing the total distribution costs to Rp 1,964,000/week. This method makes the distribution process more organized and makes it easier for the depot to determine the number of deliveries to customers. Distribusi air galon merupakan salah satu kegiatan penting dalam operasional depot air isi ulang karena berhubungan langsung dengan pemenuhan kebutuhan pelanggan. Proses distribusi yang kurang teratur dapat menyebabkan biaya pengiriman menjadi lebih besar dan penggunaan kendaraan menjadi kurang efisien. Penelitian ini dilakukan pada Depot Air Isi Ulang Om Nyong dan Depot Air Gloria yang berada di wilayah Tondano dengan tujuan untuk mengetahui pengalokasian distribusi air galon menggunakan metode North West Corner (NWC). Metode yang digunakan dalam penelitian ini adalah metode kuantitatif dengan pendekatan riset operasi pada model transportasi. Data penelitian diperoleh melalui observasi dan wawancara langsung dengan pemilik depot. Data yang digunakan meliputi jumlah pasokan galon, junlah permintaan pelanggan, dan biaya distribusi ke setiap lokasi tujuan. Hasil penelitian menunjukkan bahwa metode North West Corner (NWC) mampu membantu proses pengalokasian distribusi air galon sesuai kapasitas supply dan demand yang tersedia. Berdasarkan hasil perhitungan diperoleh biaya distribusi Depot Air Isi Ulang Om Nyong sebesar Rp 1.612.000 dan Depot Air Gloria sebesar Rp 352.000, sehingga total keseluruhan biaya distribusi mencapai Rp 1.964.00/minggu. Dengan adanya metode ini, proses distribusi menjadi lebih teratur dan mempermudah depot dalam menentukan jumlah pengiriman kepada pelanggan.
Perbandingan Perbandingan Pengaruh Problem Based Learning Dan Inquiry Based Learning Terhadap Kemampuan Literasi Numerasi Siswa Irma Safira; Heni Pujiastuti; Fakhrudin Fakhrudin
Griya Journal of Mathematics Education and Application Vol. 6 No. 2 (2026): Juni 2026
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v6i2.1177

Abstract

This study compares the effect of Problem Based Learning (PBL) and Inquiry Based Learning (IBL) learning models on students' numeracy literacy skills. The objectives of the study were to describe students' numeracy literacy skills using both models, to determine the differences in their effects, and to test the improvement in students' abilities after implementation. The study used a quasi-experimental design involving 60 eighth-grade students of SMP Negeri 1 Padarincang who were divided into two experimental groups. Data were collected through pretests and posttests of numeracy literacy. The results showed that students who learned using the IBL model had higher numeracy literacy skills and more significant improvements compared to the PBL model. It was concluded that the IBL model was more effective in improving students' numeracy literacy.

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