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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 453 Documents
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Pengembangan Media Pembelajaran Augmneted Reality Materi Prisma Dalam Meningkatkan Hasil Belajar Peserta Didik Majid, Abdul; Amrullah; Novitasari, Dwi
Griya Journal of Mathematics Education and Application Vol. 5 No. 3 (2025): September 2025
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v5i3.765

Abstract

This study aims to develop Augmented Reality learning media on prism material in improving the learning outcomes of class VIII students of MTsN 2 Mataram. This study is a research and development (R&D) with a 4D model. The sample of this study was 32 class VIII A students of MTsN 2 Mataram. In the design stage, AR media was designed using the Assemblr Edu platform, then the AR content was implemented in LKPD. In the development stage, two small-scale trials were conducted to obtain data on the practicality and effectiveness of the media. The research instruments used were questionnaires and learning outcome test questions. Data analysis techniques were used to determine the level of validity, practicality, and effectiveness of the developed learning media. The results of the study show that the AR media developed (1) is valid with a validity score of 0.78 and a valid category using the Aiken V formula, (2) is practical with a percentage of 86.9% and a very practical category using the practicality percentage, (3) is effective with a classical completion percentage of 81.25% in a very high category so that the Augmented Reality learning media developed is effective for improving learning outcomes.
Deskripsi Kemampuan Berpikir Kreatif Dalam Mengerjakan Soal Pemecahan Masalah Ditinjau dari Gaya Kognitif Siswa Kelas VIII SMPN 13 Mataram Sabrina, Annisa; Sarjana, Ketut; Lu’luilmaknun, Ulfa
Griya Journal of Mathematics Education and Application Vol. 5 No. 3 (2025): September 2025
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v5i3.767

Abstract

The purpose of this study was to describe students’ creative thinking skills in solving problem-solving questions in terms of cognitive style of eighth-grade students at SMPN 13 Mataram. A qualitative research method was used with descriptive approach. Three instruments were used in this study, GEFT test question to determine student cognitive style, math question in the form of description questions on the material of Polyhedron, and interview guidelines. The subjects were chosen using purposive sampling and involved 6 students, with 3 students representing each cognitive style selected based on GEFT test. subsequently, a creative thinking skills test was administered, followed by a semi-structured interview to confirm the students’ creative thinking abilities. The data analysis technique used Miles and Hubermans, interactive analysis model, while data credibility was tested using technique triangulation. The results of the study showed that one subject with a field-dependent cognitive style did not meet any of the three indicators of creative thinking skills, two field-dependent subjects met the fluency indicators, two field independent subjects met the fluency and flexibility indicators, and one field independent subject met all three indicators of creative thinking skills.
Eksplorasi Etnomatematika Pada Aksesoris Dan Perlengkapan Karapan Kerbau Sumbawa Zul'Amal, Ikhlas; Sripatmi, Sripatmi; Novitasari, Dwi
Griya Journal of Mathematics Education and Application Vol. 5 No. 3 (2025): September 2025
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v5i3.777

Abstract

Ethnomathematics is a science used to study how mathematics originates from a culture. This study aims to explore ethnomathematics in Sumbawa buffalo racing accessories and equipment. This type of research is qualitative with an ethnographic approach. Data sources were obtained from observations, interviews with cultural figures, buffalo racing owners, and sandro or shamans. Data analysis used an ethnographic approach consisting of the following stages: (1) determining informants who have in-depth knowledge, (2) conducting interviews to gather information, (3) making ethnographic notes in the form of written documentation, (4) asking descriptive questions to gain a general overview, (5) analyzing the results of ethnographic interviews to find themes, (6) conducting domain analysis to identify cultural data, (7) asking structural questions to determine the relationships between elements in one domain, (8) conducting taxonomic analysis to group data, (9) writing ethnography based on the researcher's findings, and (10) validation. The results of the study show that: 1) the meanings contained in the accessories and equipment of Sumbawa buffalo racing are courage, peace, fertility, and strength. 2) the mathematical concepts or principles in the accessories and equipment of Sumbawa buffalo racing are two-dimensional geometry (rhombus, circle, trapezoid, and triangle), three-dimensional geometry (cylinder and cone), analytical geometry (hyperbola and hyperboloid) and transformation and regularity geometry (repeating patterns, parallel lines, perpendicular lines, midpoints, and right angles).
Pengaruh Tipe Kepribadian (Extrovert & Introvert) Terhadap Prestasi Belajar Matematika Kelas VIII SMP Negeri 7 Mataram Buja Marsah, Ratna; Sridana, Nyoman; Kurniawan, Eka
Griya Journal of Mathematics Education and Application Vol. 5 No. 3 (2025): September 2025
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v5i3.788

Abstract

This study aims to determine the influence of personality types on mathematics achievement among secondary school students. The personality types examined include extrovert and introvert. The research used an ex post facto design with a quantitative approach. The sample consisted of 39 students, divided into two groups based on the results of a personality test: 23 extrovert students and 16 introvert students. Mathematics achievement data were obtained from previously validated mathematics test scores. Data analysis was conducted using an independent samples t-test to determine the difference in average achievement between the two personality types. The results showed a significant difference in mathematics achievement between extrovert and introvert students, with introvert students achieving a higher average score (77.56) compared to extrovert students (66.43). The conclusion of this study is that personality type affects mathematics achievement. Therefore, it is important for teachers to consider students' personality characteristics when designing effective learning strategies.
Analisis Kesalahan Siswa Dalam Menyelesaikan Soal Cerita Pada Materi Teorema Pythagoras Berdasarkan Teori Newman Prayogi, Loedya; Anggraini, Aisya; Atmi Mustika Rani; Rosida Rakhmawati Muhammad; Netriwati
Griya Journal of Mathematics Education and Application Vol. 5 No. 3 (2025): September 2025
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v5i3.737

Abstract

Kesalahan adalah sebuah bentuk deviasi dari suatu yang sudah ditetapkan dan disepakati sebagai aturan atau standar yang baku. Kesalahan yang dialami peserta didik ketika pengerjaan soal perlu dipahami agar menemukan solusi yang sesuai. Penelitian ini bertujuan untuk mengidentifikasi dan memaparkan kesalahan yang terjadi dalam menyelesaikan soal berbasis cerita pada materi teorema Pythagoras. Penelitian ini menggunakan metode kualitatif deskriptif. Subjek penelitian melibatkan peserta didik kelas VIII SMP PGRI 2 Bandar Lampung sebanyak 3 orang yang dipilih dengan metode purposive sampling dimana diidentifikasi melakukan kesalahan dengan kategori tinggi, sedang dan rendah. Teknik pengumpulan data dengan observasi, tes dan wawancara. Instrumen tes menggunakan 3 butir soal dimana soal tersebut telah dilakukan pengujian validitas dan reliabilitas, sedangkan instrumen wawancara menggunakan 5 butir pertanyaan berdasarkan teori Newman. Hasil analisis data menunjukkan adanya beberapa jenis kesalahan yang dilakukan yaitu (1) Kesalahan memahami masalah (Comprehension Errors), (2) Kesalahan transformasi (Transformation Errors), (3) Kesalahan dalam proses perhitungan (Process Skill Errors) dan (4) Kesalahan penulisan jawaban (Encoding Errors).
Self Efficacy Dalam Pemecahan Masalah Matematis : Studi Kasus Siswa SMP Dalam Memecahkan Soal Teorema Pythagoras Nova Anwari Tama Putri; Ramlah; Indra Budiman
Griya Journal of Mathematics Education and Application Vol. 5 No. 3 (2025): September 2025
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v5i3.746

Abstract

Self-efficacy is an important factor that influences students' success in solving mathematical problems. This study aims to describe the differences in self-efficacy characteristics between students with high and low self-efficacy scores in solving mathematical problems on the topic of the Pythagorean Theorem. This research employed a qualitative approach involving two junior high school students selected based on the results of a self-efficacy questionnaire. Data were collected through questionnaires, mathematical problem-solving tests, unstructured interviews, observations, and time triangulation to obtain accurate and in-depth data. The research instruments included a self-efficacy questionnaire based on Bandura's theory with seven indicators, as well as a problem-solving test based on Polya’s stages. Data analysis was conducted through data reduction, data display, and drawing conclusions interactively until the data were saturated. The results of the study showed that students with high self-efficacy scores were able to utilize mastery experiences, had stable self-confidence and expectations of success, were able to develop structured strategies, and could recover from failure with positive social support. These students also used the success of others as motivation in solving problems. In contrast, students with low self-efficacy scores showed less stable self-confidence, were more dependent on others for assistance, and had difficulties in developing effective problem-solving strategies. Their self-efficacy also tended to decrease easily when facing failure.
Pengaruh Penggunaan Bahan Ajar "KOPER" Berbasis RME Terhadap Peningkatan Kemampuan Pemahaman Konsep Matematis Siswa SD Fase B Rosita, Rosita; Robandi, Babang; Mufliva, Rosiana
Griya Journal of Mathematics Education and Application Vol. 5 No. 3 (2025): September 2025
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v5i3.718

Abstract

This research is motivated by the problem of the low level of mastery of mathematical concepts regarding multiplication of whole numbers up to 100 in elementary school students in phase B. Based on the findings of an initial study conducted in an elementary school, as well as the results of a review of various previous studies, it was found that one of the causes was the learning process that had not integrated the use of contextual and relevant learning materials to students' lives. To overcome this problem, it is necessary to have teaching materials based on a mathematical approach, namely the RME-based "KOPER" learning material which is made for the material on multiplication operations of whole numbers up to 100. The choice of the word "KOPER" is taken from the syllables contained in the sentence "Multiplication Concept" which is the content of the learning material which is adjusted to the principles of the RME approach. This study aims to examine whether the implementation of RME-based “KOPER” learning materials has an effect on improving the ability to understand mathematical concepts of elementary school students in Phase B, in the topic of multiplication of whole numbers up to 100. The research method used is quantitative with a quasi-experimental design in the form of a non-equivalent control group design. The subjects of this study were third-grade elementary school students, divided into two groups: a control group and an experimental group, each consisting of 20 students. Data collection was carried out using test instruments in the form of pre-tests and post-tests. The results of this study indicate that the implementation of the “KOPER” learning material oriented towards Realistic Mathematics Education (RME) has an effect on improving students' ability to understand concepts, especially the multiplication material in elementary school students in phase B.
Systematic Literature Review: Media Pembelajaran Matematika pada Materi Luas Bangun Datar di Sekolah Dasar Yumnaa Humairo; Trimurtini, Trimurtini
Griya Journal of Mathematics Education and Application Vol. 5 No. 3 (2025): September 2025
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v5i3.769

Abstract

This study aims to systematically examine the use of learning media for the area of flat shapes in upper elementary school. The method used is a Systematic Literature Review (SLR) of 21 articles from national journals accredited by SINTA 3–5 published between 2023 and 2025, and 12 articles were selected that met the criteria. The results of the study indicate that the learning media used are divided into three categories: concrete media, digital media, and a combination of both. Concrete media such as tangrams, geoboards, SMARD cards, and true or false cards have proven effective in improving learning outcomes through direct experience that is in accordance with the concrete operational stage according to Piaget's theory. Digital media such as Wordwall-based E-LKPD, the Genially application, and augmented reality provide visual and interactive learning experiences that support conceptual understanding in accordance with Edgar Dale's Cone of Experience theory. Combined media such as KOMET-QR combines concrete and digital elements to provide contextual and comprehensive learning. The results of the study conclude that the selection of appropriate and varied learning media, in accordance with student characteristics and pedagogical principles, can effectively improve the quality of mathematics learning in elementary schools. Educators are expected to be able to explore and develop innovative and effective learning media that are adapted to student needs and developments in educational technology.
Pengaruh Kemampuan Berpikir Kritis dan Kepercayaan Diri terhadap Kemampuan Pemecahan Masalah Matematika Namira Dyah Ramadhani; Amalia Fitria
Griya Journal of Mathematics Education and Application Vol. 5 No. 3 (2025): September 2025
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v5i3.772

Abstract

Critical thinking skills and self-confidence are two crucial elements supporting students’s academic proficiency, particularly in mathematics education. This study investigated the impact of critical thinking ability and self-confidence on the mathematical problem-solving skills of tenth-grade high school students. A quantitative, ex-post facto research design was employed. The study’s population consisted of all tenth-grade students at SMA Negeri 1 Kedungwuni, with a sample of 30 students from class X.E.7 selected via simple random sampling. Collection involved both test instruments and questionnaires. Essay questions were used in the tests to asessess critical thinking and mathematical problem-solving abilities, while the questionnaires measured student’s self-confidence levels. The tests were conducted directly, whereas the questionnaires were distributed via Google Form. Analysis techniques for this research included simple linear regression and multiple linear regression. The analysis results revealed a significant influence, both partially and simultaneously, of critical thinking skills and self-confidence on mathematical problem-solving ability. The synergy of these two factors mutually supports and enhances students’ optimal performance in solving mathematical problems.
Penerapan Uji Chi-Square Terhadap Faktor Perilaku Pengelolaan Sampah di Pesisir Leato Selatan Silfana, Bela; Payu, Muhammad Rezky Friesta
Griya Journal of Mathematics Education and Application Vol. 5 No. 3 (2025): September 2025
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v5i3.791

Abstract

The waste problem in coastal areas is increasingly worrying due to increasing human activity and low public awareness. One of the main issues is suboptimal waste management practices, such as littering and failure to separate waste types. This study aims to determine the relationship between age, education level, knowledge, attitudes, and availability of facilities with waste management practices in coastal communities. The method used was quantitative with a descriptive analytical design. Primary data were collected from 347 respondents through a validated and reliability-tested questionnaire. The sampling technique used was purposive sampling. Data analysis was performed using the Chi-Square test to examine the relationship between variables. The results showed that attitudes and availability of facilities have a significant relationship with community waste management practices. These factors influence how communities manage waste in coastal areas.

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