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Prismatika: Jurnal Pendidikan dan Riset Matematika
Published by Universitas Insan Budi Utomo
ISSN : 26546140     EISSN : 26564181     DOI : https://doi.org/10.33503/prismatika.v8i2
Core Subject :
Jurnal ini ditujukan bagi dosen, guru, praktisi pendidikan maupun mahasiswa yang hendak mempublikasian artikel ilmiah terkait matematika murni dan pendidikan matematika. Artikel yang dimuat merupakan artikel hasil penelitian, kajian ilmiah yang kritis dan komprehensif atau resensi dari buku ilmiah. Scope artikel terdiri dari: 1. Mathematics Learning Theory 2. Mathematics Learning Media (IT and manual) 3. Mathematics Education Curriculum 4. Analysis of Students Abilities in Learning 5. Analysis of Students Difficulties in Learning 6. Classroom action research 7. Application of Learning Approaches/Models/Methods/Strategies 8. Ethomathematics 9. Analysis Mathematics 10. Algebra 11. Statistics 12. Discrete Mathematics 13. Mathematical Modelling
Arjuna Subject : -
Articles 193 Documents
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KEMAMPUAN GURU MATEMATIKA DALAM PENGAJUAN MASALAH Widayanti, Evi; Ekawati, Rooselyna; Rahaju, Endah Budi
Prismatika: Jurnal Pendidikan dan Riset Matematika Vol. 8 No. 1 (2025): Prismatika: Jurnal Pendidikan dan Riset Matematika
Publisher : Universitas Insan Budi Utomo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33503/prismatika.v8i1.2094

Abstract

This study aims to identify teachers' ability to pose problems. This study uses a descriptive method with a qualitative approach. The data collection methods used are tests, semi-structured interviews, and open interviews. The research subjects were two mathematics teachers at a senior high school. The data were analyzed using the interactive analysis model of Miles, Huberman, and Saldana (2014), which consists of three stages: (1) data condensation; (2) data presentation; and (3) conclusion drawing and verification. The results showed that both subjects posed problems using the pre-solution posing type, which is posing questions based on the given situation or information, and within-solution posing, which is reformulating questions that have already been solved. Neither subject posed problems using the post-solution posing type, which involves modifying the objectives or conditions of a solved problem to create a new problem. In conclusion, teachers' problem-posing abilities showed differences, with ON tending to be limited to pre-solution posing with learning resource constraints, while IM was more varied and coherent. However, both agreed that problem posing is beneficial if supported by appropriate learning strategies and adequate learning resources to encourage student creativity and understanding.
PENGARUH REALISTIC MATHEMATICS EDUCATION BERBANTUAN ETHMAS QR-CODE TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIS Ade Nasicha Balqiz; Ratri Rahayu; Himmatul Ulya
Prismatika: Jurnal Pendidikan dan Riset Matematika Vol. 8 No. 1 (2025): Prismatika: Jurnal Pendidikan dan Riset Matematika
Publisher : Universitas Insan Budi Utomo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33503/prismatika.v8i1.2119

Abstract

Mathematical problem-solving skills are important to help learners apply mathematical concepts in everyday life. The mathematical problem-solving abilities of students at SMP Negeri 1 Bae Kudus are still considered low, as evidenced by the preliminary study results on the VII-B class students with an average score of 37.34. Based on these findings, this study aims to improve the mathematical problem-solving abilities of seventh-grade students thru the application of the Realistic Mathematics Education (RME) learning model assisted by Ethmas QR-Code media. This research uses a quantitative approach with a quasi-experimental design, where class VII-B is designated as the experimental group and class VII-A as the control group. The selection of the sample was conducted using the simple random sampling technique. The study population consisted of 256 students, with a sample of 2 classes comprising 64 students. Initial data analysis includes normality tests, homogeneity tests, and mean equality tests, while final data analysis involves independent two-sample t-tests, N-Gain calculations, and independent two-sample t-tests. The instrument used in this study is a test to measure students' mathematical problem-solving abilities. The results of this study indicate that: (1) The average mathematical problem-solving ability of students taught using the RME learning model with Ethmas QR-Code learning media is better compared to the average using the direct learning model. (2) There is a significant improvement in mathematical problem-solving abilities before and after the implementation of the RME model aided by Ethmas QR-Code media, with a high category of improvement. Further research is needed to study the ethnomathematics of Kudus culture and mathematical problem-solving abilities in flat shapes in order to generate innovative findings in mathematics education.
PREDIKSI HARGA TANDAN BUAH SEGAR KELAPA SAWIT MENGGUNAKAN MODEL GATED RECURRENT UNIT DI PROVINSI JAMBI Juniasti Gulo; Yurinanda, Sherli; Sormin, Corry
Prismatika: Jurnal Pendidikan dan Riset Matematika Vol. 8 No. 1 (2025): Prismatika: Jurnal Pendidikan dan Riset Matematika
Publisher : Universitas Insan Budi Utomo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33503/prismatika.v8i1.2138

Abstract

Oil palm is a leading commodity that plays a strategic role in Indonesia’s agricultural sector. Jambi Province is one of the main producers of fresh fruit bunches (FFB) is the main harvest product of oil palm. Although production levels are high and global demand continues to increase, FFB prices tend to fluctuate, creating income uncertainty for both farmers and industry players. These fluctuations are influenced by various factors and require a modeling approach capable of capturing historical patterns in time series data that are nonlinear and volatile. This study aims to apply the Gated Recurrent Unit (GRU) model to predict oil palm FFB prices in Jambi Province. GRU is selected because it is effective in processing sequential data and retaining long-term information through its update gate and reset gate mechanisms. The data used consist of daily FFB prices over the past three years. The research process includes preprocessing, normalization using the min–max scaler, data splitting (80% training and 20% testing), model training with various hyperparameter combinations, and evaluation using Mean Squared Error (MSE) and Mean Absolute Percentage Error (MAPE). The results show that the GRU model successfully captures the historical patterns of FFB prices. The best configuration was obtained with a learning rate of 0.01, hidden size of 128, batch size of 16, window size of 5, and 100 epochs. The model achieved an MSE of 0.0418 on the training data and a MAPE of 12.82% for the 50-day forecast. These values indicate a good level of accuracy, suggesting that the GRU model is suitable as a data-driven decision support tool to enhance price stability and assist plantation business planning in Jambi Province.
ANALISIS KEMAMPUAN PENALARAN MATEMATIS DITINJAU DARI KEPRIBADIAN EXTROVERT DAN INTROVERT Aprillia, Dwi; Mattoliang, Lisnasari Andi; Yuliany, Nur; Abrar, Andi Ika Prasasti; Ismail, Wahyuni
Prismatika: Jurnal Pendidikan dan Riset Matematika Vol. 8 No. 2 (2026): Prismatika: Jurnal Pendidikan dan Riset Matematika
Publisher : Universitas Insan Budi Utomo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33503/prismatika.v8i2.2164

Abstract

This research is driven by the importance of mathematical reasoning skills as a foundation for understanding concepts and solving mathematical problems, alongside indications of low proficiency in these skills, which is suspected to be linked to differences in personality types. The primary objective of this study is to determine the differences in mathematical reasoning abilities between extroverted and introverted students and to analyze the reasoning characteristics of each personality type. This study employs a mixed-methods approach with a sequential explanatory design, beginning with quantitative data collection through reasoning tests and the Eysenck Personality Inventory questionnaire administered to 65 grade XII MIA students at MAN 1 Bulukumba, followed by in-depth interviews with six selected subjects. The results show that: 1) there is a significant difference in mathematical reasoning abilities between extroverted and introverted students, with a significance value of 0.009; 2) Extroverted students tend to think quickly and rush, often skipping important steps in problem-solving. Conversely, introverted students tend to be more thorough and systematic in organizing their solution steps, although in some cases they still fall short in double-checking or drawing conclusions. The implication of this research is the importance of learning strategies tailored to personality types to optimize students' mathematical reasoning abilities.  
ANALISIS HASIL BELAJAR PESERTA DIDIK DALAM MENYELESAIKAN SOAL BANGUN RUANG SISI DATAR Khasana, Nabila Nurul; Yusri, Radhya; Melisa
Prismatika: Jurnal Pendidikan dan Riset Matematika Vol. 8 No. 2 (2026): Prismatika: Jurnal Pendidikan dan Riset Matematika
Publisher : Universitas Insan Budi Utomo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33503/prismatika.v8i2.2329

Abstract

This study was based on the low learning outcomes of students in solving problems related to flat-sided shapes. The purpose of this study was to determine the learning outcomes of students in class IX.7 at SMPN 5 Padang in solving problems related to flat-sided shapes. The method used in this study is descriptive with a quantitative approach. The study subjects were selected using purposive sampling, with a sample size of 25 students. The instrument used in this study is a learning achievement test. Student learning outcomes were analyzed using a 4-point scale covering three indicators, namely: (1) the ability to write down the aspects known in the questions, (2) the ability to answer the questions, and (3) the ability to conclude the problems in the questions. The selection of study subjects was based on the number of students, categorized by their abilities: two students with very high abilities, two students with high abilities, two students with moderate abilities, two students with low abilities, and two students with very low abilities. Based on the test analysis results, it was found that 32% of students achieved high learning outcomes, 28% achieved moderate learning outcomes, 28% achieved low learning outcomes, and 12% achieved very low learning outcomes. Students with high learning outcomes tended to make mistakes in the indicator of the ability to summarize problems. Students with moderate criteria were less careful in answering questions and did not solve problems accurately. Students with low criteria often made mistakes in answering questions and solving problems. Meanwhile, students with very low criteria had difficulty writing down the known aspects of the question, answering questions, and correctly concluding problems.
PENGARUH PENERAPAN MODEL PROBLEM BASED LEARNING (PBL) TERHADAP KEMAMPUAN LITERASI NUMERASI SISWA Saphyra, Aura; Usman; Dwi Fadhiliani
Prismatika: Jurnal Pendidikan dan Riset Matematika Vol. 8 No. 2 (2026): Prismatika: Jurnal Pendidikan dan Riset Matematika
Publisher : Universitas Insan Budi Utomo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33503/prismatika.v8i2.2333

Abstract

Numerical literacy is a crucial aspect of mathematics education in high school. However, a common issue is the low numerical literacy skills among students. One model that can be applied to improve students' numeracy literacy skills is the Problem Based Learning model (PBL). This study aims to investigate the influence of the PBL model on the numerical literacy skills of high school students, specifically in the topic of sequences and series. The research used a quantitative approach with a quasi-experimental design and a nonequivalent group design. The population for this study was all students in grade XI Social Sciences at SMA Negeri 1 Teunom. The research sample was selected using a total sampling technique, with one class designated as the experimental group and another as the control group. Data were collected using a numerical literacy test instrument in the form of essay questions on sequences and series. The data analysis was performed using the Mann-Whitney U test. The results show that students who learned using the PBL model had better numerical literacy skills compared to those who learned using a conventional teaching model. Therefore, the Problem Based Learning (PBL) model is recommended for teachers to improve students' numerical literacy skills.
MEDIA PEMBELAJARAN BERBASIS KEARIFAN LOKAL PADA ULAR TANGGA DENGAN KARTU SOAL UNTUK MENINGKATKAN PENALARAN PESERTA DIDIK Wulandari, Erlina Dwiyana; Marsitin, Retno; Fayeldi, Trija
Prismatika: Jurnal Pendidikan dan Riset Matematika Vol. 8 No. 1 (2025): Prismatika: Jurnal Pendidikan dan Riset Matematika
Publisher : Universitas Insan Budi Utomo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33503/prismatika.v8i1.2335

Abstract

Mathematics is one of the subjects that is considered difficult, boring, and the use of mathematics learning media in schools is still less than optimal due to limited media and time. This study aims to develop learning media based on local wisdom on snakes and ladders with valid, feasible, and effective question cards to improve students' reasoning. The study uses the ADDIE development model (Analysis, Design, Development, Implementation, Evaluation). The instrument uses a validation sheet, a response questionnaire, and reasoning test questions. The developed media was tested in a limited field trial involving 6 students of class VIIA and a large field trial involving 25 students of class VIIB at SMP Diponegoro Tumpang. The validity was obtained from the validation results, the feasibility was obtained from the response questionnaire, and the effectiveness was obtained from the results of the students' reasoning test. The validation results showed very high validity. The feasibility results were very feasible, namely, in the limited field obtained a result of 3.79 and in the large field, 3.31 which means media. The effectiveness results were very effective, namely, the test question score in the large field test was 95.6%. Based on the research results, it can be concluded that the local wisdom-based learning media, snakes and ladders, developed is very valid, very feasible, and very effective for use in learning and can improve students' reasoning. It is hoped that the local wisdom-based learning media, snakes and ladders, with question cards, can be used in mathematics learning.
PENERAPAN MODEL PEMBELAJARAN INQUIRY DALAM MENINGKATKAN KEMAMPUAN BERPIKIR KREATIF MATEMATIS SISWA Sitorus, Nurhanifah; Saragih, Sahat
Prismatika: Jurnal Pendidikan dan Riset Matematika Vol. 8 No. 2 (2026): Prismatika: Jurnal Pendidikan dan Riset Matematika
Publisher : Universitas Insan Budi Utomo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33503/prismatika.v8i2.2379

Abstract

This study aimed to improve students’ mathematical creative thinking skills through the implementation of the inquiry learning model. The study employed Classroom Action Research (CAR) conducted in two cycles involving 32 students of class VII-2 at SMP Negeri 2 Pancur Batu. Each cycle consisted of planning, action, observation, and reflection stages. The actions were carried out through inquiry steps, including problem orientation, problem formulation, hypothesis generation, data collection, hypothesis testing, and conclusion drawing. The instruments used were essay tests on mathematical creative thinking and observation sheets. The results showed a consistent improvement in students’ creative thinking skills, indicated by the increase in the average score from 32.38 in the pre-test to 62.50 in cycle I and 87.89 in cycle II, as well as classical mastery improvement from 3.12% to 90.62%. Improvements were also observed in all indicators, namely fluency, flexibility, originality, and elaboration. These findings indicate that the inquiry learning model is effective in enhancing students’ mathematical creative thinking skills and promoting active engagement in learning.  
PENGEMBANGAN MODUL MATEMATIKA BERBASIS GAMIFIKASI UNTUK MENINGKATKAN PEMAHAMAN KONSEP SISWA MATERI OPERASI HITUNG DASAR DAN PECAHAN Setiawan, Rudy; Wijaya, Elita Mega Selvia
Prismatika: Jurnal Pendidikan dan Riset Matematika Vol. 8 No. 2 (2026): Prismatika: Jurnal Pendidikan dan Riset Matematika
Publisher : Universitas Insan Budi Utomo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33503/prismatika.v8i2.2422

Abstract

Mathematics is an important subject in elementary school (SD) because it trains logical thinking and problem-solving skills for students. However, many students find math difficult and boring so their motivation to learn is low. This research aims to develop gamification-based mathematics modules on basic and fractional calculation operation materials to improve the understanding of elementary school students' concepts. The method used is Research and Development (R&D) with the ADDIE model which consists of Analysis, Design, Development, Implementation, and Evaluation stages. The analysis was carried out through observation and interviews with teachers at SDN Dinoyo 1 Malang. Design includes designing modules with gamification elements such as points, badges, challenges, and leaderboards. Development was carried out using Articulate Storyline and Canva Education, then validated by material and media experts with results suitable for use with minor revisions. The implementation will be carried out in June 2025 involving 30 students in grades IV-V. Evaluation shows pretest-posttest results with an average increase student score of 18.5 points (p<0.05). The student response was very positive, 92% stated that learning was fun and helped with concept understanding. Teachers also assessed that the modules facilitate the delivery of material and improve student learning activities. The conclusion of this study is that gamification-based mathematics modules are effectively used to improve the understanding of the concept of basic and fractional calculation operations in elementary school students.
ANALISIS PEMAHAMAN KONSEP MATEMATIKA BERDASARKAN GENDER DAN TINGKAT KEMAMPUAN SISWA PADA MATERI POLINOMIAL Sandra, Nabila Novia; Sari, Raras Kartika
Prismatika: Jurnal Pendidikan dan Riset Matematika Vol. 8 No. 2 (2026): Prismatika: Jurnal Pendidikan dan Riset Matematika
Publisher : Universitas Insan Budi Utomo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33503/prismatika.v8i2.2517

Abstract

This study aims to analyze students’ understanding of mathematical concepts based on gender and ability levels in the topic of polynomials at SMAN 14 Bandar Lampung. The study employed a descriptive qualitative approach involving six eleventh-grade students selected through purposive sampling to represent both male and female students with high, medium, and low levels of achievement. Data were collected through observation, tests, and interviews, and analyzed in three stages: data reduction, data presentation, and conclusion drawing. The results showed that high-ability male students were able to fully meet all three indicators of conceptual understanding translation, interpolation, and extrapolation. High-ability female students met only the translation and interpolation indicators, while medium-ability male students met all three indicators. In contrast, medium-ability female students were unable to fulfill any of the indicators due to difficulties in interpreting and applying concepts. Low-ability students, both male and female, were unable to fully meet any of the indicators. Gender was found to influence conceptual understanding, with male students performing better than female students. In conclusion, differences in gender and ability levels affect students’ understanding of mathematical concepts. Therefore, learning strategies that consider individual characteristics are essential to enhance the effectiveness and meaningfulness of mathematics learning.

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