Transformasi : Jurnal Pendidikan Matematika dan Matematika

PENGARUH MEDIA TRANSGO TERHADAP PEMAHAMAN KONSEP TRANSFORMASI GEOMETRI PADA SISWA SMP

Isti Hari Wahyuni — 2024-05-29

This research was motivated by problems in the field regarding the difficulties of junior high school students in understanding geometric transformation material. This research was carried out at Bhara Widya Catholic Middle School Lumajang in accordance with the results of observations which showed that learning media had never been used to instill the concept of geometric transformation. The aim of this research is to determine the influence of using Transgo media on understanding the concept of geometric transformation in class IX students at the school. This research is an experimental type of research with a quantitative design, posttest only control design. The instrument used was a comprehension test and the data was analyzed using inferential statistics. The results of the research show that there is a positive effect of using Transgo media on understanding the concept of geometric transformation in class IX students at Bhara Widya Catholic Middle School, which is known through the Asymp.Sig (2-tailed) value of 0.000 < 0.05 with an influence of 28.87% (more than 20%). Transgo media can be implemented in learning in other locations to increase students' understanding of geometric transformation material.

EKSPLORASI NILAI MATEMATIKA PADA TINGKATAN TELUR MAULID CIKOANG TAKALAR

Andi Mulawakkan Firdaus — 2024-05-29

Mathematics as part of learning, requires daily life such as culture to be used as a learning source. One of the Takalar cultures is the celebration of Cikoang mawlid, also cannot be separated from mathematics. This celebration contains mathematical concepts, especially at the egg level. The aim of this research is to explore mathematical concepts found at the Cikoang mawlid egg level in Takalar district. This research uses an ethnographic approach. Data collection was carried out using literature review, observation and interview techniques. The results showed that at the egg level, the concept of arithmetic sequences and series was found. Furthermore, this concept can be developed to become part of mathematics learning.

ANALISIS KEGAGALAN PENALARAN KOVARIASIONAL MAHASISWA DALAM MENGONSTRUKSI GRAFIK FUNGSI

Barep Yohanes — 2024-05-29

This research aims to identify failures in covariational reasoning of mathematics education students in the Numerical Methods course. This research is descriptive qualitative type with the researcher as the main instrument and supporting instruments in the form of assignment sheets, interview guides and documentation. The research subjects were 18 students from the Mathematics Education study program, FMIPA, PGRI Banyuwangi University. The work results are grouped into 5 based on the type of function graph created, namely subjects without function graphs (4 students), graphing linear functions (5 students), graphing quadratic functions (6 students), graphing polynomial functions (1 student), and graphing circle functions (2 students). Covariational reasoning failures are identified based on the 5 mental actions that Carlos has compiled. The results showed that there was failure of mental action 1 in groups 1 subjects; 2nd mental failure in subjects groups 1 and 5; 3rd mental failure in subjects groups 1 and 4; 4th mental failure in subjects groups 1 subjects and 3, and mental failure 5 in subjects groups 1 and 2. Research can be continued by exploring aspects of the causes of failure in covariational reasoning.

ANALISIS BIBLIOMETRIK TREN GLOBAL KOMUNIKASI MATEMATIKA DALAM PENDIDIKAN (1995-2023)

Allisa Madepera — 2024-06-25

This research aims to provide information related to global research trends on mathematical communication. A bibliometric study was used to see the development of international articles on mathematical communication from 1995 to 2023 through the Dimensions database. This research uses a bibliometric analysis method through the flow diagram stages of Preferred Reporting Items for Systematic Reviews and Meta-Analyses. The results of this research show that mathematical communication is still a topic of interest for research, with the article entitled “There is more to discourse than meets the ears: Looking at thinking as communicating to learn more about mathematical learning” by Anna Sfard being the article with the most citations. The most articles in the SDGs are in the field of quality education, while the AIP Conference Proceedings is the publication that contains the most mathematical communication topics. Apart from that, it is also known that Yus Mochamad Cholily is the writer with the highest productivity on the topic of mathematical communication. The terms related to mathematical communication that are most popular in research are: cognitive style, PJBL, linear equations and mathematical expression. As for future research, it is hoped that there will be a link between mathematical communication with: emotional intelligence, PjBL and initial ability. The results of the co-authorship analysis show that there is one largest cluster containing eight authors. These results can be the basis for developing further research related to mathematical communication.

IMPLEMENTASI LKPD DENGAN PENDEKATAN RME BERBASIS ETNOMATEMATIKA “GEDRIK” MATERI LUAS BANGUN DATAR

Wiryanto Wiryanto — 2024-06-28

This research aims to determine the effectiveness of student worksheets that use the RME approach based on the ethnomathematics of gedrik game in the mathematics learning process regarding the area of flat shapes. This research allows students to carry out learning activities from contextual situations based on the traditional gedrik game, which is developed into cutting, measuring, calculating, and comparing activities. The method used is descriptive qualitative with a design research type in three stages, namely: preparation, experimental implementation, and retrospective analysis. This research involved five grade 5 students of SDN 1 Ngantru as respondents. The results of the research show that there is a compatibility between the Actual Learning Trajectory and the Hypothetical Learning Trajectory, meaning that the student worksheets with the RME approach based on ethnomathematics of gedrik game is effectively used in understanding students about the area of flat shapes. The results of this research can be tested in other schools at the same level, and developed by utilizing other cultures that are close to students’ daily lives in the form of student worksheets with an ethnomathematics-based RME approach

EFEKTIVITAS LKPD BERBASIS ETNOMATEMATIKA UNTUK MENINGKATKAN KEMAMPUAN PEMECAHAN MASALAH DAN MOTIVASI BELAJAR

Fitriasih Eka Destareiza — 2024-06-28

This research aims to determine the effectiveness of ethnomathematics-based student worksheets teaching materials to improve students' problem-solving abilities and learning motivation. This research was conducted using a pretest-posttest control group design, with an experimental research type. The research population was students in class VII of SMP Negeri 1 Sedayu, while the sample was students in class VII B and VII E. Data collection was carried out using test and questionnaires. Data analysis was carried out using Wilcoxon Ranked-Signed Test, Mann-Whitney U Test, and mean difference test. This method was used because the data obtained was not normally distributed. The results of the research show that the use of ethnomathematics-based student worksheets is effective in increasing students’ problem solving abilities and learning motivation. Further research can be carried out using a larger number of samples or determining a sample with a normal distribution so that the research results can be generalized to the population.

PERANAN MODEL CBL-STEM CONTEXT TERINTEGRASI WORWALL DAN VIDEO INTERAKTIF TERHADAP LITERASI NUMERASI

Stefany Margaretha Hutauruk — 2024-07-25

The challenges of the 21st century require learners to have abilities, one of which is numeracy literacy. However, the facts show that students' numeracy literacy is still low. So, learning innovations are needed that support the development of numeracy literacy. The CBL-STEM Context model integrated with Wordwall and interactive videos can be an alternative in increasing students' numeracy literacy. The purpose of this study is to describe efforts to increase numeracy literacy through the application of Challenge Based Learning (CBL) with STEM Context integrated with Wordwall and interactive videos.The research method used is Systematic Literature Review (SLR) with an analysis technique consisting of three steps, namely: (1) organization, (2) synthesis, and (3) identification. The results showed that CBL model supports meaningful learning process related to STEM Context in daily life. STEM Context, which is a combination of STEM Education and STEM Word integrated into CBL, can train learners to solve contextual problems. Wordwall integration also provides an interactive practice platform to deepen understanding of the material. A part from that, interactive videos are a medium that can visualize big ideas so that learners can more easily analyze, determine strategies and solve problems. The application of this innovation can increase learners' numeracy literacy. Therefore, the implementation of Challenge Based on STEM Context integrated Wordwall and interactive videos can be developed for various concepts in mathematics.

PEMAHAMAN KONSEP SPLDV PESERTA DIDIK KELAS VIII SMP 10 NOPEMBER JAKARTA

Farah Dita Auliya — 2024-08-09

This research aims to describe the understanding of mathematical concepts of class VIII students at SMP 10 November Jakarta in the material Systems of Linear Equations in Two Variables (SPLDV). This research is a mix-method type or combined research (quantitative-qualitative). The respondents were 28 students in class VIII-B, and 1 mathematics teacher as informant. Data collection was carried out using test and interview techniques. The results show that class VIII-B students’ understanding of the SPLDV concept is still relatively low. Indicators of concept understanding that has not been achieved optimally are: classifying objects according to certain properties in accordance with concept, presenting concepts in various forms of mathematical representation, and developing necessary and sufficient conditions for a concept. The failure to understand this concept is due to students’ lack of focus in the learning process and efforts can be made to improve this by asking students to repeat learning at home.

PENGARUH MODEL COOPERATIVE SCRIPT DENGAN GAME ONLINE WORDWALL TERHADAP PENINGKATAN KOMUNIKASI MATEMATIS DAN MINAT BELAJAR SISWA

Hamidah Hamidah — 2024-08-09

This study aims to determine the effect of the Cooperative Script learning model combined with Wordwall online games on improving the mathematical communication skills and interests of junior high school students. The research was conducted quantitatively with a pretest-posttest control group design. The research sample consisted of 35 students in class VIIA and 36 students in class VIIIB who were chosen randomly. The experimental group was given learning using Cooperative Script with the Wordwall games, while the control group used the conventional methods. The instruments used include mathematical communication ability tests and student learning interest questionnaires. Interest questionnaire data were analyzed using descriptive statistics, while mathematical communication ability test data were analyzed using inferential statistics consisting of prerequisite tests, hypothesis testing, n-gain tests, and correlation tests. The results showed that students' learning interest in the experimental group experienced a higher increase compared to the control group. In addition, the use of the Cooperative Script learning model with Wordwall online games significantly improves students' mathematical communication skills compared to conventional methods. The results of the R square determination coefficient test also show that the Cooperative Script learning model with the online game Wordwall has a 60% influence on students’ mathematical communication skills.

METODE PROJECT BASED LEARNING UNTUK MENINGKATKAN KEMAMPUAN PEMAHAMAN KONSEP ANALISIS INSTRUMEN PADA MATA KULIAH EVALUASI PEMBELAJARAN MATEMATIKA

Diah Oga Nusantari — 2024-08-10

Student-centered learning is very essential in producing graduates who have good competencies and are ready to work. As prospective teacher, Matematics Education students are expected to have competence in evaluating the implementation of learning in the classroom. This research aims to determine the increase in the ability to understand the concept of instrument analysis in the Mathematics Learning Evaluation course after using the Project Based Learning (PjBL) method. The research was conducted using the classroom action research method. The result show that in the cognitive domain, students can determine the correct formula according to the type of item on the instrument. In the intrapersonal domain, the search for real knowledge and various problems as well as the application of knowledge that is not limited only to theory can increase the development of students’ affection. As for teh interpersonal domain, students are taught to educate themselves to do self regulationt and to be cohesive among them to create a solid team work. Working on team also will improce student leadership. The increase in the ability to understand the concept of instrument analysis shows that the PjBL method can be used in other concepts in the Mathematics Learning Evaluation course, or in other courses.