Uninus Journal of Mathematics Education and Science (UJMES)

ANALISIS KESULITAN PESERTA DIDIK DAN FAKTOR-FAKTOR PENYEBABNYA PADA MATERI LUAS PERMUKAAN KERUCUT DAN TABUNG

Zihan Marcela Hapsari, Dedi Muhtadi, Sukirwan — Sun, 28 Jul 2024 00:00:00 +0000

The purpose of this study is to analyze students' difficulties in solving the surface area problem of cones and tubes and the factors that cause them. The research subjects consisted of 32 seventh grade learners in a public junior high school in Tasikmalaya City. The research instruments included tests to identify learners' difficulties and in-depth interviews with some learners to gain further insight into the factors causing difficulties. The results showed that most of the students had difficulties in understanding the basic concepts of three-dimensional geometry, especially in applying the formula for the area of cones and pipes. Common difficulties found included an inability to recognize the elements of cones and tubes, difficulty substituting values in the formula, and obstacles in basic algebra that affect the final calculation results. Further analysis revealed that factors contributing to these difficulties included a lack of visualization skills and spatial understanding. Discussion of the results highlighted the importance of a more interactive and contextualized approach to learning, including the use of visual aids and manipulatives to help students visualize three-dimensional shapes and better understand the concept of surface area. The implications of this study include improving the curriculum and teaching strategies for mathematics at the junior secondary level, with a focus on developing learners' visualization skills and spatial understanding.

PENGEMBANGAN LEMBAR KERJA PESERTA DIDIK BERDIFERENSIASI EKSTOVERT DAN INTROVERT BERBASIS PROYEK

Mezayu Maura Sejati, Anton Jaelani — Thu, 28 Nov 2024 00:00:00 +0000

In mathematics learning at school, there are not many teaching materials that can support the learning process according to the needs of each student. One solution that can help students learn according to their needs is to use differentiated Student Worksheets (LKPD). The aim of this research is to produce a product in the form of a differentiated LKPD in terms of extrovert and introvert personalities using a project-based learning model on flat-sided building material for junior high school students. This type of research is Research and Development (RnD) with a 4D development model by Thiagarajan, which goes through 4 stages: Definition, Design, Development, and Dissemination. The subjects of this research were students in class VIII H of SMPN 5 Purwokerto. The instruments used are questionnaires to measure validity criteria and response questionnaires. The results of the research show that the differentiation LKPD in terms of extrovert and introvert personalities using a project-based learning model on flat-sided building material for junior high school students has met the very valid criteria with an average score of 3.63. Apart from that, this LKPD also received a very practical category with an average score of 3.13. These results indicate that this development product is suitable for use in the learning process.

PENINGKATAN KEMAMPUAN LITERASI MATEMATIS SISWA MELALUI PENDEKATAN REALISTIC MATHEMATICS EDUCATION (RME)

Fina Eftiana — Thu, 28 Nov 2024 00:00:00 +0000

This study was motivated by the low mathematical literacy ability in mathematics learning. The purpose of this study was to determine the difference in the average improvement of students' mathematical literacy skills. The research method used quasi experimental with non-equivalent control group research design. The population in this study were all students at SMPN 51 Bandung grade VIII even semester of the 2022/2023 academic year. The samples in this study were class VIII.1 as the experimental class and class VIII.2 as the control class. In the experimental class learning using realistic mathematics education (RME) approach, while in the control class using deductive approach. The data collection technique used was a test. Based on the results of the analysis, it can be concluded that the average increase in students' mathematical literacy skills in learning flat-sided space building using the realistic mathematics education (RME) approach is in the high category has a significant difference compared to using the deductive approach in the medium category. It is recommended that research be carried out using more varied methods and media so that the results obtained are more optimal.

KEEFEKTIFAN MODUL AJAR INVERS MATRIKS BERBASIS PROJECT-BASED LEARNING TERKAIT KEMAMPUAN KONEKSI MATEMATIS MAHASISWA

Rizqon Fuadi Fadlurrochman, Muhammad Ihsan — Thu, 28 Nov 2024 00:00:00 +0000

This research is motivated by the lack of teaching materials that meet the needs of curriculum development and the limited mathematical connection abilities of students in the topic of matrix inversion, as well as the ineffectiveness of available teaching materials. The aim of this research is to determine the effectiveness of a teaching module developed using the Project-Based Learning model. The research method used in this study is the Design Research method with the Plomp model. The instruments used are mathematical connection ability tests, affective domain questionnaires, affective domain observations, and psychomotor domain observations. Data were analyzed using percentages interpreted according to their qualifications. Based on the analysis, it can be concluded that the teaching module developed is effective for use in the learning process. It is recommended that the teaching module be used in both school and university learning.

DESAIN PEMBELAJARAN BILANGAN BERPANGKAT BERBANTUAN PERMAINAN MATCHING-OPERATION UNTUK MEMFASILITASI RETENSI DAN MINAT BELAJAR PESERTA DIDIK

Lilis Patimah Lilis, Farhan Maulana Muslim — Thu, 28 Nov 2024 00:00:00 +0000

This study aims to develop a learning design for rank numbers with the help of Matching-Operation game to facilitate students' retention and interest in learning. This research uses Design Research method with ADDIE design. The results showed that the learning design of power numbers with the help of the Matching-Operation game was included in the very valid category. Retention and interest in learning of students fall into the high and very high categories after carrying out the learning process using the Matching-Operation game. Based on these results, it can be concluded that the learning design of power numbers with the help of the Matching-Operation game can facilitate students' retention and interest in learning.

PENGEMBANGAN E-MODUL TRANSFORMASI GEOMETRI BERBANTUAN PADLET TERKAIT KEMAMPUAN KONEKSI MATEMATIS PESERTA DIDIK SEKOLAH MENENGAH PERTAMA

Anisa Septriani, Elsa, Najlaa Kania Khaerunnisa, Rachma Sundhari, Selma Auliya — Thu, 28 Nov 2024 00:00:00 +0000

The need for students to use appropriate teaching tools using information technology is a challenge for educators. So it is necessary to develop teaching tools that are assisted by information technology, including e-modules. This study aims to determine the validity and mathematical connection ability of students after using the Padlet-assisted geometry transformation e-module. The research method uses Research and Development (R&D) with ADDIE's design. The data sources came from material expert validators, media experts, and students. The data collection technique uses validation sheets of material experts, media experts, observations, questionnaires, and mathematical connection ability tests. Data on validation, observation, and questionnaire results were analyzed by percentage and descriptive analysis and test result data were analyzed by percentage of learning completeness. Based on the results of the analysis carried out, it can be concluded that the e-module developed is very valid. The average value of mathematical connection ability is 80.28 with moderate criteria.

DESAIN LinEq-TV MAZE UNTUK MEMFASILITASI RETENSI DAN MINAT BELAJAR PESERTA DIDIK

Ridwan Akbar Nur Alam iwan, Teti Hotimah Elvandari, Abdul Wahid — Thu, 28 Nov 2024 00:00:00 +0000

What happens in the field is that students lack interest in learning mathematics because mathematics is considered a difficult subject to understand and has an impact on students' memory of the material that has been taught. This is a challenge for educators to find the right learning method. So, it is necessary to develop a learning method with the help of games for SPLDV material. The purpose of this study was to determine the feasibility, retention, and interest in learning after learning mathematics with the help of math maze on SPLDV material. The research method used is Design Research (DR). with ADDIE design. Data were obtained through media expert validators and material experts, as well as students. Data collection techniques include media and material expert validation sheets, post tests and retests, learning interest questionnaires, and interviews. The results of the validation of math maze-based learning media include very valid criteria. Retention of student learning outcomes after learning SPLDV through math maze is classified in the high category. Students' interest in learning after learning SPLDV through math maze is classified in the very interested category.

PROFIL KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA MTs BERKEMAMPUAN MATEMATIKA TINGGI PADA MATERI BARISAN DAN DERET ARITMETIKA

Muhammad Ari Subhi, Ade Eky Setiaji — Thu, 28 Nov 2024 00:00:00 +0000

The ability to solve mathematical problems is crucial for students as it can spark curiosity, enhance the application of scientific knowledge, and encourage students to utilize all their abilities in solving everyday problems. This research is a descriptive qualitative study that aims to present the profile of the mathematical problem-solving abilities of high-achieving mathematics students at the MTs (Islamic Junior High School) level in the topic of Arithmetic Sequences and Series. The subjects of this study were two high-achieving mathematics students from the eighth grade at MTs during the second semester of the 2023/2024 academic year. The selection of subjects was based on assessment results from the previous semester. The data collection techniques used in this study were written tests, interviews, and documentation. The data analysis technique employed was interpretive analysis. The data analysis was based on Polya's problem-solving process framework. The research findings revealed that high-achieving mathematics students met the problem-solving process through the phases of understanding the problem, devising a plan, and carrying out the plan. However, high-achieving students did not fully meet the problem-solving process through the looking back phase. Therefore, special attention is needed to guide students to become accustomed to revisiting and checking their solutions when solving mathematical problems.