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The effect of teaching props on the mathematical problem-solving skills: A meta-analysis study Widodo, Sri Adi; Sari, Yuyun Novita; Chiphambo, Shakespear Maliketi; Fitriani, Nelly; Sulistyowati, Fitria; Murtafiah, Wasilatul; Pratama, Deri Fadly
Jurnal Infinity Vol 14 No 1 (2025): VOLUME 14, NUMBER 1, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v14i1.p235-258

Researchers have widely researched the effects of teaching props, and most concluded that, statistically, there is an effect on problem-solving ability. However, how significant is the effect on problem-solving ability, and whether their research results are parallel to other research they have yet to do? So, the reliability of research related to teaching props still needs to be considered. This research aims to analyze the results that examine teaching props on problem-solving abilities. The method used in this research is meta-analysis. This research was carried out through meta-analysis stages, namely determining inclusion criteria, collecting data and coding variables, statistical analysis by determining the effect size, and making conclusions from the data obtained. Data collection was carried out by collecting data from research conducted from 2018 to 2023 on the Google Scholar database. This data collection obtained twenty-six (26) studies that met the inclusion criteria for extraction from research and development, experimental, and quasi-experimental. Effect size measures the effect of teaching props on students' problem-solving abilities. Based on these calculations, an effect size value of 2.449. This research indicates a significant and positive influence between teaching props and students' problem-solving skills, especially in mathematical learning. Therefore, it is necessary to develop teaching props to improve mathematical problem-solving skills.

Integrating local wisdoms for improving students’ mathematical literacy: The promising context in learning whole numbers Leton, Samuel Igo; Lakapu, Meryani; Dosinaeng, Wilfridus Beda Nuba; Fitriani, Nelly
Jurnal Infinity Vol 14 No 2 (2025): VOLUME 14, NUMBER 2, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v14i2.p369-392

The gap in the decline in PISA scores is likely due to an abstract and contextually irrelevant approach to teaching mathematics, which often fails to connect everyday experiences that utilize the potential of local wisdom to make learning more engaging and culturally relevant. This research aimed to develop mathematics learning materials that integrate local wisdom to improve students' mathematical literacy skills. The study employed the Research and Development (R&D) method with the ADDIE development model. The developed learning materials incorporated elements of Timor local culture, including traditional houses, handwoven fabrics, and traditional games, as contextual tools to enrich the learning experience. The quality of the developed product was evaluated for three aspects: validity, practicality, and effectiveness. The validation results showed an average score of 93.1%, which is included in the very valid category. Product implementation showed a significant increase in trial results, with all students meeting the minimum competency criteria after using the learning materials. The final score of students' responses after using this developed product is 96.93%, categorized as very practical. The average N-Gain score of 0.76 significantly increased students' mathematical literacy skills. Feedback from students highlighted that learning materials inspired by local wisdom made the learning process more engaging and relatable. Teachers appreciated the inclusion of cultural elements, noting that they facilitated a deeper connection between mathematical concepts and students' everyday experiences. The research underscores the transformative potential of a culture-based approach in mathematics education.

The effect of teaching props on the mathematical problem-solving skills: A meta-analysis study Widodo, Sri Adi; Sari, Yuyun Novita; Chiphambo, Shakespear Maliketi; Fitriani, Nelly; Sulistyowati, Fitria; Murtafiah, Wasilatul; Pratama, Deri Fadly
Jurnal Infinity Vol 14 No 1 (2025): VOLUME 14, NUMBER 1, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v14i1.p235-258

Researchers have widely researched the effects of teaching props, and most concluded that, statistically, there is an effect on problem-solving ability. However, how significant is the effect on problem-solving ability, and whether their research results are parallel to other research they have yet to do? So, the reliability of research related to teaching props still needs to be considered. This research aims to analyze the results that examine teaching props on problem-solving abilities. The method used in this research is meta-analysis. This research was carried out through meta-analysis stages, namely determining inclusion criteria, collecting data and coding variables, statistical analysis by determining the effect size, and making conclusions from the data obtained. Data collection was carried out by collecting data from research conducted from 2018 to 2023 on the Google Scholar database. This data collection obtained twenty-six (26) studies that met the inclusion criteria for extraction from research and development, experimental, and quasi-experimental. Effect size measures the effect of teaching props on students' problem-solving abilities. Based on these calculations, an effect size value of 2.449. This research indicates a significant and positive influence between teaching props and students' problem-solving skills, especially in mathematical learning. Therefore, it is necessary to develop teaching props to improve mathematical problem-solving skills.

Integrating local wisdoms for improving students’ mathematical literacy: The promising context in learning whole numbers Leton, Samuel Igo; Lakapu, Meryani; Dosinaeng, Wilfridus Beda Nuba; Fitriani, Nelly
Jurnal Infinity Vol 14 No 2 (2025): VOLUME 14, NUMBER 2, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v14i2.p369-392

The gap in the decline in PISA scores is likely due to an abstract and contextually irrelevant approach to teaching mathematics, which often fails to connect everyday experiences that utilize the potential of local wisdom to make learning more engaging and culturally relevant. This research aimed to develop mathematics learning materials that integrate local wisdom to improve students' mathematical literacy skills. The study employed the Research and Development (R&D) method with the ADDIE development model. The developed learning materials incorporated elements of Timor local culture, including traditional houses, handwoven fabrics, and traditional games, as contextual tools to enrich the learning experience. The quality of the developed product was evaluated for three aspects: validity, practicality, and effectiveness. The validation results showed an average score of 93.1%, which is included in the very valid category. Product implementation showed a significant increase in trial results, with all students meeting the minimum competency criteria after using the learning materials. The final score of students' responses after using this developed product is 96.93%, categorized as very practical. The average N-Gain score of 0.76 significantly increased students' mathematical literacy skills. Feedback from students highlighted that learning materials inspired by local wisdom made the learning process more engaging and relatable. Teachers appreciated the inclusion of cultural elements, noting that they facilitated a deeper connection between mathematical concepts and students' everyday experiences. The research underscores the transformative potential of a culture-based approach in mathematics education.

Exploratory Data Analysis on Mathematics Learning Difficulties for Junior High School Students/MTs on Solving Story Problems in Terms of Gender Yusnita, Irra; Sumarmo, Utari; Fitriani, Nelly
(JIML) JOURNAL OF INNOVATIVE MATHEMATICS LEARNING Vol. 8 No. 1 (2025): VOLUME 8 NUMBER 1, MARCH 2025
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jiml.v8i1.25262

Mathematics subjects at various levels of education are still considered difficult. One of the mathematical skills that students still lack mastery of is mathematical communication. Otherwise in mathematics learning, as explained in NCTM, "communication is a fundamental element of mathematics learning," which means that communication is a basic element in mathematics learning. Mathematical story problems are a form of problem in mathematical communication competence. Moreover, based on the PISA report, with low language skills, students' ability to solve story problems also becomes much more difficult. This purpose study are to indentify and analyze the difficulties of junior high school students in solving math story problems and alternatives to overcome them, and also demography analyze these difficulties based on gender, age and elementary school educational background. Utilizing an Exploratory Data Analysis (EDA) approach, data were collected from 291 students in grades 7, 8, and 9. The findings indicate that most students struggle with understanding the text of word problems, identifying relevant information, and modelling mathematical problems. Further analysis reveals that 9th-grade students, particularly those older, encounter more complex challenges but demonstrate better problem-solving abilities. Gender differences were observed in learning strategies, with female students tending to use more structured strategies such as note-taking or diagramming.

Penerapan pendekatan realistic mathematics education (RME) berbantuan teknologi interaktif untuk meningkatkan kemampuan pemecahan masalah matematis siswa kelas VIII Lestari, Anjani Putri; Fitriani, Nelly; Bernard, Martin
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol. 8 No. 1 (2025): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v8i1.24668

The purpose of this study was to determine whether the improvement in mathematical problem-solving abilities of eighth-grade students whose learning implemented the Realistic Mathematics Education (RME) approach assisted by interactive technology was better than students with regular learning. The research method used was a quantitative method using a quasi-experimental research type with a Pretest Posttest Nonequivalent Control Group design. The population of this study was all eighth-grade students of SMP Negeri 4 Cimahi with a research sample of students in class VIII H as the experimental class and class VIII K as the control class. The research instrument used a problem-solving ability test. The test result data were analyzed using the Mann Whitney test. The study showed that the mathematical problem-solving abilities of students whose learning implemented the RME approach assisted by interactive technology were better than students who used regular learning.

Application of the contextual teaching and learning model assisted by geogebra to enhance eighth-grade students’ mathematical understanding of systems of linear equations in two variables Sihombing, Karlina; Fitriani, Nelly; Amelia, Risma
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol. 8 No. 1s (2025): Special Issue
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v8i1s.26815

The purpose of this study is to obtain descriptive results regarding the application of the ctl model assisted by geogebra to improve mathematical understanding before and after the implementation of the ctl teaching approach assisted by geogebra in class viii smpn satap jayakerta for systems of linear equations in two variables material. 10 students were the subjects in this study. experiments in the form of comprehension ability test questions are the methods applied in this study. data analysis was carried out by implementing the pre-experimental design with the one group pretest-posttest design design. the findings in this study indicate that there is an influence of the ctl teaching approach using geogebra, found in the data analysis that has a sign value ≤0.05 which means that there is an increase in mathematical understanding before and after the implementation of the ctl teaching model assisted by geogebra for systems of linear equations in two variables material.

The Development of Learning Media on Building Three-Dimensional Shape using E-Comic Fitriani, Nelly; Ronny, Renata Teddy
(JIML) JOURNAL OF INNOVATIVE MATHEMATICS LEARNING Vol. 8 No. 2 (2025): VOLUME 8 NUMBER 2, JUNE 2025
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jiml.v8i2.24636

The importance of the teacher's role in increasing students' interest and motivation in learning mathematics is that one of the steps taken is using interactive learning media in the form of E-Comic supported by the RME (Realistic Mathematics Education) learning approach. Using E-Comic in mathematics lessons can summarize the material and present it interestingly. This study aims to describe the development of learning media using E-Comic, students' responses to E-Comic on cylindrical geometry material, and the process of developing E-Comic. This study is an RnD (research and development) study using the ADDIE model with four stages, namely analysis, design, development, and implementation. The subjects of this study were 30 junior high school students and 3 validators as media experts and material experts. The object of this study is the learning media for cylindrical geometry using E-Comic with the RME approach with the help of the Canva application. The data collection tools used were validation sheets and student response questionnaires. The response questionnaire was closed and contained eight questions. The results of this study indicate an average validation of the E-Comic media of 80% with a very valid category. At the same time, the average student response results were 87% with a very practical category. From the results obtained, the E-Comic learning media with the RME approach is very valid and practical to use in the learning process and can increase students' interest and motivation to learn about the material on cylindrical spatial structures.

Ethnomathematics on Ayunan Jantra in Bali: Integration of Mathematical Concepts in Culture Al-Jabar, Sheilla Zalzabilla; Fauzi, Fikri; Hidayat, Wahyu; Fitriani, Nelly; Supriatna, Tatang
(JIML) JOURNAL OF INNOVATIVE MATHEMATICS LEARNING Vol. 8 No. 2 (2025): VOLUME 8 NUMBER 2, JUNE 2025
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jiml.v8i2.26861

This research explores the concept of ethnomathematics in the ayunan jantra culture in Majalangu Village, Denpasar, Bali. Using an ethnographic approach, this research identifies the mathematical elements contained in the making, structure and use of the jantJra swing. The research was conducted through observation, interviews and documentation when the ayunan jantra was used at a Balinese traditional ceremony. The interview was conducted with Mr. I Made Semara Putra, the manager of the Subak TeBA Majalangu Educational Tourism foundation, Denpasar, Bali. Swing jantra has a philosophy about the values of life, namely the rotation of destiny that we do not know, but must be ready to live it. The main findings of this research are the application of the concepts of geometry, proportion and oscillation in the making and operation of the ayunan jantra. From the geometry aspect, the swing structure includes the position of the support, rotating shaft, and arms that refer to the principles of symmetry and balance. In addition, the measurement of the dimensions of the arms and stand shows the application of the concepts of proportion and comparison. The use of the ayunan jantra also involves the concept of oscillation where the rotating movement resembles harmonic oscillation. This research reveals that Balinese people have intuitively integrated mathematical concepts into their cultural traditions. The findings from this study offer new insights into the relationship between cultural traditions and mathematics learning that could contribute to developing ethnomathematics-based learning in schools. This research is expected to enrich culture-based mathematics learning methods and preserve the local wisdom of the Balinese people.

The Development of Student Worksheet to Enhance Students’ Mathematical Understanding on Two Variable Linear Equation System Topic Dallyono, Ruswan; Hidayat, Wahyu; Kurniasari, Yeni; Fitriani, Nelly
(JIML) JOURNAL OF INNOVATIVE MATHEMATICS LEARNING Vol. 8 No. 2 (2025): VOLUME 8 NUMBER 2, JUNE 2025
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jiml.v8i2.26877

Student worksheets play a crucial role in mathematics education by providing a structured framework for exploring concepts, practicing exercises, and achieving learning goals. However, understanding slope, intercepts, and graphing in linear equations with two variables (LETV) remains a common challenge for many students. Therefore, this study aims to develop a student worksheet for linear equations with two variables to enhance students’ comprehension in that specific area of mathematics for junior high school students based on their difficulties in solving problems on linear equations with two variables and to identify such difficulties based on articles written by 20 scholars published in Sinta-accredited journals. This qualitative study used text data from 20 nationally Sinta-accredited peer-reviewed mathematics education journals that presented articles about the challenges or difficulties of this topic as experienced by students. The data were analyzed through an SLR method by identifying the patterns of students’ difficulties or challenges and by analyzing how the student worksheet will handle such problems as reported in journal articles. This study also reveals that students’ challenges in studying this topic of maths involve conceptual misunderstandings, procedural errors, graphical interpretation issues, lack of real-world application, lack of creativity, lack of ability in writing mathematical representations, difficulty in understanding word or story problems, lack of mathematical process skills, and recklessness.

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