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Inovasi Matematika (Inomatika)
Published by Universitas Muhammadiyah Bangka Belitung
ISSN : 26567431     EISSN : 26567245     DOI : https://doi.org/10.35438/inomatika
Core Subject : Education,
Mathematics
Jurnal Inovasi Matematika (INOMATIKA) merupakan jurnal Elektronik berisi hasil penelitian pada bidang matematika dan pendidikan matematika. Cakupan dan Ruang Lingkup Materi, meliputi: (1) Kurikulum Pendidikan Matematika, (2) Metode/Strategi Pendidikan Matematika, (3) Media Pembelajaran Matematika, (3) Pembelajaran Matematika Berbasis IT, (4) Soal PISA, (5) Penelitian Pengembangan, (6) Lesson Study pembelajaran matematika, (7) Realistik Mathematics Education, dan (8) Topik Lain yang Terkait dengan bidang matematika dan Pendidikan Matematika.
Arjuna Subject : Seni dan Humaniora - Seni dan Humaniora (Lain-Lain)
Articles 106 Documents
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Optimization of Mathematics Learning Interest and Achievement through Group Investigation Type Cooperative Learning Model in Online Learning Yudistira Aditya, Anggie; Al Faruq, Hammam; Susanto, Dwi
Jurnal Inovasi Matematika Vol 7 No 2 (2025): Inovasi Matematika (Inomatika)
Publisher : Pendidikan Matematika Universitas Muhammadiyah Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35438/inomatika.v7i2.499

Abstract

This study aims to evaluate the effectiveness of the Group Investigation (GI) cooperative learning model in enhancing students' interest and achievement in mathematics at SMP Unggulan Aisyiyah Bantul. The background of this research is the low interest and achievement in mathematics among students, who often perceive mathematics as a complex subject. The GI model was chosen for its potential to foster active collaboration and deep understanding. The research method used is Classroom Action Research (CAR), with two cycles, each consisting of two meetings. The research sample involved 28 students participating in online learning implementing the GI model. Data were collected through pretests and posttests to measure learning outcomes and questionnaires to assess students' interest in learning. The results showed a significant increase in students' learning outcomes after implementing the GI model. In the first meeting of the cycle I, the average posttest score reached 87.89, an increase of 7 points from the pretest. In the second meeting of cycle II, the average posttest score reached 98.93, an increase of 1.07 points from the previous meeting. Additionally, students’ interest in learning showed consistent improvement across enjoyment, attention, interest, and engagement indicators. In the second meeting of cycle II, 86% of students reported feeling very happy, 64% showed excellent attention, 61% exhibited very high interest, and 61% demonstrated very high engagement. In conclusion, implementing the Group Investigation cooperative learning model effectively improves students’ learning outcomes and interest in online mathematics learning. The integration of technology, such as the Zoom platform, supports effective collaboration in virtual environments and facilitates interactive learning that enhances material comprehension.
Students' Numeracy Ability on Data Elements and Data Uncertainty Muhammad Ilham; Nikmah Nurvicalesti
Jurnal Inovasi Matematika Vol 7 No 2 (2025): Inovasi Matematika (Inomatika)
Publisher : Pendidikan Matematika Universitas Muhammadiyah Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35438/inomatika.v7i2.503

Abstract

Numeracy skills are a person's skills to formulate, communicate, apply and use mathematical concepts in various situations to solve real-life problems. The purpose of this study is to determine the effectiveness of students' numeracy skills on data elements and data uncertainty. he research employs quantitative descriptive approaches. The sample for this study consisted of 32 seventh-grade students from a public junior high school in Belitang. This research's data collection techniques included written tests and documentation. The questions given consist of 4 questions with data presentation material. The test instrument is designed based on numeracy ability indicators and has met valid and reliable criteria. Data analysis in this research used a one-sample z test with the prerequisite of the shapiro-wilk normality test analysis. The results of the hypothesis test with a significance level of 5% stated that the p-value (0.0705 > 0.025), this can be seen that there is effectiveness in students' numeracy abilities in data elements and data uncertainty at class VII.
Exploring Palembang Cultural Context through PMRI in Mathematics Learning: A Systematic Literature Review E.I. Pusta Siligar; Ratu Ilma Indra Putri; Zulkardi, Zulkardi; Hapizah, Hapizah
Jurnal Inovasi Matematika Vol 7 No 2 (2025): Inovasi Matematika (Inomatika)
Publisher : Pendidikan Matematika Universitas Muhammadiyah Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35438/inomatika.v7i2.504

Abstract

The current cultural context has become a significant focus in mathematics education, serving not only as a bridge to formal understanding but also as a means of cultural preservation. This study aims to analyse the use of Palembang's cultural context in mathematics education through the Indonesian Realistic Mathematics Education (PMRI) approach. The analysis was conducted on articles indexed in Scopus and Google Scholar based on publication year, content, methods, student skills developed, and research findings. Data analysis techniques were based on the PIECES framework (Planning, Identifying, Evaluating, Collecting/Elaborating, Explaining, and Summarising). From the selection process, 20 articles that met the inclusion criteria were obtained. The analysis results showed that the dominant cultural context of Palembang included traditional food (pempek), traditional fabrics (songket and jumputan), and trading activities on the Musi River. The most frequently studied mathematical topics were geometry and algebra, with the design research method used as an approach to design learning and develop media such as worksheets, educational videos, and evaluation instruments. The students' ability most frequently focused on was conceptual understanding. These findings provide significant contributions to educators and researchers in developing context-based cultural mathematics learning through the PMRI approach.
Development of PANIPATIK (Batik Theme Place Value Board) Learning Media for Place Value Material Viliyati, Isania Marsel; Zabeta, Mewa
Jurnal Inovasi Matematika Vol 7 No 2 (2025): Inovasi Matematika (Inomatika)
Publisher : Pendidikan Matematika Universitas Muhammadiyah Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35438/inomatika.v7i2.507

Abstract

This study aims to develop PANIPATIK (Batik Themed Place Value Board) learning media that can facilitate learning place value material in fourth grade. The research method applied in this study is Research and Development (R&D) approach. with the ADDIE model, namely: Analysis, Design, Development, Implementation, and Evaluation. Data collection techniques used include observation, questionnaires, and tests. The results of the study indicated that the PANIPATIK media was classified very valid with a percentage of 93.84% from material experts and 95.00% from media experts. The practicality of the media is also very practical based on the response rate of 89.21% of students. The effectiveness of the media was assessed based on test results after using the PANIPATIK media, where students achieved an average score of 82.08 with a success rate of 83.33%, which falls under the good category. Thus, the PANIPATIK media is valid, effective, and well-received by students, making it suitable as one of the learning media supporting the mathematics learning process on place value material.
Mathematical Reasoning of Junior High School Students in Solving HOTS Problems in Terms of Self-Efficacy Aura Sya’banningrum; Sa'dijah, Cholis; Desi Rahmadani
Jurnal Inovasi Matematika Vol 7 No 2 (2025): Inovasi Matematika (Inomatika)
Publisher : Pendidikan Matematika Universitas Muhammadiyah Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35438/inomatika.v7i2.514

Abstract

This study aims to describe the mathematical reasoning of junior high school students in solving HOTS problems in terms of self-efficacy. This research is descriptive research with qualitative approach. This study involved three seventh grade students from a junior high school in Malang City, as research subjects. The data in this study were obtained using instruments, such as mathematical reasoning HOTS test sheet, self-efficacy questionnaire sheets, and interview guideline. Data analysis in this research consists of three stages, namely data reduction, data display, and conclusion drawing/verification. The results of research showed that student with low self-efficacy meets the indicators of reflecting the solution to a problem, while student with high self-efficacy and student with moderate self-efficacy are able to meet all indicators of mathematical reasoning, such as analyzing a problem, implementing strategy, and reflecting on a solution to a problem.
The Effect of the Articulation Learning Model on Students’ Mathematics Achievement Nasrul Bayumi; Dodik Mulyono; Anna Fauziah
Jurnal Inovasi Matematika Vol 7 No 2 (2025): Inovasi Matematika (Inomatika)
Publisher : Pendidikan Matematika Universitas Muhammadiyah Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35438/inomatika.v7i2.550

Abstract

This study analyzes the influence of the Articulation Learning Model on students’ mathematics learning. The research employed a quasi-experimental design using a pretest–posttest control group format, involving 7th-grade students from a private junior high school in Lubuk Linggau. The data were analyzed using a t-test, after confirming that the assumptions of normality and homogeneity were met. The Kolmogorov–Smirnov test yielded p = 0.067 and Levene’s test yielded p = 0.625, both greater than 0.05, indicating that the data were normally distributed and homogeneous. The independent t-test showed a p-value of 0.000 (p < 0.05), indicating a significant difference between the experimental and control groups. The mean score of the experimental group was 87, while that of the control group was 66. These results demonstrate that the use of the Articulation Learning Model had a strong positive effect on students’ mathematics learning outcomes, particularly in the topic of statistics.

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