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FIBONACCI: Jurnal Pendidikan Matematika dan Matematika
Published by Universitas Muhammadiyah Jakarta
ISSN : 24607797     EISSN : 26148234     DOI : -
Core Subject : Education,
Education Mathematics
Jurnal Fibonacci Program Studi Pendidikan Matematika Fakultas Ilmu Pendidikan Universitas Muhammadiyah Jakarta adalah jurnal nasional berbasis penelitian ilmiah, secara rutin diterbitkan oleh Program Studi Pendidikan Matematika Fakultas Ilmu Pendidikan Universitas Muhammadiyah Jakarta.
Arjuna Subject : -
Articles 208 Documents
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KONTRIBUSI INTERSEP TERHADAP AKURASI PREDIKSI MODEL REGRESI: STUDI LITERATUR Ismah Ismah
FIBONACCI: Jurnal Pendidikan Matematika dan Matematika Vol. 11 No. 2 (2025): FIBONACCI: Jurnal Pendidikan Matematika dan Matematika
Publisher : Fakultas Ilmu Pendidikan Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The intercept is a fundamental component in regression modeling that often receives limited attention in data analysis practice. This article presents a comprehensive literature review on the role of the intercept in enhancing the predictive accuracy of regression models. Through an examination of reputable national and international journals, the study identifies that the intercept significantly contributes to (1) the interpretation of model constants, (2) improvement of prediction accuracy, and (3) the validity of parameter estimation. The review reveals that ignoring or omitting the intercept without a strong statistical justification may lead to estimation bias and reduced predictive quality of the model. The practical implications of this study guide researchers in deciding whether to include or exclude the intercept in regression models, particularly in social, economic, and educational research.
Development of Web-Based High School Trigonometry Learning Tools with Problem-Based Learning Models Reviewed from Creative Thinking, Critical Thinking, and Self-Esteem Skills Meiliza Aminy; Hartono Hartono
FIBONACCI: Jurnal Pendidikan Matematika dan Matematika Vol. 12 No. 1 (2026): FIBONACCI: Jurnal Pendidikan Matematika dan Matematika
Publisher : Fakultas Ilmu Pendidikan Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/fbc.12.1.15-34

Abstract

Creative thinking, critical thinking, and self-esteem are essential competencies in 21st-century mathematics education; however, their development remains suboptimal. This study aimed to develop a website-based trigonometry learning tool integrating the Problem-Based Learning (PBL) model and to evaluate its validity, practicality, and effectiveness. A Research and Development (R&D) approach using the ADDIE model was employed with 35 tenth-grade students at MAN Batu Bara. The instruments included expert validation sheets, teacher and student response questionnaires, learning implementation observation sheets, creative thinking and critical thinking tests, and a self-esteem questionnaire. Descriptive statistics were used to evaluate validity and practicality, while effectiveness was examined using a one-sample t-test against predetermined performance benchmarks. The results showed that the developed learning tool was highly valid based on expert evaluations and highly practical based on teacher responses, student responses, and learning implementation observations. Students' post-implementation mean scores significantly exceeded the benchmark values (p < 0.05). Moreover, 83% of the students achieved mastery in creative thinking, 71% in critical thinking, and 74% demonstrated very high self-esteem. These findings indicate that the developed learning tool satisfies the criteria of validity, practicality, and effectiveness as an instructional product for trigonometry learning.
Enhancing Mathematical Reasoning through Contextual Mathematics Learning Using Biological Contexts in Basic Mathematics Mardiana Zulfa; Gelar Dwirahayu
FIBONACCI: Jurnal Pendidikan Matematika dan Matematika Vol. 12 No. 1 (2026): FIBONACCI: Jurnal Pendidikan Matematika dan Matematika
Publisher : Fakultas Ilmu Pendidikan Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/fbc.12.1.1-14

Abstract

This study analyzes the enhancement of students' mathematical reasoning abilities in a Basic Mathematics course through the implementation of context-based learning utilizing biological contexts. A pre-experimental method with a one-group pretest-posttest design was employed. The research was conducted during the odd semester of the 2025/2026 academic year within the Tadris Biology Study Program at UIN Syarif Hidayatullah Jakarta, involving a purposive sample of 94 students. Data were collected using both test and non-test instruments. The content validity of the four-item essay test was quantitatively verified using Aiken’s V index, indicating high validity, while instrument reliability was confirmed via Cronbach's Alpha (α = 0.82). Data analysis involved descriptive statistics, paired t-tests, Normalized Gain (N-gain) scores, and Cohen’s d effect size to evaluate the magnitude of improvement. The results demonstrated a statistically significant enhancement in students' mathematical reasoning across all indicators. The mean scores (on a scale of 1–4) for constructing justification increased from 2.6 to 3.3, drawing conclusions from 2.5 to 3.2, and mathematical manipulation from 2.8 to 3.4. Conversely, the capacity to verify argument validity showed a limited gain, rising from 2.4 to 2.7. The effect size analysis revealed a robust effect, confirming that biology-contextualized mathematics learning substantially develops procedural and constructive reasoning, whereas evaluative reasoning requires more targeted pedagogical interventions
Pengembangan Game “ FALI” Pada Mata Pelajaran Matematika Materi FPB Dan KPK Kelas IV SDN Margahayu Anisa Suciati; Nurbaiti Widyasari
FIBONACCI: Jurnal Pendidikan Matematika dan Matematika Vol. 11 No. 2 (2025): FIBONACCI: Jurnal Pendidikan Matematika dan Matematika
Publisher : Fakultas Ilmu Pendidikan Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/fbc.11.2.115-124

Abstract

Penelitian ini dilatar belakangi dari masalah peserta didik yang tidak memahami materi FPB dan KPK dan kurangnya media pembelajaran yang tersedia disekolah serta kurangnya minat peserta didik dalam mengikuti pembelajaran yang dianggap menoton. Untuk itu penelitian melaksanakan penelitian dan pengambangan tentang bagaimana cara mengembangkan, menguji kevalidan, dan respon peserta didik terhadap media pembelajaran pengembangan game “fali”. Penelitian ini merupakan penelitian pengembangan (Research and Development) dengan menggunakan model PPE.  Model ini terdiri dari 3 tahap yaitu perencanaan, produksi, dan evaluasi. Adapun sumber data yang didapatkan melalui angket penilaian validasi ahli dan angket respon peserta didik. Subjek penelitiannya adalah siswa kelas IV SD tahun Ajaran 2022/2023. Penelitian dilaksanakan pada bulan februari 2023 sampai agustus 2023 di SD Margahayu XIX. Sekolah berlokasi di Kota Bekasi. Hasil penilaian yang didapatkan antara lain: 1) Validasi media mendapatkan nilai 0,988 dengan kriteria valid, 2) validasi materi mendapatkan nilai 0,833 dengan kategori valid 3) validasi bahasa mendapatkan nilai 0,855 dengan kategori valid 4) hasil angket respon peserta didik  mendapatkan nilai presentase rata-rata 87,50 dengan kategori baik. Berdasarkan hasil penilaian tersebut maka media pembelajaran Game “ Fali” berbasis android yang dikembangkan valid dan layak digunakan pada siswa kelas IV sekolah dasar.
Analisis Extranous Cognitive Load Buku Ajar Kurikulum Merdeka Kelas VIII Pada Materi Persamaan Garis Lurus Nidya Ferry Wulandari
FIBONACCI: Jurnal Pendidikan Matematika dan Matematika Vol. 11 No. 2 (2025): FIBONACCI: Jurnal Pendidikan Matematika dan Matematika
Publisher : Fakultas Ilmu Pendidikan Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/fbc.11.2.97-114

Abstract

Extraneous cognitive load will arise if the learning materials used are not integrated each other so that it will distract students' attention. This study aimed to analyze the quality of Merdeka curriculum textbook based on the principles of learning materials and multimedia features. The method used is qualitative research with content analysis. The results of this study are that the learning materials on linear equations in the Merdeka curriculum textbook have met the segmentation principle and the elements or illustrations and unimportant texts do not need to be presented in this materials. Some still meet the principle of using supporting images, diagrams, or illustrations and only some present integrated text and image information each other. The learning materials on linear equations still do not meet the pre-training principle. In terms of multimedia learning features, it is in accordance with the coherence, visual signaling features, some meet the principles of spatial contiguity and multimedia, but do not meet the redundancy, temporal contiguity, modality, and personalization, voice, and image features.
Kecerdasan Emosional dan Adversity Quotient ditinjau dari Kemampuan Pemecahan Masalah Matematis Siswa Nurul Bayyinah; Retno Subekti
FIBONACCI: Jurnal Pendidikan Matematika dan Matematika Vol. 11 No. 2 (2025): FIBONACCI: Jurnal Pendidikan Matematika dan Matematika
Publisher : Fakultas Ilmu Pendidikan Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/fbc.11.2.139-150

Abstract

Problem-solving skills play an essential role in learning mathematics. Having good problem-solving skills will help students to learn mathematics more effectively. These skills depend not only on cognitive abilities but are also significantly influenced by affective factors such as emotional intelligence and adversity quotient. This study aims to systematically investigate the relationship between emotional intelligence and adversity quotient concerning students' mathematical problem-solving. This research method is a literature review that collects research from the last ten years to be compiled, analyzed, and concluded, which involves reviewing various references and relevant research findings to obtain a theoretical basis for this research. The results of the study show that emotional intelligence and adversity quotient have a direct impact on students' mathematical problem-solving skills. Emotional intelligence strongly influenced students' ability to deal with complex mathematical challenges, while the adversity quotient contributed to persistence and resilience in problem-solving. This study found that students with higher emotional intelligence and adversity quotient tended to use more effective strategies in solving mathematical problems. The results can be used as a phenomenon and basis for improving mathematical problem-solving skills that consider students' emotional intelligence and adversity quotient.
Hubungan Self-Efficacy dengan Kemampuan Literasi Matematika Siswa SMA Handayani Budi Utami; Ellis Salsabila; Eti Dwi Wiraningsih
FIBONACCI: Jurnal Pendidikan Matematika dan Matematika Vol. 11 No. 2 (2025): FIBONACCI: Jurnal Pendidikan Matematika dan Matematika
Publisher : Fakultas Ilmu Pendidikan Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/fbc.11.2.125-138

Abstract

Kemampuan literasi matematika siswa di Indonesia masih tergolong rendah, menunjukkan perlunya kajian terhadap faktor-faktor yang berhubungan dengan kemampuan tersebut. Penelitian ini bertujuan untuk menganalisis hubungan antara self-efficacy matematika dan kemampuan literasi matematika siswa SMA. Penelitian menggunakan pendekatan kuantitatif dengan metode korelasional yang melibatkan 79 siswa SMA sebagai partisipan. Hasil menunjukkan bahwa kemampuan literasi matematika siswa berada pada kategori rendah. Tingkat self-efficacy matematika siswa berada pada kategori sedang dengan variasi individu yang cukup beragam. Hasil uji korelasi Pearson menunjukkan adanya hubungan positif dan signifikan antara self-efficacy dan literasi matematika (r = 0,598; p < 0,05). Hasil analisis regresi linear sederhana menghasilkan persamaan Y = 14,583 + 0,543X yang menunjukkan bahwa self-efficacy memberikan kontribusi positif terhadap kemampuan literasi matematika. Dengan demikian, self-efficacy matematika berperan penting dalam memahami variasi kemampuan literasi matematika siswa SMA.
Desain Pembelajaran Eksponen Negatif menggunakan Konteks “Grid Images” Dengan Pendekatan PMRI Tiara Patria Ningsih; Zulkardi; Ely Susanti; Meryansumayeka
FIBONACCI: Jurnal Pendidikan Matematika dan Matematika Vol. 11 No. 2 (2025): FIBONACCI: Jurnal Pendidikan Matematika dan Matematika
Publisher : Fakultas Ilmu Pendidikan Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/fbc.11.2.157-166

Abstract

This study aims to develop and validate a learning design for negative exponent material using the context of “grid images” through the Indonesian Realistic Mathematics Education (PMRI) approach at a public high school in Palembang. The background of this study stems from students' difficulties in learning and understanding the concept of negative exponents, which is abstract and not closely related to its visual form. Through the PMRI approach, mathematics learning becomes more meaningful and profound because students learn mathematics from contexts that are close to their lives. The research method used is design research, which includes three main stages, namely preliminary design, teaching experiment, and retrospective analysis. The research subjects were tenth-grade students at a public high school in Palembang. Data were collected through observation, interviews, documentation, and student work, then analyzed descriptively and qualitatively to evaluate the learning process and outcomes. The results showed that the use of visual forms in the form of “grid images” and the PMRI approach could help students understand the meaning of negative exponents and find the formal form of negative exponents. In addition, the PMRI approach created a more interactive learning atmosphere between students and with teachers and helped students understand and find the formal form of negative exponents themselves. Thus, this learning design became an innovative alternative in teaching negative exponent material.
From Surface to Deep: Pembelajaran Berbasis Deep Learning dan Pjbl Untuk Penguatan Kemampuan Pemecahan Masalah Matematis Aulyanissa Tsaqifa Maharshall; Hepsi Nindiasari
FIBONACCI: Jurnal Pendidikan Matematika dan Matematika Vol. 11 No. 2 (2025): FIBONACCI: Jurnal Pendidikan Matematika dan Matematika
Publisher : Fakultas Ilmu Pendidikan Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/fbc.11.2.179-192

Abstract

This study aims to examine the indications of an increase in students' mathematical problem-solving abilities through the application of a Project-Based Learning (PjBL) model based on a Deep Learning approach. The background of this study is based on the condition of mathematics learning at SMP Negeri 1 Bayah, which is still dominated by a one-way method and is not yet optimal in facilitating active student involvement in problem solving. This study used a quasi-experimental method with a one-group pretest-posttest design involving 30 students in class VII-F. The research instrument was a descriptive test of mathematical problem-solving skills compiled based on Polya's steps. Data analysis included normality tests, Paired Sample T-Test, and N-Gain calculations to see the level of improvement in student abilities. The results of the analysis showed that there was a difference in scores between the pretest and posttest, and the average N-Gain value was 0.4, which was in the moderate category. These findings indicate an increase in students' mathematical problem-solving skills after the implementation of Deep Learning-based PjBL learning. However, given the research design that did not involve a control group, the results of this study are understood as preliminary (tentative) evidence regarding the potential of the applied learning. This study implies that the integration of PjBL and the Deep Learning approach has the potential to create more meaningful and contextual mathematics learning, and can serve as a basis for further research with a stronger experimental design.
Studi Kasus Kemampuan Pemecahan Masalah Matematis Materi Perbandingan di Kelas VIII Mts As-Syuhada Vidya Ardhita Septiani
FIBONACCI: Jurnal Pendidikan Matematika dan Matematika Vol. 11 No. 2 (2025): FIBONACCI: Jurnal Pendidikan Matematika dan Matematika
Publisher : Fakultas Ilmu Pendidikan Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/fbc.11.2.193-200

Abstract

This study is designed to describe students' mathematical problem-solving skills in the topic of ratios, classified based on high, medium, and low ability levels. A qualitative approach is applied through a case study method. The subjects consist of three eighth-grade students from MTs Asy Syuhada in one class, selected based on their mathematics test scores, each representing high, medium, and low ability categories. The research instruments include two contextual questions on ratios and an interview guide. The evaluation of mathematical problem-solving skills is based on Pólya's stages, namely understanding the problem, devising a solution plan, executing the plan, and reviewing the answer. The research findings reveal that high-ability students successfully grasp and execute problem-solving effectively, although they are not always consistent in writing down the plan or reviewing the answers. Medium-ability students can understand the problem but still face difficulties in the planning stage and accuracy in interpreting instructions. Meanwhile, low-ability students are unable to devise a plan or solve the problem due to their weak mastery of ratio concepts. This research confirms that mathematical problem-solving skills are influenced by conceptual understanding, precision, and the habit of applying problem-solving steps systematically.

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