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All Journal JURNAL MathEdu (Mathematic Education Journal) Jurnal Padegogik Plusminus: Jurnal Pendidikan Matematika
Nitta Puspitasari
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Humanities Education Mathematics Social Sciences Other

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Peningkatan Kemampuan Pemahaman Konsep Matematis Siswa SMA melalui Penggunaan Model Pembelajaran Inkuiri fera noviawati; Nitta Puspitasari
Jurnal Padegogik Vol 6 No 2 (2023): Jurnal Padegogik, July 2023
Publisher : LPPM Universitas Advent Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35974/jpd.v6i2.3134

Abstract

The ability to understand mathematical concepts is one of the abilities that must be possessed by students. A concept if understood properly and correctly will lead students to a meaningful learning process. Applying the inquiry learning model to the learning process is one way to improve the ability to understand mathematical concepts. The purpose of this study was to find out whether there is a significant difference in the increase in the ability to understand mathematical concepts between students who receive the inquiry learning model and the conventional learning model. The research method used is quasi-experimental. The population in this study were students of class X SMA Negeri 22 Garut. The samples used were class X MIPA-3 as the experimental class and X MIPA-4 as the control class with a total of 34 students in each class. The sampling technique uses cluster sampling. The instrument used was a written test in the form of an essay. Data collection techniques using tests, observation, and documentation. Testing the hypothesis with a non-parametric test (Mann Whitney test). The results of this study indicate that there is a significant difference in increasing the ability to understand mathematical concepts between students who use the inquiry learning model and conventional learning models.
Scratch vs Excel: Enhancing Math Problem-Solving and Student Confidence Indrajaya, Undang; Siti Sadiah; Rostina Sundayana; Nitta Puspitasari
Plusminus: Jurnal Pendidikan Matematika Vol. 5 No. 1 (2025): March
Publisher : Department of Mathematics Education Program IPI Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31980/plusminus.v5i1.2556

Abstract

Artikel “Scratch vs Excel: Enhanching Math Problem-Solving and Student Confidence” bertujuan untuk mengetahui perbedaan peningkatan kemampuan pemecahan masalah matematis dan Self Confidence siswa dalam pembelajaran Matematika dengan menggunakan aplikasi Scratch dan Microsoft Excel. Penelitian ini menggunakan desain quasi eksperimen dengan subjek penelitian kelas XII MIPA pada salah satu SMA di Kabupaten Garut yang dipilih berdasarkan purposive sampling. Metode pengumpulan data meliputi tes, angket, dan observasi. Teknik analisis data mencakup statistik deskriptif, Gain ternormalisasi dan uji independen dua sampel untuk menguji perbedaan peningkatan (N-Gain) antara dua kelompok.  Penelitian ini dapat menjawab kebutuhan akan pendekatan pembelajaran yang lebih efektif dan relevan dengan kondisi siswa, dengan fokus pada dua aspek yaitu kognitif (kemampuan memecahkan masalah) dan afektif (self confidence). Pada penelitian ini ditemukan adanya perbedaan peningkatan kemampuan pemecahan masalah matematis dan self confidence antara siswa yang menggunakan media pembelajaran interaktif aplikasi Scratch dan Microsoft Excel. Di mana Scratch terbukti memberikan peningkatan yang lebih baik dalam kemampuan pemecahan masalah matematis dan self confidence, dibandingkan Excel. Ini menunjukkan bahwa media interaktif berbasis animasi/visual dapat meningkatkan motivasi dan pemahaman siswa. The article “Scratch vs Excel: Enhanching Math Problem-Solving and Student Confidence” is a study to compare the differences in the improvement of the ability of mathematical problem-solving and student self-confidence in learning mathematics by using Scratch and Microsoft Excel applications. This study used a quasi-experimental design with the research subjects of class XII MIPA at one of the high schools in Garut Regency which was selected based on purposive sampling. Data collection methods include tests, questionnaires, and observations. Data analysis techniques include descriptive statistics, normalized Gain and two-sample independent test to test the difference in improvement (N-Gain) between two groups.  This study can answer the need for a learning approach that is more effective and relevant to the conditions of students, focusing on two aspects, namely cognitive (problem-solving ability) and affective (self confidence). In this study, it was found that there were differences in the improvement of the ability of mathematical problem-solving and self-confidence between students who used interactive learning media Scratch application and Microsoft Excel. Scratch was shown to provide better improvement in mathematical problem-solving ability and self confidence, compared to Excel. This suggests that animation/visual-based interactive media can increase students’ motivation and understanding.
Memetakan Lanskap Implementasi Problem Based Learning dalam Pembelajaran Matematika Siswa di Tingkat Sekolah Menengah: Systematic Literature Review Adelia Zahrani; Nitta Puspitasari
JURNAL MathEdu (Mathematic Education Journal) Vol 9 No 3 (2026): JURNAL MathEdu (Mathematic Education Journal) November 2026
Publisher : Program Studi Pendidikan Matematika Institut Pendidikan Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37081/mathedu.v9i3.8556

Abstract

Optimizing the quality of mathematics education demands a comprehensive evaluation of the effectiveness of innovative learning models, one of which is Problem-Based Learning (PBL). Although literature on the application of PBL continues to grow, empirical findings scattered across various contexts require a deep synthesis to map current trends and research directions. This study aims to describe the developments in implementing PBL in secondary school mathematics learning through a Systematic Literature Review (SLR) approach. Guided by the PRISMA protocol, a literature search was conducted via the Google Scholar database covering publication years from 2022 to 2026. Out of 100 identified documents, 33 articles met the inclusion criteria for further analysis. The synthesis results show that publications peaked in 2023, dominated by Classroom Action Research (CAR), targeted lower secondary schools (SMP), and were concentrated in Java. The primary variables examined include learning outcomes, problem-solving skills, mathematical representation, literacy, reasoning, Higher Order Thinking Skills (HOTS), motivation, and conceptual understanding. These findings confirm that PBL contributes positively to strengthening students' mathematical abilities, although its effectiveness is influenced by variations in classroom implementation characteristics. Thus, this study confirms that PBL remains a strategic alternative in supporting quality improvements in secondary school mathematics education.
Co-Authors Adelia Zahrani fera noviawati Rostina Sundayana Siti Sadiah Undang Indrajaya