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All Journal PRISMA Jurnal Cendekia : Jurnal Pendidikan Matematika
Imswatama, Aristya
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Education Mathematics Social Sciences

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Analysis of Ability to Understand Mathematical Concepts Class Students XI in Geometric Transformation Materials Herawati, Wina; Imswatama, Aristya; Setiani, Ana
PRISMA Vol 13, No 1 (2024): PRISMA
Publisher : Universitas Suryakancana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35194/jp.v13i1.4005

Abstract

The low ability of students to understand mathematical concepts is proven by the majority of students not being able to reformulate the solution to the problem given. This research aims to describe students' ability to understand mathematical concepts for each indicator so that it is known which indicators students experience problems with. The method used in this research is descriptive qualitative. The instruments in this research are test and interview instruments. The research subjects were 26 students of class XI Science 1 SMAN 5 Sukabumi City. Data were analyzed using data reduction, data presentation, and drawing conclusions. In data reduction, researchers summarize the data and classify the data. Based on the results of data analysis, it was concluded that students with high and medium abilities had excellent concept understanding abilities in restating a concept, classifying objects according to the concept, and presenting concepts in various forms of mathematical representation. while students with low abilities are in the good category. Highly capable students are able to restate the concepts they have learned and apply concepts or problem solving algorithms very well. Meanwhile, students with medium and low ability are in the sufficient category. In linking various concepts, high, medium and low ability students have quite good ability to understand mathematical concepts.
Pengembangan Modul Berbasis Etnomatematika untuk Meningkatkan Kemampuan Pemecahan Masalah Siswa SMP Nurfitria, Tita; Imswatama, Aristya; Nurcahyono, Novi Andri
Jurnal Cendekia : Jurnal Pendidikan Matematika Vol 8 No 1 (2024): Jurnal Cendekia: Jurnal Pendidikan Matematika Volume 8 Nomor 1
Publisher : Mathematics Education Study Program

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/cendekia.v8i1.2700

Abstract

Penelitian ini bertujuan untuk mengetahui: (1) kevalidan; (2) kepraktisan; dan (3) keefektifan modul etnomatematika untuk meningkatkan kemampuan pemecahan masalah siswa SMP. Jenis penelitian dan pengembangan ini menggunakan model pengembangan 4D (Define, Design, Develop, dan Disseminate) dan menggunakan one group pretest-posttest design. Subjek penelitian adalah guru, 22 siswa kelas VII MTs Insan Kamil, dan validator. Instrumen yang digunakan dalam penelitian ini adalah lembar validasi ahli materi untuk mendapatkan hasil uji validitas modul serta angket respon siswa dan guru untuk mendapatkan hasil uji kepraktisan modul dan tes kemampuan pemecahan masalah siswa untuk mendapatkan hasil uji keefektifan modul. Hasil pengembangan menunjukkan bahwa: (1) Kevalidan produk modul etnomatematika untuk meningkatkan kemampuan pemecahan masalah siswa berhasil dikembangkan dengan persentase validitas produk sebesar 86% yang termasuk dalam kategori “Sangat Valid”. (2) Kepraktisan produk modul etnomatematika terhadap peningkatan kemampuan pemecahan masalah siswa dengan hasil rata-rata 87% dalam kategori “sangat praktis” (3) Keefektifan modul etnomatematika terhadap peningkatan kemampuan pemecahan masalah siswa adalah ditunjukkan dengan skor n-gain besar sebesar 56% yang termasuk dalam kategori sedang.
Co-Authors Herawati, Wina Novi Andri Nurcahyono Nurfitria, Tita Setiani, Ana