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Analisis Kesulitan Peserta Didik Kelas V dalam Memahami Konsep Bangun Ruang d SD Muhammadiyah Nglatihan Asna Arif Fathonah; Heru Purnomo
Katalis Pendidikan : Jurnal Ilmu Pendidikan dan Matematika Vol. 2 No. 3 (2025): Katalis Pendidikan : Jurnal Ilmu Pendidikan dan Matematika
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62383/katalis.v2i3.2061

Abstract

This study aims to analyze various obstacles faced by fifth grade students of Muhammadiyah Nglatihan Elementary School in understanding the concept of spatial figures. This study uses a qualitative approach combined with descriptive methods to obtain an in-depth picture of the phenomenon being studied, as a basis for describing the phenomenon being studied in depth as the main analysis framework. Data collection was carried out through direct participatory observation of 15 students during the mathematics learning process. The results of the study revealed that students experienced obstacles in visualizing three-dimensional shapes, distinguishing elements of spatial figures such as sides, edges, and vertices, and applying volume and surface area formulas correctly. These difficulties are caused by the lack of use of concrete media and learning approaches that are not in accordance with the stage of students' cognitive development.
Eksplorasi Kompleksitas Batuan Piroklastik: Studi Tentang Sifat, Proses Pembentukan, Komposisi Mineral, dan Strukturnya Asna Arif Fathonah; Moch Ridho Saputra; Nisa Hanna Fazira; Wahyu Kurniawati
Konstanta : Jurnal Matematika dan Ilmu Pengetahuan Alam Vol. 2 No. 1 (2024): Maret : Jurnal Matematika dan Ilmu Pengetahuan Alam
Publisher : International Forum of Researchers and Lecturers

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59581/konstanta.v2i1.2430

Abstract

Rocks are naturally formed solid objects which are a collection of minerals, both similar and dissimilar, in certain proportions. Minerals are the building blocks of each type of rock. In the beginning, rocks came from magma. The types of rock that exist include pyroclastic rocks. Pyroclastic rocks contain contents that are of economic value and useful for human life. The type of method used is a qualitative research method. The data collection technique in this method is the literature study method. The method in this research focuses on in-depth observations from various reading sources such as books and scientific journals. Pyroclastic rocks are rocks formed by the lithification process of loose materials thrown from volcanic centers in explosive eruptions, which are then transported through the media of gas, wind and then deposited on dry land or in bodies of water. In fact, pyroclastics are almost the same as sedimentary rocks, but the difference is that sedimentary rocks come from the weathering of previous rocks. Meanwhile, pyroclastic rocks come from volcanic eruptions, meaning there is no weathering process.