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All Journal Jurnal Ilmiah Soulmath : Jurnal Edukasi Pendidikan Matematika
Safitri, Riana Intan
Universitas Dr. Soetomo
Education Mathematics

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Profil Lapisan Pemahaman Konsep Siswa SMP Terkait Garis Tinggi Segitiga Safitri, Riana Intan; Mulyani, Sri; Ratu, Novisita
Jurnal Ilmiah Soulmath : Jurnal Edukasi Pendidikan Matematika Vol 6 No 2 (2018)
Publisher : Universitas Dr. Soetomo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (626.727 KB) | DOI: 10.25139/smj.v6i2.1141

Abstract

This qualitative descriptive research intends to explain the profile of the layer understanding concept of junior high school students related to the altitude of the triangle. The layer understanding concept consist of eight layers, i.e. Primitive Knowing (Pk), Image Making (Im), Image Having (Ih), Property Noticing (Pn), Formalizing (Fo), Observing (Ob), Strucuring (St), and inventising (In). The subject of this research had taken by purposive sampling technique and had obtained three first grade of junior high school students of Negeri 3 Salatiga. Based on the result of the research obtained i.e. 1) in term resolving the matter of concept understanding the altitude of a triangle concept, a high-ability subject reached In layer, a middle-ability subject reached St layer, a low-ability subject reached Fo layer; 2) in term resolving the matter of concept drawing altitude of acute triangle a high-ability subject reached In layer, a middle-ability subject reached St layer, a low-ability subject reached Ih layer; 3) in term resolving the matter of concept drawing altitude of obtuse triangle a high-ability subject reached St layer, a middle-ability subject reached Fo layer, a low-ability subject reached Ih layer.
Co-Authors Sri Mulyani Yayi Suryo Prabandari