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All Journal Media Pendidikan Matematika Jurnal Pendidikan: Teori, Penelitian, dan Pengembangan
Syaeruldinata, Apdwi
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Computer Science & IT Education Environmental Science Mathematics Social Sciences

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Pembelajaran Saintifik Berbantuan Geogebra untuk Meningkatkan Penalaran Siswa Kelas VIII SMP pada Materi Lingkaran Syaeruldinata, Apdwi
Media Pendidikan Matematika Vol. 12 No. 1 (2024)
Publisher : Universitas Pendidikan Mandalika (UNDIKMA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/mpm.v12i1.9605

Abstract

The aim of this study is to describe the implementation of scientific learning assisted by GeoGebra media that can improve the reasoning of Grade VIII junior high school students on the topic of circles. This research is a classroom action research conducted in two cycles, with each cycle consisting of four components: planning, action, observation, and reflection. The participants in this study were students of class VIII.1A at SMPN 3 Gangga, and it was carried out in the second semester of the 2022/2023 academic year. Data collection used test sheet instruments. The results of the study showed that there was an increase in students' reasoning from 62.5% in cycle 1 to 81.25% in cycle 2. Thus, scientific learning assisted by GeoGebra can improve students' reasoning on the topic of circles with the following stages: (a) the observing stage, which involves paying attention to something using the senses, not limited to the sense of sight but also other senses, such as reading, listening, watching, and so on, (b) the questioning stage, which stimulates students' curiosity, leading to a desire to conduct further investigation related to the observed object through questions, (c) the data collection stage, which is a follow-up to the questioning activity, (d) the associating stage, where the collected data is linked to answer the problem formulation in the questioning stage, and (e) the communicating stage, which involves sharing or presenting a summary of the learning activities from observing to associating through various means, both orally, in writing, presentations, images, reports, tables, graphs, and so on.
Menumbuhkan Keterampilan Berpikir Tingkat Tinggi melalui Open Ended Problem Syaeruldinata, Apdwi; As’ari, Abdur Rahman; Abadyo, Abadyo
Jurnal Pendidikan: Teori, Penelitian, dan Pengembangan Vol. 4, No. 8
Publisher : citeus

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Abstract

This study aimed to describe both process and result of the development of teaching materials used to enhance higher order thinking skills based on open ended problem and its products should be valid, effective and practice. This study adopted a 4D developmental model modified be 3D which comprises three stages: define, design, and develop. The results showed: (1) The teaching materials that have been develop declared valid with the mean score 3,30, lesson plan declared valid with the mean score 3,125, achievement test declared valid with the mean score 3,45, (2) effectiveness characterized by whole class achievement test mean score obtained 78,83, and whole class questionnaire mean score obtained 2,35, (3) practicality of teaching materials characterized by observation sheet mean score for whole observer obtained 3,6, and (4) using open ended problem significantly enhances students higher order thinking skills, as well as students justify effectiveness of several procedure that is followed by appropriate arguments, integrate different characteristic within it’s unity, also think creatively construct the problem themselves.
Co-Authors Abadyo Abadyo, Abadyo Abdur Rahman As’ari