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Susanna Ronaria Harahap
SMA Negeri 5 Medan
Education

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Penggunaan Aplikasi Geogebra Dalam Pembelajaran Matematika Untuk Meningkatkan Kemampuan Berpikir Kritis Peserta Didik Kelas XI-1 SMA Negeri 5 Medan Rekha Indah Sitanggang; Rika Kartika; Susanna Ronaria Harahap
Journal on Education Vol 7 No 1 (2024): Journal on Education: Volume 7 Nomor 1 Tahun 2024
Publisher : Departement of Mathematics Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/joe.v7i1.7137

Abstract

The use of information technology is currently very developed, especially in the world of education. Various technologies can be used as mathematics learning media. One of the learning media that supports mathematics learning is the Geogebra application. Geogebra is a computer program that can be used to visualize mathematical concepts. This research aims to measure students' mathematical critical thinking abilities with the help of Geogebra in class Classroom Action Research (PTK). The research method used was PTK with two cycles, each consisting of two meetings. Each cycle is carried out with a focus on learning models and critical thinking skills in mathematics. The research results showed that there was a significant increase in learning outcomes in the second cycle compared to the first cycle. The first cycle succeeded in increasing students' learning preparation, interest and attitudes towards lessons, as well as students' learning activities through the Teaching at The Right Level (TaRL) approach. In the second cycle, improvement efforts were made by integrating the Geogebra application and the Culturally Responsive Teaching (CRT) approach, which resulted in consistent improvements in all aspects of observation
Implementasi Problem Based Learning Dengan Pendekatan TaRL dan CRT Untuk Meningkatkan Kemampuan Pemecahan Masalah Peserta Didik Pada Materi Fungsi Kelas XI-9 Di SMA Negeri 5 Medan TA 2024/2025 Sarty Herawaty Br Sormin; Rika Kartika; Susanna Ronaria Harahap
Journal on Education Vol 7 No 1 (2024): Journal on Education: Volume 7 Nomor 1 Tahun 2024
Publisher : Departement of Mathematics Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/joe.v7i1.7138

Abstract

This research aims to improve students' problem solving abilities in class XI-9 functional material at SMA Negeri 5 Medan for the 2024/2025 academic year, with a total of 36 students through Classroom Action Research (PTK). The method used is PTK with 2 cycles, where each cycle consists of 2 meetings. Each cycle is carried out with a focus on the learning model and TaRL and CRT approaches. The research results showed that there was a significant increase in learning outcomes in the second cycle compared to the first cycle. The first cycle succeeded in increasing learning preparation, interest and attitudes towards lessons, as well as student learning activities through the application of the PBL learning model and the Teaching at the Right Level (TaRL) approach. In the second cycle, improvement efforts were made by integrating the Teaching at the Right Level (TaRL) and Culturally Responsive Teaching (CRT) approaches, which resulted in consistent improvements in all aspects of observation.
Co-Authors Rekha Indah Sitanggang Rika Kartika Sarty Herawaty Br Sormin