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Purba, Gloria Indira Diana
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Mathematics

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PENERAPAN MODEL CONTEXTUAL TEACHING AND LEARNING BERBANTUAN GEOGEBRA UNTUK MENINGKATKAN KEMAMPUAN BEPIKIR KRITIS MATEMATIS SISWA KELAS VIII SMP Nainggolan, Cindera Indah Afriana; Purba, Gloria Indira Diana
MES: Journal of Mathematics Education and Science Vol 10, No 1 (2024): Edisi Oktober (Progress)
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/mes.v10i1.9838

Abstract

This study aims to improve students' mathematical critical thinking skills through the application of contextual learning models assisted by Geogebra. This type of research is class action research. The subjects of this research were 30 students of Class VIII-3 SMP Negeri 27 Medan. The subject of this research is critical thinking skills using contextual teaching and learning model with Geogebra assisted for two variable linear equation system. This research consisted of two cycles and at the end of each cycle a critical thinking skills test was given. Based on the results of data analysis after taking action in Cycle I by giving a mathematical critical thinking test, it is known that 36.67% have reached the success target. After taking action in Cycle II through a test of students' mathematical critical thinking skills, it was found that 90% had met the success target. The increase was also shown by the average student score from 42.40 to 66.18 in cycle I and increased to 83.96 in cycle II. 
PENERAPAN MODEL CONTEXTUAL TEACHING AND LEARNING BERBANTUAN GEOGEBRA UNTUK MENINGKATKAN KEMAMPUAN BEPIKIR KRITIS MATEMATIS SISWA KELAS VIII SMP Nainggolan, Cindera Indah Afriana; Purba, Gloria Indira Diana
MES: Journal of Mathematics Education and Science Vol 10, No 1 (2024): Edisi Oktober
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/mes.v10i1.9838

Abstract

This study aims to improve students' mathematical critical thinking skills through the application of contextual learning models assisted by Geogebra. This type of research is class action research. The subjects of this research were 30 students of Class VIII-3 SMP Negeri 27 Medan. The subject of this research is critical thinking skills using contextual teaching and learning model with Geogebra assisted for two variable linear equation system. This research consisted of two cycles and at the end of each cycle a critical thinking skills test was given. Based on the results of data analysis after taking action in Cycle I by giving a mathematical critical thinking test, it is known that 36.67% have reached the success target. After taking action in Cycle II through a test of students' mathematical critical thinking skills, it was found that 90% had met the success target. The increase was also shown by the average student score from 42.40 to 66.18 in cycle I and increased to 83.96 in cycle II. 
Co-Authors Nainggolan, Cindera Indah Afriana