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Dwi Astuti
Pendidikan Matematika FKIP Universitas Tanjungpura
Education Mathematics

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ANALISIS KEMAMPUAN BERPIKIR KRITIS PADA MATERI PERSAMAAN GARIS LURUS DIKAJI BERDASARKAN HABITS OF MIND Putri Putri; Edy Yusmin; Dwi Astuti
Jurnal AlphaEuclidEdu Vol 2, No 1 (2021): Volume 2 Number 1 Juli 2021
Publisher : UNIVERSITAS TANJUNGPURA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/ja.v2i1.48016

Abstract

Habits of mind are one of the many factors that influence mathematical critical thinking skills. The purpose of this study was to describe students' mathematical critical thinking skills on straight line equation material studied based on habits of mind. The results obtained: 1) There are 3 categories of habits of mind that appear, namely 29.73% high categories with the ability to think critically mathematically can provide statements in the form of reasons; evaluates gradient values; make a statement and consider it; provide a coherent and detailed explanation; set the strategy to be used, 51.35% of the medium category with the ability to think critically in mathematics can provide a statement in the form of reasons; evaluates gradient values; make a statement and consider it; just write down the steps without explanation on the written test; have a strategy to solve the questions but not according to the indicators and 18.92% low category with the ability to think critically mathematically can give statements in the form of reasons evaluates gradient values, but calculations are wrong; unable to make a statement and consider it; just write down the steps without explanation; do not have a strategy to solve the problem. Keywords: Critical Thinking, Habits Of Mind, Straight Line Equations
KEMAMPUAN BERPIKIR ALJABAR DALAM MENYELESAIKAN SOAL MATERI TEOREMA PHYTAGORAS Avivah Aulia; Mohamad Rif'at; Dwi Astuti
Jurnal AlphaEuclidEdu Vol 2, No 1 (2021): Volume 2 Number 1 Juli 2021
Publisher : UNIVERSITAS TANJUNGPURA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/ja.v2i1.48058

Abstract

This research aims to determine the algebraic thinking skills of students in solving questions on the subject of the Pythagorean theorem in students of SMP Negeri 19 Pontianak. The research method used is descriptive method in the form of case studies. The subjects in this study were six students and the object in this study was the ability to think algebraically in solving problems on the subject of the Pythagorean theorem. The data collection techniques used were test and non-test (interview). In this research, there is one student who achieves generational activities, two students in transformational activities and one student in global meta-level activities. In general, it can be concluded that the ability to think algebra in solving the problem of the Pythagorean theorem in SMP Negeri 19 Pontianak is that students are in transformational activities even though in generational activities students do not entirely write algebraic forms and equations. Students also have not been able to solve problems by writing down the rules used at each step, and not writing conclusions. Keywords : Algebraic Thinking Skills, Solve The Problem, Pythagorean Theorem
Co-Authors Avivah Aulia Edy Yusmin Mohamad Rif'at Putri Putri