PROSES BERPIKIR SISWA KELAS IX SEKOLAH MENENGAH PERTAMA YANG BERKEMAMPUAN MATEMATIKA SEDANG DALAM MEMECAHKAN MASALAH MATEMATIKA

Muhtarom, Muhtarom PROSES BERPIKIR SISWA KELAS IX SEKOLAH MENENGAH PERTAMA YANG BERKEMAMPUAN MATEMATIKA SEDANG DALAM MEMECAHKAN MASALAH MATEMATIKA. Matematikan dan Pendidikan Matematika Berbasis Riset. ISSN 2337-392X

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Abstract

ABSTRAK. This study aim to describe the students’ thinking process of 9th grade of Junior High School has a medium mathematics capability in solving the mathematics problem. Data analysis done based on written test data and task-based interview techniques data. And then it has been done the method triangulation to get valid subject data. Students with medium mathematics capability, in understanding problem using assimilation thinking process, make a plan using assimilation and accommodation thinking process. Assimilation thinking process can be identified when the students can mention the prerequisite material, can directly relate the sides kite and can directly develop problem solving plan. Meanwhile, accommodation thinking process can be seen when the students drew an auxiliary line from E to the right there by intersecting with CD line, so devided trapezoid AEDG become right triangle EHG and rectangle AEHD. In carrying out a plan and in looking back at the completed solution, the students used assimilation thinking process. Keywords: thinking process, mathematics problem, and problem solving

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