ANALISIS KEMAMPUAN KOMUNIKASI MATEMATIS SISWA DALAM MENYELESAIKAN SOAL GEOMETRI KUBUS DAN BALOK
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Institusion
Universitas Muhammadiyah Sukabumi
Author
Hikmawati, Norma Nur
Subject
L Education (General)
Datestamp
2019-11-07 02:45:00
Abstract :
This research aims to describe the written mathematical communication skills in solving geometry problems of cubes and beams in class VIII B of SMPN 9 Sukabumi, and to find factors that influence mathematical communication skills of students. This research used deskriptive qualitative approach. Data collection uses observation, tests, interviews and documentation. The test instrument was validated by three experts and tested it before it was read y to be used in research. The test is given three times consisting of three items in each test to obtain saturated data about students' written mathematical communication skills. The six students were selected by purposive sampling from each category of test result comprised of high, middle and low ability. The data analyzed by three steps there are reduction, data display and conclusion. The result showed that students with high ability had fulfilled all aspects of mathematical communication skills, namely written text, drawing and mathematical expression. Both students with middle and low ability are dominant in written text and drawing, yet difficult to express mathematical ideas into mathematical expression. The influence factors of mathematical communication skills included of learning process, attitude and understanding, and habituation of giving practice questions.
This research aims to describe the written mathematical communication skills in solving geometry problems of cubes and beams in class VIII B of SMPN 9 Sukabumi, and to find factors that influence mathematical communication skills of students. This research used deskriptive qualitative approach. Data collection uses observation, tests, interviews and documentation. The test instrument was validated by three experts and tested it before it was read y to be used in research. The test is given three times consisting of three items in each test to obtain saturated data about students' written mathematical communication skills. The six students were selected by purposive sampling from each category of test result comprised of high, middle and low ability. The data analyzed by three steps there are reduction, data display and conclusion. The result showed that students with high ability had fulfilled all aspects of mathematical communication skills, namely written text, drawing and mathematical expression. Both students with middle and low ability are dominant in written text and drawing, yet difficult to express mathematical ideas into mathematical expression. The influence factors of mathematical communication skills included of learning process, attitude and understanding, and habituation of giving practice questions.
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