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All Journal Journal on Education JPMI (Jurnal Pembelajaran Matematika Inovatif)
Apri Kurniawan
IKIP Siliwangi
Education Mathematics

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PENGARUH DISPOSISI MATEMATIS TERHADAP KEMAMPUAN PEMECAHAN MASALAH SISWA SMP Apri Kurniawan; Gida Kadarisma
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 3, No 2 (2020): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v3i2.p%p

Abstract

This study aims to determine the extent to which mathematical disposition affect the problem solving abilities. The method used is quantitative descriptive with correlation technique. The population in this study were all 8th grade Junior High School students in Cilacap district with a sample of 31 students who were selected purposively at one Junior High School. Data obtained by testing the problem solving tes instrumen as many as 5 questions then analyzed the achievement on each indicator of ability and non tes in the form of a mathematical disposition questionnaire of 25 statements. The research data were processed using SPSS 16.0 software by conducting pearson correlation tes and the results were analyzed descriptively. The results of the study concluded that there was a moderate positive correlation between mathematical disposition of problem solving abilities with a correlation of 0,556 and a coefficient of determination of 0,309 at a significance of 0,05. This shows that the higher the mathematical disposition, the higher the problem solving ability of students with an effect of 30,9%
Analisis Kesalahan Siswa dalam Menyelesaikan Soal Aritmatika Sosial Apri Kurniawan; Nelly Fitriani
Journal on Education Vol 2 No 2 (2020): Journal On Education: Volume 2 Nomor 2 Tahun 2020
Publisher : Departement of Mathematics Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (418.584 KB) | DOI: 10.31004/joe.v2i2.308

Abstract

This research is motivated by the importance of social arithmetic material in mathematics especially for students as educational subjects in daily life, while the aim is to analyze students’difficulties in solving social arithmetic questions in the form of contextual questions. This study is classified as a qualitative descriptive study that illustrates the ability of students to solve social arithmetic problems in which the question is based cognitive bloom. The population in this study were all eighth grade junior high school students in West Bandung regency whose samples were selected randomly in Mahardika Middle School as many as 31 people. The data was obtained by testing 8 test question containing the cognitive bloom domain with 3 C3 details, 3 C4 questions and 2 C5 questions. The results showed that there were 1 people with high ability, 2 people with moderate abilities, and 28 people with low abilities with various errors including misconceptions, principle errors, and data operation errors, while the average acquisition rate was 25,7%. It can be concluded that the ability of students to solve problems is still relatively low so that efforts are needed to improve abilities.
Co-Authors Fitriani, Nelly Gida Kadarisma