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All Journal JPMI (Jurnal Pembelajaran Matematika Inovatif)
Fihinna Choiratun Khisan
IKIP Siliwangi
Mathematics

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Analisis kemampuan komunikasi matematis siswa kelas VII pada materi PLSV ditinjau berdasarkan KAM Hermawanti; Fihinna Choiratun Khisan; Risma Amelia
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol. 7 No. 1 (2024): Januari
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v7i1.21671

Abstract

The purpose of this study was to analyze students’ mathematical communication abilities in solving a problem in the material of one variable equation. The method used in this study is a qualitative descriptive method by taking the research subjects of class VII junior high school students, totaling 32 students with upper, middle, and lower KAM classifications. To obtain data, the technique used is to analyze test questions based on indicators of communication skills. The results of the first indicator, namely stating daily events in mathematica symbols, were found to be 34% of students, KAM upper students 11 people, middle 7 people, lower 14 people. The second indicator is explaining ideas orally and in writing with pictures, graphs, and algebra, with 3% of students,  KAM upper students 1 people, middle 1 people, lower 30 people. The third indicator is connecting real objects, pictures, and diagrams to the mathematical ideas of 16% of students, KAM upper students 5 people, middle 3 people, lower 24 people. Based on the results of the analysis, the indicators of the students’ mathematical communication ability in terms of are still below average so it can be concluded that it is lacking.
Strategi inovatif meningkatkan kemampuan komunikasi matematis siswa melalui Problem Based Learning berbantuan geogebra Fihinna Choiratun Khisan; Euis Eti Rohaeti; Harry Dwi Putra
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol. 8 No. 4 (2025): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v8i4.28332

Abstract

This study is motivated by the gap between the importance of mathematical communication skills and the fact that such skills remain low in practice. The objectives of this research are: to determine the improvement of mathematical communication skills of school students who use the Problem-Based Learning (PBL) model assisted by GeoGebra compared to conventional learning. The research employed a mixed-method approach with a convergent parallel design. Subject of thi research is 64 eighth-grade students divided into experimental and control classes. Research instruments included a mathematical communication skills test and a response questionnaire. Quantitative data were analyzed through normality, homogeneity, and t-tests, while qualitative data were analyzed using data reduction, data display, and conclusion drawing techniques. The results show that students who learned through the PBL model assisted by GeoGebra achieved better mathematical communication skills than those in conventional learning. Students’ responses toward the learning process were generally positive, although some faced time limitations and difficulties operating GeoGebra. This study provides an effective technology-based learning model alternative.
Co-Authors Amelia, Risma Eti Rohaeti, Euis Harry Dwi Putra Hermawanti