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All Journal PRISMA Jurnal Ilmiah Dikdaya
Thiara Ayu Sheila
Universitas Singaperbangsa Karawang
Education Mathematics Social Sciences

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Analisis Kemampuan Komunikasi Matematis Siswa SMK pada Materi Thiara Ayu Sheila; Alpha Galih Adirakasiwi
Jurnal Ilmiah Dikdaya Vol 12, No 1 (2022): April
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/dikdaya.v12i1.272

Abstract

Having mathematical communication skills is one way to achieve the objectives of learning mathematics. The reason why the discussion of mathematical communication becomes very important is because mathematics can be used as a language and learning mathematics is included in social activities. This article aims to analyze the mathematical communication skills of SMK students using descriptive research methods and qualitative approaches. The sample selected was 26 students from class XII TBSM 4 with the sampling technique applied was purposive sampling. The instrument used is a written test by paying attention to indicators of mathematical communication skills, interviews, and observation of research results. The data analysis technique applied is content analysis. The results of the research in this article are in the form of an analysis of students' mathematical abilities per item of the research instrument. Based on the results of the study, the average student score was 39.31. Guidelines for the achievement of mathematical communication skills were also given, with 3 students in the very good category, 6 students in the moderate category, 9 students in the poor category, and 8 students in the very poor category.
Comparative Study: Differences in Students' Geometric Reasoning Viewed from Van Hiele's Levels of Geometric Thinking Thiara Ayu Sheila; Rika Mulyati Mustika Sari; Rafiq Zulkarnaen; Iyan Rosita Dewi Nur
PRISMA Vol. 15 No. 1 (2026): PRISMA
Publisher : Universitas Suryakancana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35194/jp.v15i1.6225

Abstract

This study aims to determine the differences in students' geometric reasoning in terms of Van Hiele's thinking levels in spatial geometry. This study used an ex post facto method with a quantitative approach. The population of this study was ninth-grade female students at SMP Negeri 2 Majalaya, with a sample of 86 students selected using simple random sampling. Data were obtained through diagnostic tests, geometric reasoning tests, and unstructured interviews with several samples. This study uses several inferential statistical tests such as normality tests, homogeneity tests, and ANOVA. The results of this study indicate that there are significant differences between the geometric reasoning abilities of students at level 0 and level 1, as well as between level 0 and level 2. The number of students classified as level 0 (visualization) is 69.77%; level 1 (analysis) is 24.42%; and level 2 (informal deduction) is 5.81%. No students were classified as level 3 or 4.
Co-Authors Alpha Galih Adirakasiwi Iyan Rosita Dewi Nur Rafiq Zulkarnaen Rika Mulyati Mustika Sari