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All Journal Desimal: Jurnal Matematika SIGMA
Luvy Sylviana Zanthy
IKIP Siliwangi Bandung
Education Mathematics Social Sciences

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PEMBELAJARAN MENGGUNAKAN PENDEKATAN KONTEKSTUAL BERBANTUAN APLIKASI GEOGEBRA UNTUK MENINGKATKAN KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA Leni Nurhayati; Ernawati Ernawati; Muhammad Afrilianto; Luvy Sylviana Zanthy
SIGMA Vol 5, No 2 (2020): SIGMA
Publisher : Prodi Pendidikan Matematika FKIP Universitas Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (605.361 KB) | DOI: 10.36513/sigma.v5i2.713

Abstract

Tujuan dari penelitian ini yaitu untuk menelaah peningkatan kemampuan siswa SMA dalam memecahkan masalah matematis pada materi pokok program linear dengan jenis penelitian yang digunakan adalah penelitian tindakan kelas (PTK). Sampel dalam penelitian ini yaitu siswa kelas XI SMA Leppesa 2 Cililin dengan jumlah 23 orang pada tahun pelajaran 2019/2020. Instrumen yang digunakan berupa lembar observasi aktivitas guru dan siswa serta tes tulis yaitu pretes dan postest. Prosedur penelitian ini terdiri dari: 1) perencanaan, 2) pelaksanaan tindakan, 3) observasi dan evaluasi, dan 4) refleksi. Hasil penelitian menunjukan bahwa kemampuan siswa dalam memecahkan masalah matematis khususnya pada materi program linear dapat ditingkatkan melalui pendekatan kontekstual yang dikolaborasikan dengan media ICT yaitu aplikasi  geogebra.
Mathematical Connection Ability : Impact of Contextual Teaching And Learning Approaches in Flat Side Space Lesson kurnia kandari; Luvy Sylviana Zanthy
Desimal: Jurnal Matematika Vol 3, No 1 (2020): Desimal: Jurnal Matematika
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (199.993 KB) | DOI: 10.24042/djm.v3i1.4467

Abstract

The purpose of this research is to analyze the students' mathematical connection ability before and after getting Contextual Teaching and Learning. The subjects were the 26 students of class VIII-A at SMI 1 MANIIS, Purwakarta Regency. The research used the descriptive method with the qualitative approach. The data for the analysis were from the test to student consist of 5 questions with 4 different indicators. The results shows that all students have moderate in mathematical connection ability with the overall results of 65.83%. For the results of each indicator, there is one indicator that has not been met, understanding the equivalent representation from one procedure to another one, or from one concept to another concept. So it can be concluded that the mathematical connection ability in terms of the Contextual Teaching and Learning approach has a significant effect.
Analisis Kemampuan Koneksi Matematik dan Self Confidence Siswa SMP melalui Model Pembelajaran Think Pair Share Nisa Fitri Alfiyah; Iis Rosdianti; Luvy Sylviana Zanthy
Desimal: Jurnal Matematika Vol 2, No 3 (2019): Desimal: Jurnal Matematika
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (272.631 KB) | DOI: 10.24042/djm.v2i3.4469

Abstract

This study aims to describe the ability of mathematical connections and students' self confidence through the Think Pair Share (TPS) learning model. This research is a qualitative descriptive.. The instruments used in this study were the description test and self confidence questionnaire. From the results of the completion of the student description test, it was found that the level of mathematical connection ability through the Think Pair Share learning model for junior high school students is still relatively low. This is influenced by several factors, one of them is students' lack of understanding of the material and students are not able to transform the problem posed into the knowledge they have. This can be seen from the mistakes of students in working on the test description. Meanwhile, even though the test results of the mathematical connection description are still low, the scale of the students' self-confidence attitude is good enough at 60.96%.
Co-Authors Ernawati Ernawati Iis Rosdianti kurnia kandari Leni Nurhayati M. Afrilianto Nisa Fitri Alfiyah