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All Journal AKSIOMA: Jurnal Program Studi Pendidikan Matematika SJME (Supremum Journal of Mathematics Education) JPMI (Jurnal Pembelajaran Matematika Inovatif) Journal of Medives: Journal of Mathematics Education IKIP Veteran Semarang
Linda Linda
IKIP Siliwangi
Education Mathematics Social Sciences Other

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Analisis Kesulitan Siswa SMP Kelas VIII pada Materi Segiempat dan Segitiga Berdasarkan Tahapan Berpikir Van Hiele Linda Linda; Martin Bernard; Nelly Fitriani
Jurnal Pendidikan Matematika IKIP Veteran Semarang Vol 4 No 2 (2020): Journal of Medives : Journal of Mathematics Education IKIP Veteran Semarang
Publisher : Urogram Studi Pendidikan Matematika, Universitas IVET

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (485.473 KB) | DOI: 10.31331/medivesveteran.v4i2.1066

Abstract

Penelitian ini bertujuan untuk mengetahui serta menganalisis kesulitan matematis siswa dalam menyelesaikan soal matematika terutama pada materi segitiga dan segiempat. Subjek penelitian ini yaitu siswa kelas VIII SMP di Bandung. Instrumen yang digunakan yaitu tes tulis berupa esai yang berjumlah 5 soal. Penelitian ini menerapkan metode analisis deskriptif, agar dapat mengetahui kesalahan dan kekeliruan siswa dalam menyelesaikan soal. Pengolahan data dihitung kedalam bentuk rata-rata skor siswa yang diperoleh dengan analisis berdasarkan tahapan Van Hiele. Hasil penelitian ini menyatakan bahwa ketercapaian siswa dalam memecahkan soal materi segiempat dan segitiga berdasarkan tahapan berpikir Van Hiele terbanyak berada pada tahap 1 (analisis) sebesar 87,87%. Ketercapaian berpikir pada tahapan Van Hiele yang baik baru mencapai tahapan visualisasi (tahap 0) sebesar 12,12%. Pada tahap 2 (deduksi informal) dan tahap 3 (deduksi) siswa belum mampu mencapai tahapan tersebut. Dengan demikian dapat dilihat bahwa tingkat pemahaman siswa terhadap materi segiempat dan segitiga masih tergolong rendah sehingga terdapat kesulitan dan kendala bagi siswa dalam mengerjakan soal pada materi segiempat dan segitiga berdasarkan tahapan Van Hiele. Kata kunci: kesulitan siswa, segiempat dan segitiga, tahap berpikir Van Hiele. ABSTRACT The purpose of this research is to analyze student’s mathematical difficulties in solving mathematics problems, especially in quadrilateral and triangular material. The subject of this study were students of class VIII of Junior high school in Bandung. The instrument used were written tests in the form of essays consists of 5 questions. This research method uses descriptive analysis of students mistakes in solving problems. The data is analysis based on Van Hiele theory. The results of this study stated that the students' achievement in solving rectangular and triangle material problems based on Van Hiele's thinking stage was mostly in stage 1 (analysis) of 87.87%. The achievement of Van Hiele's good thinking stages has only reached the visualization stage (stage 0) of 12.12%. For stage 2 (informal deduction) and stage 3 (deduction) no student has been able to reach that stage. Thus it can be seen that the level of student understanding of rectangular and triangular material is still relatively low so that there is difficulty in solving students' problems on rectangular and triangular material based on Van Hiele's thinking stages. Keywords: Student difficulties, quadrilateral and triangular, Van Hiele Thinking stage.
ANALISIS KESULITAN HASIL TES SISWA SMP KELAS VIII PADA MATERI SEGIEMPAT DITINJAU DARI PROFIL KETERAMPILAN GEOMETRI (PKG) Ra'uf Azhar Fakhrudin; Wahyu Hidayat; Linda Linda
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 6, No 3 (2023): Mei
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v6i3.17567

Abstract

This study aims to analyze students' difficulties in solving questions on quadrilateral material based on the stages of geometry skills using a descriptive method. The subjects of this study were 27 students of class VIII SMP Sumur Bandung Cililin. The instruments in this study were interview guidelines and 5 essay test questions. Data collection techniques used are observation, interviews, and documentation. The data analysis uses the formula for the percentage of student answers with the help of Microsoft Excel. From the results of this study it was found that in the visual stage the average student score was 69.00%, in the verbal stage it was 69.00%, in the drawing stage it was 79.00%, in the logic stage it was 46.00%, and in the applied average student score of 50.00%. Based on the results of these test items, it shows that in solving quadrilateral questions there are still difficulties felt by students in terms of geometry skills.
PENGEMBANGAN E-LKPD BERBASIS PBL BERBANTUAN WEB LIVE WORKSHEET UNTUK MENINGKATKAN KEMAMPUAN BERPIKIR KRITIS MATEMATISTEMATIS Asep Ikin Sugandi; Deddy Sofyan; Martin Bernard; Devi Widianti; Linda Linda
AKSIOMA: Jurnal Program Studi Pendidikan Matematika Vol 13, No 4 (2024)
Publisher : UNIVERSITAS MUHAMMADIYAH METRO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/ajpm.v13i4.9364

Abstract

Kemampuan berpikir kritis matematis merupakan kemampuan yang diperlukan dalam pembelajaran abad 21. Namun kenyataan di lapangan menunjukkan bahwa kemampuan  berpikir kritis masih rendah. Tujuan penelitian ini adalah untuk mengembangkan e-LKPD berbasis masalah berbantuan web live worksheet yang valid, praktis dan efektif. Metode penelitian yang digunakan metode  desain research (Development Research). Subjek dalam penelitian ini adalah 33 siswa kelas X RPL SMK Wiraswasta. Kategori  kritis matematis sebanyak 5 soal, Teknik pengolahan data dilakukan secara kuantitatif dan kualitatif. Berdasarkan hasil pengolahan data didapat bahwa e-LKPD yang dikembangkan termasuk sangat valid dengan nilai rata-rata sebesar 88 %, dikategorikan sangat praktis dengan nilai rata-rata sebesar 82 %  dan dikategorikan sangat efektif dengan nilai rata-rata sebesar 86%.  Dengan demikian dapat disimpulkan bahwa E-LKPD berbasis masalah berbantuan Web Liveworksheet dapat dikategorikan valid, praktis dan efektif untuk digunakan dalam pembelajaran Mathematical critical thinking skills are skills needed in 21st century learning. However, the reality in the field shows that critical thinking skills are still low. The purpose of this study was to develop a valid, practical and effective web live worksheet-assisted problem-based e-LKPD. The research method used was the design research method (Development Research). The subjects in this study were 33 students of class X RPL SMK Wiraswasta. The data collection technique used was a questionnaire in the form of a Likert attitude scale and 5 questions on mathematical critical thinking skills. Data processing techniques were carried out quantitatively and qualitatively. Based on the results of data processing, it was found that the e-LKPD developed was very valid with an average value of 88%, categorized as very practical with an average value of 82% and categorized as very effective with an average value of 86%. Thus, it can be concluded that the Web Liveworksheet-assisted problem-based e-LKPD can be categorized as valid, practical and effective for use in learning.  
Co-Authors Asep Ikin Sugandi Asep Ikin Sugandi Asep Ikin Sugandi Asep Ikin Sugandi Asep Ikin Sugandi Deddy Sofyan Devi Widianti Dewi Ratna Sari Eva Dwi Minarti Fitriani, Nelly Heri Heri M. Afrilianto Martin Bernard Ra'uf Azhar Fakhrudin Siti Maesaroh Tina Rosyana Utari Sumarmo Wahyu Hidayat