PENGEMBANGAN BAHAN AJAR BANGUN RUANG SISI DATAR UNTUK MENINGKATKAN KEMAMPUAN KOMUNIKASI MATEMATIS DAN KEMANDIRIAN BELAJAR SISWA MELALUI PEMBELAJARAN BERBASIS MASALAH BERBANTUAN GEOGEBRA

    Toni Hidayat, - and Darhim, - and Sufyani Prabawanto, - and Jarnawi Afgani Dahlan, - (2025) PENGEMBANGAN BAHAN AJAR BANGUN RUANG SISI DATAR UNTUK MENINGKATKAN KEMAMPUAN KOMUNIKASI MATEMATIS DAN KEMANDIRIAN BELAJAR SISWA MELALUI PEMBELAJARAN BERBASIS MASALAH BERBANTUAN GEOGEBRA. S3 thesis, Universitas Pendidikan Indonesia.

    Abstract

    Penelitian ini bertujuan untuk mengembangkan bahan ajar matematika pada materi bangun ruang sisi datar guna meningkatkan kemampuan komunikasi matematis dan kemandirian belajar siswa melalui pembelajaran berbasis masalah berbantuan GeoGebra. Penelitian dilaksanakan di salah satu SMP Negeri di Kota Bengkulu dengan menggunakan metode penelitian dan pengembangan model ADDIE yang meliputi tahap validasi ahli, uji coba terbatas, serta uji kepraktisan dan efektivitas. Hasil validasi menunjukkan bahwa bahan ajar berada dalam kategori sangat valid berdasarkan penilaian dari ahli materi, media, bahasa, pedagogi, dan evaluasi. Uji kepraktisan menunjukkan bahwa bahan ajar sangat praktis dan mudah digunakan dalam kegiatan pembelajaran. Uji efektivitas dilakukan melalui paired sample t-test, yang menghasilkan nilai signifikansi sebesar 0,000 (<0,05), menunjukkan peningkatan yang signifikan dalam kemampuan komunikasi matematis siswa. Nilai N-Gain sebesar 0,77 mengindikasikan efektivitas yang tinggi terhadap hasil belajar. Uji Friedman terhadap angket kemandirian belajar dari pertemuan 1 hingga 7 menghasilkan nilai Chi-Square sebesar 237.996 dengan signifikansi 0,000, yang menunjukkan perbedaan signifikan serta kecenderungan peningkatan positif dalam kemandirian belajar siswa selama proses pembelajaran berlangsung. Dengan demikian, bahan ajar dinyatakan valid, praktis, dan efektif dalam mendukung pembelajaran. This study aims to develop mathematics teaching materials to enhance students’ mathematical communication skills and learning independence through problem-based learning supported by GeoGebra. The research was conducted at a state secondary school in Bengkulu City using the ADDIE development model, which consists of expert validation, limited trials, and tests of practicality and effectiveness. The validation results indicated that the teaching materials are categorised as highly valid, based on assessments by experts in subject content, media, language, pedagogy, and evaluation. The practicality test showed that the materials are highly practical and easy to implement in classroom activities. The effectiveness test, carried out using a paired sample t-test, produced a significance value of 0.000 (<0.05), indicating a significant improvement in students’ mathematical communication abilities. An N-Gain score of 0.77 reflects a high level of effectiveness in improving learning outcomes. The Friedman test applied to the learning independence questionnaire across meetings 1 to 7 yielded a Chi-Square value of 237.996 with a significance level of 0.000, demonstrating significant differences and a positive trend in students’ learning independence throughout the learning process. Therefore, the developed teaching materials are considered valid, practical, and effective in supporting mathematics learning.

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    Official URL: https://repository.upi.edu/
    Item Type: Thesis (S3)
    Additional Information: https://scholar.google.com/citations?user=LjBwaqcAAAAJ&hl=id ID SINTA Dosen Pembimbing: Darhim: 6166301 Sufyani Prabawanto: 5995121 Jarnawi Afgani Dahlan: 5974544
    Uncontrolled Keywords: bahan ajar, GeoGebra, komunikasi matematis, kemandirian belajar, pembelajaran berbasis masalah teaching materials, GeoGebra, mathematical communication, learning independence, problem-based learning.
    Subjects: L Education > L Education (General)
    L Education > LB Theory and practice of education
    L Education > LB Theory and practice of education > LB1603 Secondary Education. High schools
    Divisions: Fakultas Pendidikan Matematika dan Ilmu Pengetahuan Alam > Pendidikan Matematika - S3
    Depositing User: Toni Hidayat
    Date Deposited: 09 Sep 2025 02:56
    Last Modified: 09 Sep 2025 02:56
    URI: http://repository.upi.edu/id/eprint/138274

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