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All Journal PYTHAGORAS: Jurnal Program Studi Pendidikan Matematika Jurnal Cendekia : Jurnal Pendidikan Matematika
Rohmawati, Elok
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Education Mathematics

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PENGEMBANGAN MEDIA PEMBELAJARAN MENGGUNAKAN GEOGEBRA PADA SUB POKOK BAHASAN GARIS SINGGUNG PERSEKUTUAN DUA LINGKARAN Rohmawati, Elok; Kristanto, Vigih Hery
PYTHAGORAS : Jurnal Program Studi Pendidikan Matematika Vol 7, No 1 (2018): PYTHAGORAS: Jurnal Program Studi Pendidikan Matematika
Publisher : UNIVERSITAS RIAU KEPULAUAN, BATAM, INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (645.944 KB) | DOI: 10.33373/pythagoras.v7i1.1186

Abstract

This research is a development research that aims to to find out the process and result of development of learning media of mathematics using Geogebra on sub subject of tangent alliance of two circles. Supporting devices used are RPP, BKS, BPG, and THB. The chosen development stage is Research and Development (R D) which has been modified by adding Nieveen criteria that is valid, practical and effective. Data collection techniques used questionnaires, observation sheets and tests. According to the criteria of practicality, it is known that the questionnaire of ease of using media reaches 79.8%. The operation of this media is so easy that it's easy to remember and can be used as a tool to learn the material. Questionnaires the role of teachers reached 81%. By using the teacher's activity media in explaining the material to be a little, because the students are more observing, summing up opinions, and working on the problem, so the teacher's interaction with the students is minimal, and the material explanation is enough to use the media. Observation sheet minimizes teacher's role by 76.95%. From the observer observation the students observed more, no difficulties in the use of media. However, learning cannot be finished as in RPP. According to the effectiveness criteria seen from the test of student learning outcomes so that the mastery of classical reach 35%. This is because learning is too focused on observation and discovery of the formula so that students do not practice in doing the problem. From this research, there are several findings, namely: learning media using Geogebra, supporting tool, namely RPP, BKS, BPG, THB and instrument have validity level on valid criteria, learning media using Geogebra is easy to use, learning media using Geogebra with supporting device can minimize the role of teachers so that the media meet the practical criteria. The test of learning outcomes has not been completed in a classical manner because the classical completeness does not reach 75% upwards, meaning that the media has not met the effective criteria.
Efektivitas Pembelajaran Think Pair Share dalam Meningkatkan Minat Belajar Siswa Kelas X SMA Muhammadiyah 3 Jember Rohmawati, ELok; Ah, Nurul Imamah; Purnomo, Edy
Jurnal Cendekia : Jurnal Pendidikan Matematika Vol 9 No 2 (2025): Jurnal Cendekia: Jurnal Pendidikan Matematika Volume 9 Nomor 2 Tahun 2025
Publisher : Mathematics Education Study Program

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/cendekia.v9i2.4042

Abstract

Dalam pembelajaran, minat adalah salah satu faktor penting yang mempengaruhi keberhasilan siswa dalam memahami pelajaran. Namun, berdasarkan hasil observasi pada kelas XB SMA Muhammadiyah 3 Jember, siswa cenderung memiliki minat yang rendah terhadap pelajaran matematika. Penelitian ini bertujuan untuk meningkatkan minat belajar matematika pada siswa dengan mengaplikasikan model pembelajaran kooperatif tipe Think Pair Share (TPS). Penelitian ini menggunakan metode Penelitian Tindakan Kelas (PTK) berdasarkan model Kemmis dan McTaggart yang terdiri dari empat tahapan: perencanaan, pelaksanaan tindakan, observasi, dan refleksi. Penelitian ini dilaksanakan dalam dua siklus. Teknik pengumpulan data meliputi angket, lembar observasi dan dokumentasi. Hasil penelitian menunjukkan adanya peningkatan minat belajar siswa antara siklus I dan siklus II. Rata-rata skor angket minat belajar siswa meningkat dari 73% pada siklus I menjadi 77% pada siklus II. Selain itu, hasil observasi terhadap aktivitas guru selama pembelajaran juga menunjukkan peningkatan, dari 88% menjadi 94%, dan keduanya masuk dalam kategori sangat baik. Penerapan model TPS dengan pengelompokan berdasarkan kemampuan siswa serta pemberian LKPD yang sesuai, mampu menciptakan pembelajaran yang menyenangkan, mendorong partisipasi aktif, dan meningkatkan minat belajar siswa. Dengan hasil ini, dapat disimpulkan bahwa penerapan model pembelajaran kooperatif tipe Think Pair Share efektif dalam meningkatkan minat belajar matematika siswa.
Co-Authors Edy Purnomo Nurul Imamah Vigih Hery Kristanto