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Mengatasi Problematika Pembelajaran Matematika dengan Praktik Lesson Study Pitriyani, Novia; Azka, Raekha; Suparni; Oktavia, Winda
Polynom: Journal in Mathematics Education Vol. 3 No. 3 (2023): November 2023
Publisher : Pusat Studi Pengembangan Pembelajaran Matematika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/polynom.2023.33.110-116

ABSTRAK Pendidikan adalah salah satu faktor penting dalam proses berkembangnya suatu negara. Negara yang maju memiliki pendidikan dengan kualitas yang baik sehingga diperlukan inovasi, salah satunya dalam proses pembelajaran. Banyak cara untuk meningkatkan kualitas pembelajaran salah satunya adalah dengan lesson study. Lesson study yang merupakan serangkaian kegiatan dalam pengembangan kemampuan pendidik dalam mengelola kegiatan pembelajaran di kelas mulai dari kegiatan pendahuluan, kegiatan inti, sampai kegiatan akhir yang terdiri dari 3 tahapan yaitu plan (perencanaan), do (pelaksanaan), dan see (refleksi). Tujuan penelitian ini adalah untuk mengimplementasikan lesson study sebagai solusi untuk mengatasi problematika pembelajaran matematika. Penelitian ini merupakan penelitian kualitatif dengan metode deskriptif. Data diperoleh melalui observasi langsung pada pelaksanaan lesson study di kelas XI F5 SMA Muhammadiyah 3 Yogyakarta. Dari penelitian ini, dapat disimpulkan bahwa lesson study menjadi tindakan yang efektif dalam mengatasi problematika pembelajaran matematika. Berdasarkan hasil lesson study, problematika yang terjadi seperti kurangnya keefektifan waktu karena sulitnya mengefektifkan pembagian kelompok karena perbedaan pendapat dapat diatasi dengan pembelajaran individu untuk diterapkan di kelas XI F5 dibandingkan dengan pembelajaran kelompok.

Lesson Study-Based Mathematics Learning Using Cooperative Model on Single Interest and Compound Interest Materials Latifah, Roykhana; Suparni; Prasetyo, Aris Budi
Polynom: Journal in Mathematics Education Vol. 4 No. 2 (2024): Juli 2024
Publisher : Pusat Studi Pengembangan Pembelajaran Matematika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/polynom.2024.42.53-60

The implementation of lesson study-based mathematics learning with cooperative model at Colombo High School showed positive results in improving students' engagement and understanding of single and compound interest material. This study aims to explore the effectiveness of the cooperative learning model, particularly through two cycles of lesson study. The method used was a case study with data collection through observation, interviews, and observation sheets. In the first cycle, using the Think Pair Share (TPS) model, it succeeded in making student participation active although there were still challenges such as lack of focus. To overcome this problem, the second cycle applied the Team Games Tournament (TGT) model, which proved more effective in increasing student enthusiasm and engagement. The reflection results showed the need for improvement in group division to be more heterogeneous and increase students' problem-solving literacy. Continuous evaluation through discussions between model teachers and subject teachers is essential to identify and improve strengths and weaknesses in the implementation of learning. The implication of this research shows that the implementation of lesson study can be an effective strategy to improve the quality of mathematics learning in secondary schools.

LESSON STUDY: UPAYA MENINGKATKAN KUALITAS PEMBELAJARAN MATEMATIKA Indria Pramesti, Fauziah; Suparni; Sunarni
Jurnal Edukasi dan Sains Matematika (JES-MAT) Vol. 11 No. 1 (2025): Jurnal Edukasi dan Sains Matematika (JES-MAT)
Publisher : Department of Mathematics Education, Universitas Kuningan

Show Abstract | Download Original | Original Source | Check in Google Scholar

Lesson Study is an activity that involves teachers in designing, implementing, observing, and reflecting on the learning process. This study aims to analyze the application of Lesson Study in an effort to improve the quality of mathematics learning. This research is qualitative research carried out in conjunction with the Introduction to Education Field (PLP) activity from September 9 to October 25, 2024 at SMA Negeri 10 Yogyakarta. The subject of the study is class XI 4 students consisting of 36 students in the 2024/2025 school year. Data were collected through observations, interview, and documentation of the learnin process. The collected data were analyzed using a qualitative descriptive. The results of the study show that each stage of Lesson Study, namely plan, do, and see, has been carried out in 2 cycles well. At the plan stage, the model teacher arranges learning tools as needed. Furthermore, in the do stage, the model teacher implements a learning plan that includes preliminary activities, core activities, and closing activities. Finally, in the see stage, the model teacher and the observer conduct reflection to evaluate the success and improvement of learning. The results of the study also showed an improvement in the quality of mathematics learning. The improvement indicator can be seen from the increase in student activity during the learning process and the increase in student learning outcomes. These findings show that the implementation of the right learning strategies can have a positive impact on the quality of mathematics learning in the classroom.

Etnomatematika: Kerajinan Gerabah di Desa Kasongan dalam Pembelajaran Matematika Zahra M, Sasikirana; Suparni
Polynom: Journal in Mathematics Education Vol. 2 No. 2 (2022): Juli 2022
Publisher : Pusat Studi Pengembangan Pembelajaran Matematika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/polynom.2022.22.127-135

Gerabah merupakan ciri khas di Daerah Kasongan yang memiliki arti yaitu suatu kerajinan yang terbuat dari tanah liat bentuk seperti patung, guci, celengan, vas bunga, kursi, hiasan rumah, dan lainnya disertai dengan berbagai variasi bentuk, warna, ukuran, motif, dan jenis tambahan bahan yang dipakai seperti keramik, kaca, pasir, dan batu. Dari sebuah gerabah dapat dianalisis unsur matematikanya bahwa terdapat hakekat matematika sebagai seni, bidang geometri (bangun datar dan bangun ruang), serta volume dan luas permukaan benda. Dalam pendekatan etnomatematika tentu gerabah dapat digunakan sebagai budaya yang mengimplementasikan materi seperti pada bentuk kubus, balok, segitiga, persegi, persegi panjang, lingkaran, kerucut, dan tabung. Hal ini membuat bahwa matematika merupakan ilmu yang tidak hanya menghafal rumus tetapi dapat dikaitkan dengan kehidupan sehari-hari. Maka dari itu pada artikel ini, penulis akan membahas mengenai unsur matematika pada gerabah. Penelitian kali ini menggunakan metode deskriptif kualitatif dengan penelitian yang bersifat kepustakaan. Diharapkan dengan adanya tulisan ini dapat mengispirasi guru dalam memberikan materi kepada siswa untuk mengaitkan materi dengan yang ada pada lingkungan sehari-hari.

Eksplorasi Etnomatematika Pada Aksara Batak Riski Ardian; Suparni
JURNAL PENDIDIKAN ILMU PENGETAHUAN ALAM Vol. 1 No. 1 (2023): Jurnal Pendidikan Ilmu Pengetahuan Alam (November 2023)
Publisher : Universitas Gara Nusantara Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.64168/fisika.v1i1.1312

Mathematical concepts can be used to explore mathematics in culture. The term used to associate mathematics and culture is ethnomathematics. Cultural elements such as traditional dances, traditional songs, customs, traditional languages, traditional games, traditional foods need to be preserved. One of them is Batak tribe. Batak tribe have traditional language and term of language is Batak script which was an important part of ancient times in writing documents, ancient manuscript, etc. The purpose of this research is to explore ethnomathematics in Batak scripts. This research was a qualitative research with an ethnographic approach. The results of this research found mathematical concepts, namely one dimensional geometry, intersecting lines, parallel lines, and acute angles. In addition, there is the concepts of geometric transformation, namely reflection on the x-axis and y-axis.

Penggunaan Model Pembelajaran Somatic Auditory Visualisation Intellectualy Untuk Meningkatkan Hasil Dan Motivasi Belajar Siswa Kelas X SMA Negeri 1 Sinunukan Pada Materi Fungsi Logaritma Torang Siregar; Lelya Hilda; Almira Amir; Suparni
JURNAL PENDIDIKAN ILMU PENGETAHUAN ALAM Vol. 1 No. 1 (2023): Jurnal Pendidikan Ilmu Pengetahuan Alam (November 2023)
Publisher : Universitas Gara Nusantara Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.64168/fisika.v1i1.1316

The ability to absorb the national assessment of logarithmic function content for SMA Negeri 1 Sinunukan in 2020 and 2021 is very low. This low learning ability may be caused by the implementation of less effective learning strategies. Therefore, there is a need to use more effective learning strategies so that students master mathematics. especially the material on logarithmic functions becomes better and students' learning motivation also changes for the better. One learning strategy that is considered to have the potential to improve academic achievement and increase motivation to learn mathematics is the SAVI learning model. The aim of this research is to find out whether the learning model SAVI can increase the motivation and learning outcomes of logarithm material for class Both cycles use the SAVI learning model. 0.97 in cycle I increased in cycle II to 77.56

IMPLEMENTASI VIDEO EXPLAINER SEBAGAI STRATEGI DALAM PENINGKATAN KEMAMPUAN PEMECAHAN MASALAH SISWA SMP N 1 SINUNUKAN Torang Siregar; Suparni; Almira Amir; Adinda, Anita
JURNAL CERMATIKA Vol. 4 No. 1 (2024): Jurnal Cermatika Vol 4 No 1 April 2024
Publisher : Program Studi Matematika Universitas Graha Nusantara Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.64168/cermatika.v4i1.1323

Abstract This research aims to determine the results of the implementation of Video Explainer in terms of students' Problem Solving Ability. This research is Classroom Action Research which consists of 2 cycles, each cycle consisting of 2 meetings. The data collection technique is through giving a problem solving ability test. The subjects in this research were 28 students of class IX SMP Negeri 1 Sinunukan. The results of the students' problem solving ability test in the initial test showed that 5 students (17.85%) experienced completeness with an average ability test score of 54.82 in the very low problem solving ability category. In the first cycle, there was a classical improvement as shown by the achievement of 13 students (46.42%) completing the test with an average score of 66.78 in the low category. Implementation continued in cycle II, student test results experienced a classical increase, 25 students (89.28%) completed the results with an average score of 80.23 in the high category. From the results of the tests given, there was an increase from the initial test to cycle II. Thus, it is concluded that implementing explainer videos can improve the problem solving abilities of class IX students at SMP Negeri 1 Sinunukan.

Eksplorasi Etnomatematika Pada Aksara Batak Riski Ardian; Suparni
JURNAL PENDIDIKAN ILMU PENGETAHUAN ALAM Vol. 1 No. 1 (2023): Jurnal Pendidikan Ilmu Pengetahuan Alam (November 2023)
Publisher : Universitas Gara Nusantara Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.64168/fisika.v1i1.1312

Mathematical concepts can be used to explore mathematics in culture. The term used to associate mathematics and culture is ethnomathematics. Cultural elements such as traditional dances, traditional songs, customs, traditional languages, traditional games, traditional foods need to be preserved. One of them is Batak tribe. Batak tribe have traditional language and term of language is Batak script which was an important part of ancient times in writing documents, ancient manuscript, etc. The purpose of this research is to explore ethnomathematics in Batak scripts. This research was a qualitative research with an ethnographic approach. The results of this research found mathematical concepts, namely one dimensional geometry, intersecting lines, parallel lines, and acute angles. In addition, there is the concepts of geometric transformation, namely reflection on the x-axis and y-axis.

Penggunaan Model Pembelajaran Somatic Auditory Visualisation Intellectualy Untuk Meningkatkan Hasil Dan Motivasi Belajar Siswa Kelas X SMA Negeri 1 Sinunukan Pada Materi Fungsi Logaritma Torang Siregar; Lelya Hilda; Almira Amir; Suparni
JURNAL PENDIDIKAN ILMU PENGETAHUAN ALAM Vol. 1 No. 1 (2023): Jurnal Pendidikan Ilmu Pengetahuan Alam (November 2023)
Publisher : Universitas Gara Nusantara Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.64168/fisika.v1i1.1316

The ability to absorb the national assessment of logarithmic function content for SMA Negeri 1 Sinunukan in 2020 and 2021 is very low. This low learning ability may be caused by the implementation of less effective learning strategies. Therefore, there is a need to use more effective learning strategies so that students master mathematics. especially the material on logarithmic functions becomes better and students' learning motivation also changes for the better. One learning strategy that is considered to have the potential to improve academic achievement and increase motivation to learn mathematics is the SAVI learning model. The aim of this research is to find out whether the learning model SAVI can increase the motivation and learning outcomes of logarithm material for class Both cycles use the SAVI learning model. 0.97 in cycle I increased in cycle II to 77.56

Game Edukasi Android Deck Card untuk Memfasilitasi Pemahaman Konsep Siswa Materi Pecahan Firdausi, Isna; Suparni
Mosharafa: Jurnal Pendidikan Matematika Vol. 11 No. 3 (2022): September
Publisher : Department of Mathematics Education Program IPI Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31980/mosharafa.v11i3.736

Konsep pecahan merupakan salah satu konsep dasar yang perlu dipahami agar kemampuan mempelajari materi yang lain tidak terhambat. Namun kemungkinan terjadinya miskonsepsi pada siswa ketika belajar pecahan sangat mungkin terjadi. Diperlukan upaya untuk meminimalisir peluang miskonsepsi tersebut. Game edukasi adalah salah satu media belajar yang dapat memberikan pengaruh bagi siswa untuk memahami konsep yang dipelajari. Penelitian ini bertujuan mengembangkan aplikasi game edukasi android Deck Card yang valid untuk membantu siswa SMP/MTs memahami konsep pecahan dengan model pengembangan PPE (Planning, Production, and Evaluation). Instrumen penelitian meliputi lembar penilaian produk untuk ahli materi dan ahli media yang dipeer-review terlebih dahulu oleh expert judgment. Berdasarkan hasil uji kevalidan produk oleh ahli materi diperoleh kriteria sangat baik dengan persentase 83,82%, sedangkan dari ahli media diperoleh kriteria baik dengan persentase 74,56%. Hasil tersebut menunjukkan bahwa game edukasi yang dikembangkan valid dan layak diujicobakan pada siswa. The concept of fractions is one of the basic concepts that need to be understood so that the ability to study other materials is not hampered. However, the possibility of misconceptions in students when learning fractions is very possible. Efforts are needed to minimize the opportunities for these misconceptions. Educational games are one of the learning media that can influence students to understand the concepts studied. This study aims to develop a valid Android Deck Card educational game application to help SMP/MTs students understand the concept of fractions with the PPE (Planning, Production, and Evaluation) development model. The research instruments include product assessment sheets for the material expert and media experts who are peer-reviewed by expert judgment. Based on the results of product validity tests by material experts, the criteria were very good with a percentage of 83.82%, while media experts obtained good criteria with a percentage of 74.56%. These results indicate that the educational game developed is valid and worthy to be tested on students.

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