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All Journal Media Penelitian Pendidikan : Jurnal Penelitian dalam Bidang Pendidikan dan Pengajaran JOURNAL OF SCIENCE AND SOCIAL RESEARCH Jurnal Wahana Pendidikan Journal of Didactic Mathematics PEDAGOGI: Jurnal Ilmiah Pendidikan Jurnal Pemberdayaan Sosial dan Teknologi Masyarakat
Dhana, Muhammad Bayu Al
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Computer Science & IT Economics, Econometrics & Finance Education Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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PENGARUH PEMBELAJARAN KOOPERATIF TIPE THINK PAIR SHARE TERHADAP KEMAMPUAN REPRESENTASI MATEMATIS SISWA Astriani, Nurullita; Dhana, Muhammad Bayu Al
Journal of Didactic Mathematics Vol 1, No 1 (2020): April
Publisher : Mahesa Research Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (466.787 KB) | DOI: 10.34007/jdm.v1i1.147

Abstract

This study aims to determine the effect of think pair share type of cooperative learning on students' mathematical representation abilities. This research is a quasi-experimental research. The population in this study were all eighth-grade students of SMP Negeri 1 Pangkalan Susu. The samples in this study were 2 classes, namely class VIII-1 which was used as an experimental class and class VIII-2 was used as a control class. The instrument used was a test in the form of a description of the material Relations and Functions. From testing the hypothesis obtained tcount (2.135) > ttable (1.6715) means that Ho is rejected and Ha is accepted. This shows the influence of think pair share type of cooperative learning on students' mathematical representation ability.
PENGARUH PENDEKATAN CONTEXTUAL TEACHING AND LEARNING TERHADAP KEMAMPUAN PEMAHAMAN KONSEP MATEMATIS SISWA Astriani, Nurullita; Dhana, Muhammad Bayu Al
Pedagogi: Jurnal Ilmiah Pendidikan Vol 10 No 2 (2024): PEDAGOGI
Publisher : FKIP Universitas Al Washliyah Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47662/pedagogi.v10i2.738

Abstract

Understanding concepts is one of the goals of mathematics learning. Understanding mathematical concepts is not just knowing a concept, but being able to re-express the concepts studied in a form that is easier to understand and being able to apply them in problem solving. Students' ability to understand mathematical concepts will be formed systematically if students can construct their mathematical knowledge and connect it to contextual problems. One effort that can be made to improve students’ ability to understand mathematical concepts is to apply the Contextual Teaching and Learning approach. This research aims to determine the effect of the Contextual Teaching and Learning approach on students' ability to understand mathematical concepts. This research is a quasi-experimental research. This research was carried out at SMP Negeri 1 Pangkalan Susu. The sample selection technique used in this research is purposive sampling technique. The population of this study were all class VII students. The samples in this study were 2 classes, namely class VII-4 which was used as the experimental class and class VII-5 which was used as the control class. The results of this research show that there is an influence of the Contextual Teaching and Learning approach on students' ability to understand mathematical concepts.
Perbedaan Model Pembelajaran Number Head Together (NHT) Dan Model Pembelajaran Jigsaw Terhadap Kemampuan Pemecahan Masalah Matematis Siswa Dhana, Muhammad Bayu Al; Astriani, Nurullita
Wahana Pendidikan Vol 12, No 1 (2025): Januari
Publisher : Universitas Galuh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25157/jwp.v12i1.16928

Abstract

Kemampuan matematika yang sangat penting di dalam pembelajaran salah satunya adalah kemampuan pemecahan masalah.Dengan memiliki kemampuan pemecahan masalah dapat membuat siswa menjadi lebih aktif, berpikir terbuka, serta berorientasi pada solusi.Salah satu upaya yang dapat meningkatkan kemampuan pemecahan masalah matematis siswa merupakan dengan menggunakan model pembelajaran yang sesuai.Penelitian ini bertujuan agar mendeskripsikan perbedaan model pembelajaran Number Head Together (NHT) dan model pembelajaran Jigsaw terhadap kemampuan pemecahan masalah matematis siswa.Penelitian ini yaitu penelitian kuantitatif dengan jenis kuasi eksperimen.Populasi dalam  penelitian ini seluruh  siswa kelas VII SMP  Negeri  1  Babalan.Sampel  dalam  penelitian  ini  2 kelas  yaitu  kelas VII-1 yang dijadikan  sebagai  kelas  eksperimen dan kelas VII-2  dijadikan  sebagai  kelas kontrol.Jenis instrument  penelitian yaitu  tes  yang  berupa tes uraian pada  materi persamaan linear.Hasil dari penelitian ini menunjukkan bahwa  terdapat  perbedaan model pembelajaran Number Head Together (NHT) dan model pembelajaran Jigsaw terhadap kemampuan pemecahan masalah matematis siswa.Dari hasil perhitungan menggunakan uji t pada taraf signifikansi 5% dan derajat kebebasan (dk) = 58 diperoleh t hitung (2,437) > t tabel (2,0017) artinya Ho ditolak dan Ha diterima.Dimana kemampuan pemecahan masalah matematis siswa dengan menggunakan model pembelajaran Number Head Together (NHT) lebih baik dari pada kemampuan pemecahan masalah dengan menggunakan model pembelajaran Jigsaw.
PEMANFAATAN TEKNOLOGI UNTUK MENUMBUHKEMBANGKAN MOTIVASI BELAJAR MATEMATIS SISWA Dhana, Muhammad Bayu Al; Astriani, Nurullita; Maharani, Dewi; Arifin, M
Jurnal Pemberdayaan Sosial dan Teknologi Masyarakat Vol 5, No 1 (2025): April 2025
Publisher : Smart Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54314/jpstm.v5i1.3377

Abstract

Abstract: The use of technology in education has been proven to provide a positive contribution to increasing students' mathematical learning motivation. The purpose of this Community Service is to explore how technology can foster students' mathematical learning motivation in grade V of SDN No. 053997 Sei Siur, Pangkalan Susu District, Langkat Regency, North Sumatra. Through interactive and varied digital media, students can learn in a more interesting, flexible way, and according to their individual needs. Technology also allows for the creation of a more collaborative and communicative learning environment, which ultimately fosters curiosity, activeness, and enthusiasm for learning. Therefore, the integration of appropriate technology in fostering students' mathematical learning motivation is very important to support the achievement of educational goals optimally. Keywords: technology; mathematical learning motivation  Abstrak: Pemanfaatan teknologi dalam dunia pendidikan terbukti memberikan kontribusi positif terhadap peningkatan motivasi belajar matematis siswa. Tujuan dari Pengabdian kepada masyarakat ini adalah untuk mengeksplorasi bagaimana teknologi dapat dapat menumbuhkembangkan  motivasi belajar matematis siswa di kelas V SDN No. 053997 Sei Siur, Kec. Pangkalan Susu, Kabupaten Langkat, Sumatera Utara Melalui media digital yang interaktif dan variatif, siswa dapat belajar dengan cara yang lebih menarik, fleksibel, dan sesuai dengan kebutuhan individual mereka. Teknologi juga memungkinkan terciptanya lingkungan belajar yang lebih kolaboratif dan komunikatif, yang pada akhirnya menumbuhkan rasa ingin tahu, keaktifan, dan semangat belajar. Oleh karena itu, integrasi teknologi yang tepat dalam menumbuhkembangkan motivasi belajar matematis siswa merupakan hal yang sangat penting untuk menunjang tercapainya tujuan pendidikan secara optimal.  Kata kunci: teknologi; motivasi belajar matematis
ANALISA PREDIKSI PENJUALAN SPAREPART SEPEDA MOTOR HONDA MENGGUNAKAN REGRESI LINIER Efendi, Zulfan; Sena, Maulana Dwi; Dhana, Muhammad Bayu Al; Dari, Wulan
JOURNAL OF SCIENCE AND SOCIAL RESEARCH Vol 8, No 3 (2025): August 2025
Publisher : Smart Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54314/jssr.v8i3.4082

Abstract

Abstract: The availability of motorcycle spare parts on time and in sufficient quantities is the key to maintaining customer satisfaction and the smooth operation of authorized workshops and dealers. However, one of the main problems faced is the uncertainty in the amount of demand that often fluctuates due to seasonal factors, consumer behavior, and vehicle maintenance trends. This condition can cause excess stock which increases storage costs or shortages of stock which has an impact on declining service and the potential for losing customers. This study aims to analyze and predict sales of Honda motorcycle spare parts by utilizing the linear regression method. This method was chosen because of its ability to map the relationship between time variables and sales volume quantitatively and simply. The data used are monthly sales data for the last two years from authorized Honda distributors. The results of the analysis show that the linear regression model can predict sales trends with a fairly good level of accuracy, indicated by the coefficient of determination (R²) of 0.86. Thus, this model can be used as a decision-making tool in inventory management and marketing strategy planning that is more adaptive to changes in market demand Keywords: linear regression; motorcycle spare parts; sales prediction; stock                  management. Abstrak: Ketersediaan sparepart sepeda motor secara tepat waktu dan dalam jumlah yang memadai merupakan kunci dalam menjaga kepuasan pelanggan dan kelancaran operasional bengkel maupun dealer resmi. Namun, salah satu permasalahan utama yang dihadapi adalah ketidakpastian dalam jumlah permintaan yang sering kali fluktuatif akibat faktor musiman, perilaku konsumen, hingga tren perawatan kendaraan. Kondisi ini dapat menyebabkan kelebihan stok yang meningkatkan biaya penyimpanan atau kekurangan stok yang berdampak pada penurunan pelayanan dan potensi kehilangan pelanggan. Penelitian ini bertujuan untuk menganalisis dan memprediksi penjualan sparepart sepeda motor Honda dengan memanfaatkan metode regresi linier. Metode ini dipilih karena kemampuannya dalam memetakan hubungan antara variabel waktu dan jumlah penjualan secara kuantitatif dan sederhana. Data yang digunakan merupakan data penjualan bulanan selama dua tahun terakhir dari distributor resmi Honda. Hasil analisis menunjukkan bahwa model regresi linier dapat memprediksi tren penjualan dengan tingkat akurasi yang cukup baik, ditunjukkan oleh nilai koefisien determinasi (R²) sebesar 0,86. Dengan demikian, model ini dapat dijadikan alat bantu pengambilan keputusan dalam pengelolaan persediaan dan perencanaan strategi pemasaran yang lebih adaptif terhadap perubahan permintaan pasar. Kata kunci: manajemen stok; prediksi penjualan; regresi linier; sparepart motor.
Pengaruh Pendekatan Matematika Realistik Terhadap Kemampuan Komunikasi Matematis Siswa Astriani, Nurullita; Dhana, Muhammad Bayu Al
Media Penelitian Pendidikan : Jurnal Penelitian dalam Bidang Pendidikan dan Pengajaran Vol 16, No 2 (2022)
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/mpp.v16i2.13521

Abstract

This study aims to determine the effect of realistic mathematics approach on students' mathematical communication skills. This research is a quasi experimental research. The population in this study were all seventh-grade students of SMP Negeri 1 Pangkalan Susu. The samples in this study were 2 classes, namely class VII-3 which was used as an experimental class and class VII-4 was used as a control class. The instrument used was a test in the form of a description of the material Plan Figure. From testing the hypothesis obtained t count (2,250) t table (2.0003) means that Ho is rejected and Ha is accepted. This shows the influence of realistic mathematics approach on students' mathematical communication skills.
Co-Authors . Zulfan Astriani, Nurullita M Arifin Maharani, Dewi Sena, Maulana Dwi Wulan Dari, Wulan