Garuda - Garba Rujukan Digital

Traditional â€œCongklakâ€ Games and Cooperative Character in Mathematics Larning Kamid, Kamid; Syaiful, Syaiful; Theis, Roseli; Sufri, Sufri; Septi, Sabila Eka; Widodo, Rido Ilham
Jurnal Ilmiah Sekolah Dasar Vol 5, No 3 (2021): Agustus
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jisd.v5i3.37740

Learning mathematics is a basic material that has been taught since elementary school. However, mathematics is one material that is not liked by the majority of students. In addition to being less attractive, elementary school students also tend to have value gaps among their peers. This indicates a lack of cooperation that is applied in learning mathematics. Therefore, the authors conducted research related to traditional games that were implemented in mathematics learning. The purpose of this study was to determine the relationship and influence of the character of cooperation with students' responses by using traditional games in learning, it is hoped that students are more interested in learning the material, and also traditional games can foster the character of cooperation in students. This type of research uses quantitative methods with the type of comparative research. This research was conducted by distributing questionnaires. The data analysis technique used is random sampling. The research subjects in this study were 120 students at SD IT Ash-Shidiiqi, SD Islam As'ad, and SDN 220/IV Telanaipura Jambi City. The results obtained are SDN 220/IV Telanaipura has a higher percentage than SD IT Ash-Shidiiqi, SD Islam As'ad so that SDN 220/IV Telanaipura has an advantage in the character of cooperation. The conclusion of this study is that there is a relationship and influence of the character of cooperation with student responses.

Implementation of ARIMA Method in Predicting Stock Price Fluctuations of PT Bank Central Asia Tbk: Penerapan Metode ARIMA Dalam Memprediksi Fluktuasi Harga Saham PT Bank Central Asia Tbk Wulandari, Suci; Sufri Sufri; Sherli Yurinanda
Buana Matematika : Jurnal Ilmiah Matematika dan Pendidikan Matematika Vol 11 No 1 (2021)
Publisher : Universitas PGRI Adi Buana Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/buanamatematika.v11i1.3560

In stock trading activities, the share price always fluctuates, it is caused by the demand and supply of the shares. The condition of stocks that continue to experience fluctuations makes investors who want to invest in stocks need to pay attention and study in advance the past data of the company to be selected to know how the company's stock price fluctuations in the next period.This study aims to determine the model of ARIMA Box-Jenkins from the closing price of PT Bank Central Asia Tbk shares, then forecast the obtained model. The data used in this study is the data series of the closing price of PT Bank Central Asia Tbk's daily shares from October 1, 2020 to February 26, 2021. The forecasting method used is the ARIMA Box-Jenkins method. As a result of this study, the appropriate ARIMA Box-Jenkins model for the closing price of PT Bank Central Asia Tbk's shares is the ARIMA model (0,2,1). The predicted value of the model is that the closing price of PT Bank Central Asia Tbk shares has decreased. Pada aktivitas perdagangan saham, harga saham selalu mengalami fluktuasi, hal itu disebabkan oleh adanya permintaan dan penawaran atas saham tersebut. Kondisi saham yang terus mengalami fluktuasi membuat para investor yang ingin melakukan investasi saham perlu memperhatikan dan mempelajari terlebih dahulu data masa lalu dari perusahaan yang akan dipilih untuk mengetahui bagaimana fluktuasi harga saham perusahaan pada periode selanjutnya. Penelitian ini bertujuan untuk menentukan model ARIMA Box-Jenkins dari harga penutupan saham PT Bank Central Asia Tbk, kemudian melakukan peramalan dari model yang diperoleh. Data yang digunakan dalam penelitian ini adalah data deret waktu harga penutupan saham harian PT Bank Central Asia Tbk dari 1 Oktober 2020 sampai 26 Februari 2021. Metode peramalan yang digunakan adalah metode ARIMA Box-Jenkins. Hasil dari penelitian ini, model ARIMA Box-Jenkins yang sesuai untuk harga penutupan saham PT Bank Central Asia Tbk adalah model ARIMA (0,2,1). Nilai hasil prediksi dari model tersebut yaitu harga penutupan saham PT Bank Central Asia Tbk mengalami penurunan.

Cooperative Learning Model with Process Skills for Mathematics Learning in Elementary School Kamid, Kamid; Syaiful, Syaiful; Theis, Roseli; Sufri, Sufri; Rohana, Siti
International Journal of Elementary Education Vol 6, No 1 (2022): February
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/ijee.v6i1.38737

The problem that often occurs in the learning process is the low student learning outcomes. One of the efforts that can be done to overcome these problems is to apply an innovative learning model. One of the learning models that can be implemented in the learning process is the cooperative learning model. This study aims to analyze student responses to the process skills of the jigsaw and STAD learning models in mathematics. This study is research with a quantitative approach and uses a comparative method. The data collection process was carried out using the observation method, with 144 elementary school students as respondents. The data analysis process was carried out descriptively using the SPSS 25.0 application. The results showed that the student's response to the process skills of the learning model in mathematics learning was quite good, judging from the comparison of each student's data between the jigsaw and STAD learning models. So, it can be concluded that there is a relationship and comparison of the two learning models applied in schools. The results of this study are expected to contribute ideas for knowledge and education as well as provide an overview of the learning model and teaching process skills in mathematics subjects.

The relationship between students’ mathematical disposition and their learning outcomes Kamid Kamid; Nizlel Huda; Wardi Syafmen; Sufri Sufri; Sofnidar Sofnidar
Journal of Education and Learning (EduLearn) Vol 15, No 3: August 2021
Publisher : Intelektual Pustaka Media Utama

The affective aspects must be owned by students in a lesson, where the affective aspects will have a relationship with the cognitive aspects of a student, therefore this study aimed to determine whether there is a relationship between students 'mathematical dispositions and students' mathematics learning outcomes. Using a mixed method and a sequential explanatory plan, the research was undertaken by first collecting quantitative data and then continuing to collect qualitative data. Where, the sample count in this study was 413 students from junior secondary schools 18 in Jambi City, Indonesia who used a total sampling technique. Data were then analyzed with the help of SPSS 21 application to find descriptive statistics in the form of mean, min, max, and category as well as inferential statistics using Pearson Product Moment. The results obtained in this study dominate both the mathematical disposition of pupils and the learning outcomes of pupils in mathematics. This was reinforced by the existence of a relationship between mathematical disposition and student learning outcomes in mathematics which is indicated by the obtained sig less than 0.05. This means that the mathematical disposition of students which includes the affective aspect of students has a relationship with the cognitive aspect, by having a good affective aspect, the cognitive aspects of the student are also good.

PENGEMBANGAN E-BOOK BERBASIS ANDROID DENGAN PENDEKATAN STEM PADA MATERI BANGUN RUANG SISI LENGKUNG Sufri Sufri; Feri Tiona Pasaribu; Tri Gita Yuliana
Delta: Jurnal Ilmiah Pendidikan Matematika Vol 10, No 1 (2022): Delta : Jurnal Ilmiah Pendidikan Matematika
Publisher : Universitas Pekalongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31941/delta.v10i1.1375

Penelitian ini bertujuan untuk menghasilkan E-Book berbasis android dengan pendekatan STEM (Science, Technology, Engineeraing, and Mathematics) pada materi bangun ruang sisi lengkung, yaitu tabung, kerucut dan bola di kelas IX SMP. Penelitian ini dikembangkan dengan berdasarkan tingkat kevalidan, kepraktisan dan keefektifan. Penelitian ini merupakan penelitian pengembangan menggunakan model ADDIE yang dikembangkan oleh Branch (2009) meliputi tahap analisis, desain, pengembangan, implementasi dan evaluasi. Penelitian ini dilakukan pada salah satu sekolah di Provinsi Jambi, yakni SMP Negeri 11 Kota Jambi. Subjek penelitian ini adalah guru pada uji coba perorangan dan siswa pada uji coba kelompok kecil serta uji coba lapangan. Instrumen penelitian yang digunakan terdiri dari angket validasi materi dan desain, angket praktikalitas e-book, angket efektifitas e-book dan soal tes hasil belajar. Hasil akhir dari penelitian ini menunjukkan hasil yang bagus, yakni: (a) persentase kevalidan e-book dari ahli materi 96,36% (sangat valid) dan ahli desain 92,5% (sangat valid), (b) persentase kepraktisan e-book oleh pendidik 90,7% (sangat praktis) dan oleh peserta didik 83,8% (sangat praktis), (c) persentase keefektifan e-book dari angket respon peserta didik 86,62% dan dari ketuntasan tes hasil belajar 83,78%.

Prediksi Predikat Kelulusan Mahasiswa dengan Rantai Markov dan Faktor-Faktor yang Mempengaruhi Indeks Prestasi Mahasiswa Arfarani Rosalindari; Sufri Sufri; Gusmi Kholijah
AlphaMath : Journal of Mathematics Education Alphamath: Vol. 7, No. 1, May 2021
Publisher : Department of Mathematics Education, Universitas Muhammadiyah Purwokerto, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/alphamath.v7i1.9919

Students' Achievement Index (IP) changes each semester, both increase and decrease. This affects the GPA obtained by graduation. IP obtained by students in even semester is only influenced by IP in odd semester. Based on nature of Markov Chain, if there are past and future events, then future events are independent of past events and only tied to current events. Markov chain is used to analyze probability of IP change each semester and to predict the predicate of graduation with state space used, namely: satisfactory predicate with GPA of 2.00 - 2.75 to state 0, satisfactory predicate with GPA of 2.76 - 3, 24 becomes state 1, predicate is very satisfactory with GPA of 3.25 - 3.79 being state 2, and cumlaude predicate with GPA of 3.80 - 4.00 being state 3. This study aims to predict the predicate of student graduation and to analyze factors that have significant effect on IP. Dummy regression is used to analyze factors that have significant effect on IP with the factors studied, namely: campus facilities and infrastructure, friendship, organizational activeness, internet use, and money. Results showed that predicate of graduation with satisfactory predicate, GPA range of 2.00-2.75 was 0.56%, students who graduated with satisfactory predicate GPA range 2.76-3.24 was 7.39%, students who graduated with very satisfactory predicate, GPA ranges 3.25-3.79 was 54.18%, and students who graduated with cumlaude predicate ranged from GPA 3.80-4.00 was 37.87%. Factors that have significant effect on student GPA are activeness in the organization and use of the internet.

Time Series Analysis Curah Hujan Kabupaten Muaro Jambi Menggunakan Rantai Markov Susilawati Susilawati; Sufri Sufri; Bunga Mardhotillah
Jurnal Engineering Vol. 4 No. 1 (2022): Volume 4, Nomor 1, Januari 2022
Publisher : Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jurnalengineering.v4i1.16521

Penelitian ini bertujuan untuk mengetahui jumlah rata-rata dan time series analysis curah hujan di Kabupaten Muaro Jambi mengunakan rantai markov serta mengetahui peluang transisi dan kondisi steady state curah hujan. Jenis data yang digunakan dalam penelitian ini adalah data kuantitatif yang diambil secara langsung di BMKG Stasiun Klimatologi Muaro Jambi. Data terdiri dari 8 lokasi pengamatan yang ada di Kabupaten Muaro Jambi dengan selang waktu 8 bulan yaitu bulan Mei hingga Desember tahun 2020. Berdasarkan hasil analisis dengan Rantai Markov bahwa jumlah rata-rata curah hujan di Kabupaten Muaro Jambi pada masing-masing state untuk setiap bulannya sebesar 237,9515625mm.

PELATIHAN PENULISAN ARTIKEL ILMIAH BAGI GURU Ali Idrus; Bradley Setiyadi; Robin Pratama; Sufri
BERNAS: Jurnal Pengabdian Kepada Masyarakat Vol. 3 No. 1 (2022)
Publisher : Universitas Majalengka

Sebagai seorang pendidik bagi generasi penerus bangsa, sudah selayaknya seorang guru memiliki kemampuan menulis sebuah artikel ilmiah sehingga para anak didik memiliki model untuk kehidupan akademik disekolah. Guru merupakan sumber daya yang dituntut untuk memiliki kemampuan yang lebih dari masyarakat biasa karena kapasitasnya yang lebih intens berinteraksi dengan ilmu pengetahuan. Hal tersebut sudah sepatutnya mampu mengaktualisasikan kompetensinya bukan sekedar kegiatan pengajaran, tetapi mampu untuk menulis hasil dan tantangan pengajaran tersebut dalam penelitian yang bisa dipublikasikan dalam media publikasi baik yang bertaraf nasional, regional, maupun internasional yang pada akhirnya dapat berkontribusi positif bagi permasalahan dalam dunia pendidikan. Pelatihan ini dipandang penting dalam rangka memberikan pengetahuan kepada para guru mengenai ruang lingkup pelatihan penulisan artikel ilmiah meliputi dasar-dasar penulisan karya tulis ilmiah, hal-hal yang perlu dan tidak perlu dilakukan dalam penulisan karya tulis ilmiah; penulisan artikel ilmiah dalam bahasa inggris yang baik dan benar, dan penyusunan dan perbaikan proposal artikel ilmiah oleh masing-masing peserta yang akan dikirim ke jurnal lokal atau nasional.

Development of Calculus Teaching Materials through Problem-Based Learning Model and Scientific Approach Sufri Sufri; Feri Tiona Pasaribu
Budapest International Research and Critics Institute (BIRCI-Journal): Humanities and Social Sciences Vol 5, No 1 (2022): Budapest International Research and Critics Institute February
Publisher : Budapest International Research and Critics University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/birci.v5i1.4054

This research is based on the relatively low literacy or problem solving ability and creative thinking level of students towards the teaching material for the "Calculus" course. In the mathematics education study program, calculus courses are prerequisites for many courses, including advanced calculus, real analysis, mathematical statistics, numerical methods, differential equations, initial values and boundary conditions, and complex number algebra. The purpose of this study is to improve the quality of learning seen from the aspect of the level of problem solving abilities, and students' creative thinking abilities, and to produce teaching materials for Calculus courses in the form of modules that meet the eligibility criteria, namely valid, practical and effective. From the aspect of the learning process the variables observed as indicators or benchmarks of research success are problem solving abilities, and students' creative thinking skills, while from the aspect of learning media the indicators of research success are the validity, practicality and effectiveness of the learning media used. The average value of the problem-solving ability of classically meticulous subjects in solving problems of Calculus learning material reaches 77.2 with a minimum completeness score of 80% (≥75%).

Implementation of ARIMA Method in Predicting Stock Price Fluctuations of PT Bank Central Asia Tbk: Penerapan Metode ARIMA Dalam Memprediksi Fluktuasi Harga Saham PT Bank Central Asia Tbk Suci Wulandari; Sufri Sufri; Sherli Yurinanda
Buana Matematika : Jurnal Ilmiah Matematika dan Pendidikan Matematika Vol 11 No 1 (2021)
Publisher : Universitas PGRI Adi Buana Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/buanamatematika.v11i1.3560

In stock trading activities, the share price always fluctuates, it is caused by the demand and supply of the shares. The condition of stocks that continue to experience fluctuations makes investors who want to invest in stocks need to pay attention and study in advance the past data of the company to be selected to know how the company's stock price fluctuations in the next period.This study aims to determine the model of ARIMA Box-Jenkins from the closing price of PT Bank Central Asia Tbk shares, then forecast the obtained model. The data used in this study is the data series of the closing price of PT Bank Central Asia Tbk's daily shares from October 1, 2020 to February 26, 2021. The forecasting method used is the ARIMA Box-Jenkins method. As a result of this study, the appropriate ARIMA Box-Jenkins model for the closing price of PT Bank Central Asia Tbk's shares is the ARIMA model (0,2,1). The predicted value of the model is that the closing price of PT Bank Central Asia Tbk shares has decreased. Pada aktivitas perdagangan saham, harga saham selalu mengalami fluktuasi, hal itu disebabkan oleh adanya permintaan dan penawaran atas saham tersebut. Kondisi saham yang terus mengalami fluktuasi membuat para investor yang ingin melakukan investasi saham perlu memperhatikan dan mempelajari terlebih dahulu data masa lalu dari perusahaan yang akan dipilih untuk mengetahui bagaimana fluktuasi harga saham perusahaan pada periode selanjutnya. Penelitian ini bertujuan untuk menentukan model ARIMA Box-Jenkins dari harga penutupan saham PT Bank Central Asia Tbk, kemudian melakukan peramalan dari model yang diperoleh. Data yang digunakan dalam penelitian ini adalah data deret waktu harga penutupan saham harian PT Bank Central Asia Tbk dari 1 Oktober 2020 sampai 26 Februari 2021. Metode peramalan yang digunakan adalah metode ARIMA Box-Jenkins. Hasil dari penelitian ini, model ARIMA Box-Jenkins yang sesuai untuk harga penutupan saham PT Bank Central Asia Tbk adalah model ARIMA (0,2,1). Nilai hasil prediksi dari model tersebut yaitu harga penutupan saham PT Bank Central Asia Tbk mengalami penurunan.

Title

Found 26 Documents
Search

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Title Search

Found 26 Documents Search

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Title

Found 26 Documents
Search