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All Journal Wahana Matematika dan Sains AdMathEdu : Jurnal Ilmiah Pendidikan Matematika, Ilmu Matematika dan Matematika Terapan Kreano, Jurnal Matematika Kreatif-Inovatif At-Taqaddum Jurnal Fourier Jurnal Terapan Abdimas AdMathEduSt: Jurnal Ilmiah Mahasiswa Pendidikan Matematika HISTOGRAM: Jurnal Pendidikan Matematika AKSIOLOGIYA : Jurnal Pengabdian Kepada Masyarakat Delta: Jurnal Ilmiah Pendidikan Matematika Jurnal Ilmiah Matematika dan Pendidikan Matematika (JMP) Community Empowerment Borneo Educational Journal (Borju) Sinar Sang Surya: Jurnal Pusat Pengabdian kepada Masyarakat Kognitif: Jurnal Riset HOTS Pendidikan Matematika International Journal of Progressive Mathematics Education International Journal on Education Insight Jurnal Tadris Matematika (JTMT)
Soffi Widyanesti Priwantoro, Soffi Widyanesti
Universitas Ahmad Dahlan
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Environmental Science Languange, Linguistic, Communication & Media Library & Information Science Mathematics Physics Public Health Social Sciences Other

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Common errors analysis in solving problems of fractional number reviewed from Newman's theory Priwantoro, Soffi Widyanesti; Monica, Vina; Fauzia, Nabila Atika; Larasati, Larasati
International Journal on Education Insight Vol. 4 No. 2 (2023)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/ijei.v4i2.10291

Abstract

This research aims to describe common mistakes made by students in calculating fractional numbers, especially in comparing fractional numbers. For this reason, an analysis of the mistakes made by students is required. The subjects in this research were three students of SMP Muhammadiyah 1 Godean who were taken after fulfilling the requirements for selecting research subjects. Test and observation methods are the methods for collecting data. The data analysis technique used in this research is Newman's theory, of which there are 5 stages, namely: (1) reading stage, (2) understanding stage, (3) transformation stage, (4) process skills stage, and (5) Answer Writing Stage. This research shows that the errors made by students in general are: (1) Errors in reading and understanding questions, (2) Errors in reading mathematical comparison symbols, (3) Errors in changing the form of images presented to fractional numbers, and (4) Errors in calculating the LCM value between two denominators.
Karakteristik Butir Soal Tes Logika Matematika Dan Himpunan Ditinjau Dari Teori Tes Klasik Fahmi, Syariful; Priwantoro, Soffi Widyanesti; Prabowo, Anggit
Delta: Jurnal Ilmiah Pendidikan Matematika Vol. 13 No. 1 (2025): DELTA : JURNAL ILMIAH PENDIDIKAN MATEMATIKA
Publisher : Universitas Pekalongan

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Abstract

This study aims to analyze the formative test items for the Mathematical Logic and Sets course in the Digital Innovation Program of the Mathematics Education Study Program, FKIP UAD in terms of classical test theory. This research is descriptive research. The analysis was carried out on 20 multiple choice test items which were tested on 51 students. The analysis was carried out on the difficulty and discrimination index and reliability with the help of the ITEMAN (Item and Test Analysis) package program. The results of the analysis of the difficulty index showed that of the 20 items, there were 6 items that were difficult and 14 items that were moderate. In terms of discrimination, 18 items had good discrimination index and only 2 items had poor discrimination index. One of the causes of low discrimination index is caused by items that are too difficult. From these results, further revisions were made to the items that did not meet the good criteria. Reliability estimation using the Cronbach Alpha formula shows that the measurement results obtained through this test are reliable.
Two-Variables Linear System: A Smartphone-Based-E-Module with a Realistic Mathematic Education Approach Fahmi, Syariful; Rahmawati, Rafika Yuni; Priwantoro, Soffi Widyanesti
Kreano, Jurnal Matematika Kreatif-Inovatif Vol 13, No 1 (2022): Kreano, Jurnal Matematika Kreatif-Inovatif
Publisher : Mathematics Dept, Math. and Science Faculty, Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/kreano.v13i1.31661

Abstract

An innovative teaching material such as e-module were needed to assist students understanding the concept of mathematics. In this Research is develop an e-module using Realistic Mathematics Education approach in Linear Equation System Two Variables. Research method is using ADDIE model which consist of five stages, namely Analysis, Design, Development, Implementation, and Evaluation. The validators of this research were content and media experts, while the research subjects were students of 7th grades in Pleret Bantul Junior High School. The instruments used in data collection were interview and questionnaire. By the calculation results, the e-module was considered feasible by contents and media experts. From the validation of content expert get average of 3.56 with very good criteria, while from the media expert get 3.65 with very good criteria. The e-module was considered practical according to the students’ responses. In terms of practicality, average score of small class trial was 3.17 with good criteria, while average score of large class trial was 3.22 with good criteria. So, the average score based on content and media experts also student class trials get 3.40 with very good criteria. Therefore, smartphone-based e-module with realistic mathematics education approach on linear equation system with two variables material was feasible to use.Penelitian ini bertujuan untuk mengembangkan e-modul dengan berbasis Realistic Mathematics Education (RME) pada Sistem Persamaan Linier Dua Variabel. Metode penelitian yang digunakan adalah model ADDIE yang terdiri dari lima tahap, yaitu Analysis, Design, Development, Implementation, dan Evaluation. Validator penelitian ini yaitu ahli materi dan media serta subjek penelitian adalah peserta didik kelas VIII SMP Negeri 1 Pleret Bantul. Instrumen yang digunakan dalam pengumpulan data penelitian berupa wawancara dan angket. Berdasarkan hasil perhitungan, e-modul termasuk layak oleh ahli materi dan ahli media. Dari validasi ahli materi dan media mendapatkan kategori yang sama yaitu sangat baik dengan nilai rata-rata 3,56 dan 3,65. Berdasarkan uji kepada peserta didik e-modul termasuk praktis dengan kriteria baik pada uji coba kelas kecil dan besar dengan nilai 3,17 dan 3,22. Berdasarkan dari rata-rata gabungan ahli materi dan media serta uji coba peserta didik mencapai rata-rata skor 3,40 dengan kriteria sangat baik. Kesimpulannya e-modul berbasis smartphone dengan pendekatan Realistic Mathematics Education pada materi sistem persamaan linear dua variabel layak digunakan.
Co-Authors Agustin, Felanda Neshi Anggit Prabowo, Anggit Ariesta Y., Dian Arilia Triyoga Astuti, Dwi Bueraheng, Surairee Burhan Arif Burhan Arif Citra Permata Sari Denik Wirawati, Denik Dwi Astuti Fahmi, Syariful Fauzia, Nabila Atika Joko Purwadi Larasati Larasati Monica, Vina Nur Hidayah Nur Hidayati, Ratri Nur Muallifah, Azizah Rahmawati, Rafika Yuni rasyida faiz Rianto Rianto Rima Aksen Cahdriyana Rima Aksen Cahdriyana Safira, Fatimah Gita Sri Wahyuni Syariful Fahmi Syariful Fahmi Syariful Fahmi Syariful Fahmi, Syariful Triyoga, Arilia Uluwatuz Zulfa Wahyuni, Sri Widayati Widayati Wirawati, Denik