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All Journal PROSIDING SEMINAR NASIONAL AdMathEdu : Jurnal Ilmiah Pendidikan Matematika, Ilmu Matematika dan Matematika Terapan JURNAL DERIVAT: JURNAL MATEMATIKA DAN PENDIDIKAN MATEMATIKA JISI UMJ (Jurnal Integrasi Sistem Industri UMJ) SIGMA: Jurnal Pendidikan Matematika AdMathEduSt: Jurnal Ilmiah Mahasiswa Pendidikan Matematika JIPMat (Jurnal Ilmiah Pendidikan Matematika) E-Dimas: Jurnal Pengabdian kepada Masyarakat Union: Jurnal Ilmiah Pendidikan Matematika Journal of Honai Math Jurnal Tadris Matematika Jurnal Pemberdayaan: Publikasi Hasil Pengabdian Kepada Masyarakat SIGMA ANARGYA: Jurnal Ilmiah Pendidikan Matematika JURNAL PENDIDIKAN MIPA Jurnal Berdaya Mandiri JUPIKA: JURNAL PENDIDIKAN MATEMATIKA LINEAR: Journal of Mathematics Education Circle: Jurnal Pendidikan Matematika Jurnal Tadris Matematika Jurnal Kemitraan, Kewirausahaan dan Pengabdian Masyarakat
Sumargiyani Sumargiyani
Universitas Ahmad Dahlan
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Analisis Kesalahan Kastolan: Studi pada Materi Turunan Fungsi Trigonometri, Implisit, dan Eksponensial Sumargiyani Sumargiyani
JURNAL PENDIDIKAN MIPA Vol. 16 No. 2 (2026): JURNAL PENDIDIKAN MIPA
Publisher : Pusat Publikasi Ilmiah, STKIP Taman Siswa Bima

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37630/jpm.v16i2.4149

Abstract

Kegagalan mahasiswa dalam menyelesaikan masalah kalkulus diferensial sering kali bukan hanya disebabkan oleh kesalahan prosedural, tetapi disebabkan oleh pemahaman konsep yang belum mendalam. Penelitian ini bertujuan untuk mendeskripsikan kesalahan mahasiswa dalam menyelesaikan soal kalkulus pada materi turunan fungsi trigonometri, turunan fungsi implisit, dan turunan fungsi eksponensial. Penelitian ini menggunakan pendekatan deskriptif kualitatif dan kuantitatif dengan subjek 21 mahasiswa Program Studi Pendidikan Matematika Universitas Ahmad Dahlan tahun akademik 2025/2026. Data dikumpulkan melalui dokumentasi hasil pekerjaan mahasiswa pada Ujian Akhir Semester (UAS) yang kemudian dianalisis menggunakan tahapan Kastolan yang meliputi kesalahan konseptual, kesalahan prosedural, dan kesalahan teknik. Hasil penelitian menunjukkan bahwa secara akumulatif, kesalahan prosedural menjadi kendala utama (66,7%), disusul oleh kesalahan konseptual (58,7%), dan kesalahan teknik (42,9%). Faktor penyebab kesalahan meliputi ketidakmampuan mahasiswa dalam menghafal rumus turunan, kurangnya penguasaan aturan rantai dan aturan perkalian, serta ketidaktelitian dalam manipulasi aljabar dan penulisan notasi matematika. Temuan ini diharapkan dapat berkontribusi dalam pengembangan strategi pembelajaran yang lebih efektif untuk membantu mahasiswa menguasai materi kalkulus diferensial.
Pengembangan e-LKM Terintegrasi Literasi Numerasi untuk Meningkatkan Berpikir Kritis pada Materi Analisis Vektor Nur Robiah Nofikusumawati Peni; Sumargiyani Sumargiyani; Puguh Wahyu Prasetyo
Jurnal Tadris Matematika Vol. 6 No. 1 (2023)
Publisher : Universitas Islam Negeri Sayyid Ali Rahmatullah Tulungagung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21274/jtm.2023.6.1.115-128

Abstract

Students' low reading interest greatly affects learning outcomes in Vector Analysis class. This is due to the rare interaction between students and learning resources in class. To increase student activity in reading and understanding the concept of vector analysis material, an e-LKM product is needed. This study aims to develop Student Worksheets (LKM) in electronic form that is integrated with numeracy literacy which can be used for learning vector analysis courses by knowing the validity and practicality of procedures so that the use of these e-LKM can improve students' critical thinking. This development research uses the ADDIE model (Analysis, Design, Development, Implementation, and Evaluation). Furthermore, the evaluation stage is carried out at each stage to improve the e-LKM that is made. The subjects were 21 students in semester VI of class C Mathematics Education FKIP Universitas Ahmad Dahlan. The research data was obtained by collecting questionnaires from material experts, media, and students' responses to the practicality of the media being developed. From the results of the questionnaires distributed, the average questionnaire from the two material experts and media experts showed excellent criteria with a mean score of 4.611 and 4.47 respectively. The results of student responses to product use show excellent criteria with a mean score of 4.27. Based on these results, the e-LKM that is used is proven to be valid and practical.
Co-Authors Acbarrifha Nour, Azty Aini, Noor Aini, Noor Ainun Krisna Devi Ani Apriani, Ani Ardi Dwi Susandi Astuti, Reni Dwi Azty Acbarrifha Nour Bidayatun Nafi'ah Destia Wahyuningtyas Dwi Atmi Yuliarni Eka - Aprianti Hamzah, Romelan Hutami, Aqila Fitri Hanindhita Iwan Iwan Tri Riyadi Yanto Iwan Tri Riyadi Yanto, Iwan Tri Riyadi Miftahul Jannah Nur Isnaeni Muhammad Asrori Ainurrahman Muhammad Asrori Ainurrahman Muhammad Yusuf Munawarrahman Munawarrahman Nur Anisa Fatonah Nur Robiah Nofikusumawati Peni Nurrahmat Wahid Jamaluddien Prasetyani, Ika Prasetyani, Ika Prista Devi Widyaningtyas Puguh Wahyu Prasetyo, Puguh Riyadiyanto, Iwan Tri Romelan Hamzah Rusmining, Rusmining Samah Gamal Ahmed Elbehary Shafwa Maitsa Adzra Tsani Shafwa Maitsa Adzra Tsani Tsani, Shafwa Uswatun Hasanah Wandhansari Sekar Jatiningrum Widayati, Sri