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Teorema Terkait Teknik Perhitungan Integral Garis Lebesgue-Hausdorff atas Kurva Sederhana Ahmad Lazwardi; Rahmatya Nurmeidina
Limits: Journal of Mathematics and Its Applications Vol. 17 No. 2 (2020): Limits: Journal of Mathematics and Its Applications Volume 17 Nomor 2 Edisi De
Publisher : Pusat Publikasi Ilmiah LPPM Institut Teknologi Sepuluh Nopember

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Abstract

Penelitian ini bertujuan untuk menemukan beberapa teorema penting untuk teknik integrasi dari integral garis Lebesgue-Hausdorff yang merupakan generalisasi dari integral garis biasa. Hasil dari penelitian ini adalah beberapa teorema yang bersifat teknis yang bisa diaplikasikan dalam menentukan nilai integral garis Lebesgue-Hausdorff dari beberapa fungsi.
Pengembangan LKPD Kurikulum Merdeka Berbasis Pendekatan Kontekstual pada Materi Perbandingan Fitriah; Soraya Djamilah; Rahmatya Nurmeidina
ARITMATIKA: Jurnal Riset Pendidikan Matematika Vol. 5 No. 2 (2024): ARITMATIKA : Jurnal Riset Pendidikan Matematika
Publisher : Program Studi Tadris Matematika FTIK UIN Kiai Haji Achmad Siddiq Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35719/aritmatika.v5i2.304

Abstract

Tujuan penelitian pengembangan ini untuk menguraikan proses pengembangan, validitas, serta kepraktisan dari lembar kerja peserta didik (LKPD) Kurikulum Merdeka yang mengadopsi pendekatan kontekstual terkait materi perbandingan. Metode yang diterapkan ialah penelitian pengembangan (R&D) dengan menggunakan model Plomp. Model Plomp meliputi beberapa fase, yaitu fase investigasi awal, fase desain, fase realisasi/konstruksi, dan fase tes, evaluasi, dan revisi. Instrumen penelitian menggunakan lembar validasi serta lembar kepraktisan. Validitas dinilai oleh tiga orang validator yang meliputi seorang dosen pendidikan matematika sebagai ahli materi, seorang guru matematika sebagai ahli media, dan seorang guru matematika sebagai ahli kurikulum. Kepraktisan dinilai oleh 28 peserta didik dan seorang guru yang mengajar materi perbandingan ini. LKPD Kurikulum Merdeka mencapai skor validitas rata-rata 92,32% yang dikategorikan “sangat valid”. Sedangkan tingkat kepraktisan LKPD Kurikulum Merdeka mencapai rata-rata skor 89,68% yang tergolong “sangat praktis”. Temuan penelitian ini menghasilkan bahwa LKPD Kurikulum Merdeka berbasis pendekatan kontekstual pada materi perbandingan telah memenuhi standar validitas serta kepraktisan.
Development of learning comic with Banjar culture on two variable linear equations system Yun ita; Rahmatya Nurmeidina; Soraya Djamilah
Hipotenusa Journal of Research Mathematics Education (HJRME) Vol 9, No 2 (2026): Hipotenusa Journal of Research Mathematics Education (HJRME)
Publisher : Universitas Muhammadiyah Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36269/hjrme.v9i2.5537

Abstract

Students experience difficulties in translating information presented in problem-solving tasks into appropriate mathematical models. Therefore, learning media are needed to help students solve problem-solving tasks more easily and contextually. This study aims to describe the development process, validity, and practicality of a Banjar Culture-based learning comic on the topic of a system of linear equations in two variables (SLETV). This study employed the Research and Development (R&D) method using the ADDIE model, which consists of five stages Analysis, Design, Development, Implementation, and Evaluation. The research instruments consisted of validation and practicality sheets. The validation sheet was assessed by three validators, consisting of a lecturer experienced in developing mathematics learning comics, a mathematics teacher who teaches eighth-grade students, and a lecturer experienced in Banjar Culture-based research. The practicality sheet was completed by 22 students and one mathematics teacher. The data were analyzed using descriptive qualitative and descriptive quantitative techniques. The qualitative data were analyzed based on the comments and suggestions provided by the validators as a basis for product revision, while the quantitative data were analyzed using percentage scores to determine the levels of validity and practicality. The results showed that the comic obtained a validity score of 89.52%, categorized as very valid, and a practicality score of 94.45%, categorized as very practical. Therefore, the Banjar Culture-based learning comic was considered valid and practical and can be used in the learning process as well as for independent learning.