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All Journal Jurnal Ilmiah Pendidikan Matematika Al Qalasadi ICONESTH
Ariyani Muljo
IAIN Langsa
Arts Humanities Computer Science & IT Dentistry Mathematics Neuroscience Nursing Public Health Social Sciences Other

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Pengembangan E-Modul Persamaan Lingkaran Kelas XI MA dengan Menggunakan Aplikasi Heyzine Ariyani Muljo; Fenny Anggreni; Sari Maulida
Jurnal Ilmiah Pendidikan Matematika Al Qalasadi Vol 8 No 1 (2024): JURNAL ILMIAH PENDIDIKAN MATEMATIKA AL QALASADI
Publisher : Prodi Pendidikan Matematika, Fakultas Tarbiyah dan Ilmu Keguruan IAIN Langsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32505/qalasadi.v8i1.8368

Abstract

Abstract This research aims to determine the validity, practicality, and effectiveness of using the Heyzine application in teaching circular equations to 11th-grade students in senior high school. The research method employed the Four-D (Define, Design, Develop, Disseminate) development model developed by S. Thiagarajan, Dorothy Semmel, and Melvyn I. Semmel. Data collection involved documentation and questionnaires, while data analysis used a descriptive qualitative approach. The results showed that the e-module for mathematics instruction was deemed highly valid by experts and practitioners. The validity percentages of the e-module were as follows: 82.5% for subject matter experts with the criteria "very valid," 89% for media experts with the criteria "very valid," 85% for language experts with the criteria "very valid," and 82.75% for practitioners with the criteria "very valid." Thus, the overall validity averaged 84.81% with the criteria "very valid." The mathematics e-module on circular equations was also evaluated to meet usability aspects. Student responses to the e-module's usability across 13 assessment aspects averaged 87.53%, indicating that the e-module fulfilled usability requirements in practice. The use of the Heyzine application in teaching circular equations was proven effective, as there was an increase in student learning interest after using the module. The increase in student interest in learning mathematics reached 37.679%. Therefore, this e-module can be considered an effective alternative for improving the teaching of circular equations to 11th-grade students in senior high school. Keywords: E-Module, Heyzine
IDENTIFYING THE CRITICAL FACTORS OF STUDENTS’ DIFFICULTY UNDERSTANDING THE CONCEPT OF LOGARITHMS Ariyani Muljo; Budi Irwansyah; Wanda Darmawan; Juhendrifansyah; Ira Keumalasari
International Conference on Education, Science, Technology and Health (ICONESTH) 2023: ICONESTH
Publisher : International Conference on Education, Science, Technology and Health (ICONESTH)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46244/iconesth.vi.272

Abstract

Logarithms are one of the mathematics lesson materials in the algebra aspect which provide many benefits in everyday life. Despite the many benefits associated with logarithms, most students think that logarithms are something difficult and not worth learning. This research aims to determine important factors in students' difficulties in understanding the concept of logarithms. The samples were 99 class X students from three public high schools in Aceh Tamiang Regency. Data was obtained using a logarithm material diagnostic test instrument based on aspects of logarithms as an object, process, function, and contextual problems. From these four aspects, we identified 17 variables that caused students difficulty in understanding the concept of logarithms. The research results show that there are five main factors that cause students difficulties in understanding the concept of logarithms. These factors are: (a) connecting square roots with logarithms, (b) connecting logarithmic and exponential functions as inverses, (c) rules of logarithmic notation, (d) logarithmic graphs, and (e) simplifying logarithmic expressions
Co-Authors Budi Irwansyah Fenny Anggreni Ira Keumalasari Juhendrifansyah Sari Maulida Wanda Darmawan