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Karyenti Merintan Sani Lahagu
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Mathematics

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ANALYSIS OF THE IMPLEMENTATION OF DIFFERENTIATED INSTRUCTION IN MATHEMATICS LEARNING AT SDN 104186 TANJUNG SELAMAT Jamilah Rambe; Ayu Risnawati; Laura Febriyanti Tambunan; Sezi Oktavia Simarmata; Karyenti Merintan Sani Lahagu; Firman Pangaribuan; Hardi Tambunan
Afore : Jurnal Pendidikan Matematika Vol 4 No 1 (2025): AFORE : Jurnal Pendidikan Matematika
Publisher : Universitas Nias Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57094/afore.v4i1.2556

Abstract

The purpose of this study is to describe the implementation process of differentiated instruction and the factors that affect the implementation of Mathematics learning using differentiated instruction in the 4th grade. This qualitative research uses descriptive data such as written texts, statements, and behaviors observed in the teaching and learning process. The study was conducted in the odd semester of 2024 at SDN 104186 Tanjung Selamat. The research informants were the teacher and the 4th-grade students. The differentiated instruction in Mathematics implemented in the 4th grade at SDN 104186 Tanjung Selamat had a positive impact on content, process, and product differentiation. Furthermore, the factors influencing the successful implementation of differentiated instruction in 4th-grade Mathematics included effective teaching strategies and active student involvement.
EKSPLORASI FARITIA TERHADAP LINGKARAN Karyenti Merintan Sani Lahagu; Hardi Tambunan; Ruth Mayasari Simanjuntak
Afore : Jurnal Pendidikan Matematika Vol 4 No 1 (2025): AFORE : Jurnal Pendidikan Matematika
Publisher : Universitas Nias Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57094/afore.v4i1.3202

Abstract

This study aims to explore the relationship between the traditional musical instrument Faritia from Nias and the concept of the circle in terms of its visual form, rhythmic structure, and social symbolic meaning. Faritia is a metal idiophone shaped like a circle, commonly used in traditional ceremonies such as Mamozi Aramba. The research approach is a literature review, collecting and analyzing various sources on organology theory, Euclidean rhythm, and ethnomusicological studies. The findings indicate that the physical form of Faritia reflects principles of acoustic resonance and symbolic values commonly found in traditional cultures: balance, wholeness, and continuity. The rhythmic patterns produced by Faritia show a tendency towards cyclical beat distribution similar to the concept of Euclidean rhythms. Moreover, in social practice, Faritia is played within circular formations that reinforce collective meaning and community unity. Thus, Faritia functions not only as a traditional musical instrument but also as a multidimensional cultural symbol representing the circle in the physical, musical, and social structures of Nias society.
Co-Authors Ayu Risnawati Firman Pangaribuan Hardi Tambunan Jamilah Rambe Laura Febriyanti Tambunan Ruth Mayasari Simanjuntak Sezi Oktavia Simarmata