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Fraktal: Jurnal Matematika dan Pendidikan Matematika
Published by Universitas Nusa Cendana
ISSN : -     EISSN : 27760073     DOI : https://doi.org/10.35508/fractal.v2i2
Core Subject : Education,
Mathematics
Fraktal: Jurnal Matematika dan Pendidikan Matematika adalah jurnal ilmiah dalam bidang matematika dan pendidikan matematika yang dikelola dan diterbitkan oleh Program Studi Pendidikan Matematika, Fakultas Keguruan dan Ilmu Pendidikan (FKIP), Universitas Nusa Cendana, Kupang, NTT. Ruang lingkup jurnal ini adalah penelitian terapan matematika, statistika, penelitian pendidikan matematika yang meliputi pembelajaran matematika, eksplorasi matematika, pengembangan media pembelajaran, analisis hasil pembelajaran, etnomatematika, serta bidang-bidang yang bersesuaian dengan pengembangan pembelajaran matematika dari berbagai jenis penelitian seperti survei, penelitian dan pengembangan, penelitian eksperimen, penelitian tindakan kelas, penelitian kualitatif dll.
Arjuna Subject : Umum - Umum
Articles 62 Documents
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Peningkatan Hasil Belajar Matematika Siswa Dengan Menggunakan Media Blok Dienes Pada Materi Operasi Penjumlahan Bilangan Cacah Hermina Manek
Fraktal : Jurnal Matematika dan Pendidikan Matematika Vol 4 No 1 (2023): Mei 2023
Publisher : Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/fractal.v4i1.10368

Abstract

This study aimed to determine whether the use of Dienes Block as learning media could increase students' mathematics learning outcomes. This research is classroom action research (CAR) which was conducted in 2 cycles. The research was conducted at SDN Bokong 2, Takari District, Kupang Regency in the odd semester of the 2022/2023 school year. The research subjects were 26 students of third grade and a teacher. Data collection instruments in this study included observation sheets, tests, and documentation. The results showed that the use of Dienes Block can improve the mathematics learning outcomes of third grade students of SDN Bokong 2 on the material of the addition operation of whole numbers. It is indicated by the increase and achievement of the minimum criteria for teacher activity, students’ activity, and mathematics learning outcomes of third grade students of SDN Bokong 2 after being taught using dienes block media. The percentage of students who reached the minimum completeness criteria (70) in cycle 2 was 88.5% with a classical average of 84.3. These results improved compared to the learning outcomes of cycle 1 where the percentage of students who reached the minimum completeness criteria was only 38% with a classical average of 69.2.
Indeks Harary Pada Graf Koprima Pada Grup Bilangan Bulat Modulo Berorde Pangkat Prima Udayana Devandra
Fraktal : Jurnal Matematika dan Pendidikan Matematika Vol 4 No 1 (2023): Mei 2023
Publisher : Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/fractal.v4i1.10520

Abstract

The coprime graph in modulo integer groups has many important applications in discrete mathematics and cryptography. The Harary index of the coprime graph is very useful in many mathematical and computer science applications, especially in computing algebraic properties, topology, and graph structure. In this article, the Harary index of the coprime graph for modulo integer groups with a prime power order was obtained, which is the square of the sum of the group members minus one.

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