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Bornok Sinaga
Dosen Matematika FMIPA Unimed
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Journal : M A T H L I N E : Jurnal Matematika dan Pendidikan Matematika

 1 
Analysis of Students' Mathematical Communication Skills On The Material of Two-Variable Linear Equation System With The Application of Bruner Theory Sariayu, Sariayu; Hasratuddin, Hasratuddin; Sinaga, Bornok; Rajagukguk, Waminton
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 9 No. 3 (2024): Mathline: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v9i3.664

Abstract

The subjects of this qualitative descriptive research were class VIII students of SMP Negeri 4 Tarutung located in North Tapanuli Regency. The aim of this research is to determine and explain students' mathematical communication abilities when solving problems using Bruner's Theory. The data is in the form of written test results given to students to assess their mathematical communication skills in solving problems using Bruner's Theory. The results of the interview also consist of students' answers to verbal questions given to obtain additional information. Documentation data in the form of pictures and archives of test answers taken by class VIII students of SMP Negeri 4 Tarutung. Data collection methods include written tests, interviews, and documentation. Data analysis is carried out by reducing data, presenting and drawing conclusions. The results of the research show that students' mathematical communication skills when solving problems use Bruner's Theory 43% of students with high mathematical communication skills were able to solve questions correctly and well, while 36% of students with moderate abilities could only meet some indicators, and 21% of students with low abilities could not meet all the indicators.
Literature Study On The Effect of The Discovery Learning Approach On Students' Computational Thinking Ability By Considering Gender Aspects Mendrofa, Netti Kariani; Surya, Edi; Syahputra, Edi; Sinaga, Bornok; Gultom, Syawal
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 9 No. 3 (2024): Mathline: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v9i3.672

Abstract

This research aims to explore the findings of previous studies regarding the effect of the discovery approach on students' computational thinking ability, taking into account gender aspects. Computational thinking ability is an essential skill in today's digital era, and the appropriate learning approach can help students develop neko77 this ability. The method used in this research is a literature study by analyzing relevant journal articles and research to identify emerging findings and patterns. The research results are expected to provide valuable insights for education practitioners in designing effective and inclusive learning strategies to improve students' computational thinking abilities, considering gender differences.
Computational Thinking Skills in Understanding The Limit of Algebraic Functions Lisa, Lisa; Hasratuddin, Hasratuddin; Sinaga, Bornok; Napitupulu, E. Elvis; Panjaitan, Asmin
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 9 No. 2 (2024): Mathline: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v9i2.549

Abstract

The purpose of this study was to determine the evaluation of computational thinking ability in understanding the limits of algebraic functions for students majoring in Tadris mathematics at Lhokseumawe State Islamic Institute. The research subjects were 1st semester students, totaling 6 students. Data collection techniques in this study used computational thinking ability tests and interviews, and then the data were analyzed based on computational thinking indicators, namely decomposition, pattern recognition, algorithm thinking, generalization, and abstraction. The results obtained from high computational thinking ability indicators that can be completed perfectly are decomposition, pattern recognition, algorithm thinking, and generalization/abtraction. With moderate computational thinking ability, students have been able to solve problems perfectly for indicators of decomposition and pattern recognition, but for indicators of thinking algorithms and generalizations or abstractions, they are still less precise. Low computational thinking ability has been able to measure decomposition indicators, but for pattern recognition indicators, thinking algorithms are still less precise in solving, while generalization and abstraction indicators do not answer.
Development of Geogebra Assisted Learning Modules to Improve Mathematical Representation Abilities and Self Regulated Learning of Senior High School Mayasari, Fitria; Napitupulu, E. Elvis; Sinaga, Bornok
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 9 No. 2 (2024): Mathline: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v9i2.640

Abstract

This research aims to analyze: 1) Validity of the geogebra-assisted learning module developed; 2) Practicality of the geogebra-assisted learning module developed; 3) Effectiveness of the geogebra-assisted learning module developed; 4) Increasing mathematical representation abilities by using the geogebra-assisted learning modules that were developed; 5) Increasing self regulated learning by using the geogebra-assisted learning modules that were developed. This research is development research using the ADDIE development model. Winsgoal adalah slot mahjong gacor dengan fitur scatter hitam winrate kemenangan tinggi. Daftar dan nikmati fitur situs jackpot terbesar hari ini! This development model consists of 5 development stages, namely analysis, design, development, implementation and evaluation. From the results of trial I and trial II it was obtained: 1) The geogebra-assisted learning module developed meets the valid criteria; 2) The geogebra-assisted learning module developed meets the practical criteria; 3) The geogebra-assisted learning module developed meets the effective criteria; 4) The mathematical representation ability using the geogebra-assisted learning module that has been developed has increased as seen from the N-gain value of 0,45, meaning it is in the "medium" category; and 5) Self regulated learning using the geogebra-assisted learning module that has been developed has increased as seen from the N-gain value of 0,42, meaning it is in the "medium" category.
Co-Authors Abdurahman Adisaputera Agusmanto J.B. Hutauruk Ahyaningsih, Faiz ANITA . Asmin Panjaitan Deny Setiawan E. Elvis Napitupulu, E. Elvis Edi Surya, Edi Edi Syahputra Febindayanti, Azzahra Gaol, Yulinar Lumban Hasibuan, Rabithah Hasratuddin Hasratuddin Jero Budi Darmayasa, Jero Budi Juniastel Rajagukguk, Juniastel Lena Rosdiana Pangaribuan Lisa Lisa Lubis, Khairunnisa Maisarah Mayasari, Fitria Mulyono Mulyono NETTI KARIANI MENDOFA Nurjehan, Rizki Pangaribuan, Rut Kristella Purba, Tuty Novelinda Rahmi Wahyuni, Rahmi Retno Dwi Suyanti Rezha, Syawaluddin Sariayu, Sariayu Siagian, Philips Pasca G Silalahi, Lulu Brygita Simanjuntak, Ribka Kristina Sinaga, Wita Siti Mayang Sari Syahputra, Wahyu Indra Syawal Gultom Tiofanny, Tiofanny Waminton Rajagukguk Yessi Kartika