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Edumatica: Jurnal Pendidikan Matematika

edumatica
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Published by Universitas Jambi

ISSN : 20882157 EISSN : 25800779 DOI : -

Core Subject : Education,

Mathematics

Edumatica Journal is a journal on mathematics education. The Journal publishes articles of research in mathematics education including teaching and learning, instruction, curriculum development, learning environments, teacher education, educational technology, educational developments, from many kinds of research such as survey, research and development, experimental research, classroom action research, etc.

Arjuna Subject : Matematika - Matematika (Lain-Lain)

Articles 305 Documents

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Bahan Ajar Matematika Kontekstual: Flipbook, Liveworksheet, Youtube Ikashaum, Fertilia; Sulastri, Wahyuni; Azizah, Isnaini Nur
Edumatica : Jurnal Pendidikan Matematika Vol 12 No 1 (2022): Edumatica: Jurnal Pendidikan Matematika
Publisher : Department of Mathematics Education, Faculty of Teacher Training and Education, Universitas Jambi

This study aims to produce interactive digital teaching materials. The teaching materials are in the form of flipbooks that are integrated with live worksheet and youtube applications and are presented online to students via links. This research is motivated by the lack of teaching materials that are suitable for learning in the pandemic period and the lack of learning activities that involve students to actively participate in finding mathematical concepts. Many teachers do not have teaching materials because they follow the learning system from home. As a result, students also do not have a guide to study the material independently so that teachers and students alike have difficulty in carrying out the learning process. Therefore, to help students understand the material with a series of daily activities that can be done at home, students are given teaching materials that can be accessed independently. This research is a design research with the type of development study. The subjects of this study were seventh grade students of SMPT IT Ar Raihan Bandarlampung. The results showed that the teaching materials developed had met the valid criteria based on the validator's assessment and showed a potential effect as seen from the percentage of student learning completeness which was more than 70%.

Pengaruh Pembelajaran Berbasis Masalah terhadap Disposisi Matematis dan Kemampuan Pemecahan Masalah Siswa Gozali, Imam; Syamsuri, Syamsuri; Nindiasari, Hepsi; Fatah, Abdul
Edumatica : Jurnal Pendidikan Matematika Vol 12 No 2 (2022): Edumatica: Jurnal Pendidikan Matematika
Publisher : Department of Mathematics Education, Faculty of Teacher Training and Education, Universitas Jambi

Problem based learning on the mathematical disposition and problem solving abilities of students is the ability to think and mathematical attitudes that must be possessed by students. Through the application of problem-based learning, it is hoped that it can improve the problem solving ability of students' mathematical dispositions. This study was conducted to determine the effect of problem-based learning on problem-solving abilities on students' mathematical dispositions. The research design used is a quasi-experimental design, namely the pretest-posttest control group design with a population of all students of class X SMK Az-zahra in the academic year 2021/2022. Through purposive random sampling technique, the TKJ 3 class was obtained as the experimental class (n = 36) and the TKJ 2 class as the control class (n = 36). Collecting data using a test of problem solving ability and mathematical disposition. Data analysis was carried out descriptively and inferentially (Î± = 0.05). Based on data analysis, it is known that the increase in problem solving abilities of students who receiving problem..based learning is higher than students who receive conventional learning. The increase in the mathematical disposition of students who received problem-based learning was higher than students who received conventional..learning. so the conclusion is problem-based learning can improve problem-solving skills on students' mathematical dispositions.

Pengembangan LKS Berbasis Etnomatematika untuk Memfasilitasi Kemampuan Representasi Matematis Astuti, Novita; Jana, Padrul; Marsiyam, Marsiyam
Edumatica : Jurnal Pendidikan Matematika Vol 12 No 2 (2022): Edumatica: Jurnal Pendidikan Matematika
Publisher : Department of Mathematics Education, Faculty of Teacher Training and Education, Universitas Jambi

The mathematical representation ability of junior high school (SMP) students is still not optimal. This study aims to develop student activity sheets (LKS) with valid, practical and effective criteria based on ethnomathematics which can specifically facilitate students' mathematical representation abilities. The worksheets were developed in order to facilitate students' mathematical representation skills through pictures and symbols. This study uses research and development (R&D) methods by applying the ADDIE model, namely: analysis (analysis), design (design), development (development), implementation (implementation), and evaluation (evaluation). The LKS was tested on 32 grade 7B students of SMP N 1 Mlati for the 2020/2021 academic year. The instruments used were interview guide sheets, material expert and media expert assessment questionnaires, student and teacher response questionnaires, learning implementation observation sheets, and mathematical representation ability test questions. Based on the results of the study, it was obtained: (1) LKS was declared "valid" with an average expert score of 81.03% with very good criteria. (2) LKS is declared "practical" with the average score of the questionnaire response of educators and students to LKS is 4.2 with good criteria, and the results of observations of learning implementation obtained an average score percentage of 92.33% with very good criteria. (3) LKS is declared "effective" with the percentage of the average score of the mathematical representation ability test, which is 76.92% with good criteria. The LKS compiled meet the criteria of being valid, practical, and effective so that they can be used in learning.

Analisis Kesalahan Siswa dalam Menyelesaikan Soal Cerita Berdasarkan Tahapan Newman dan Upaya Pemberian Scaffolding Upu, Angreny; Taneo, Prida N. L.; Daniel, Farida
Edumatica : Jurnal Pendidikan Matematika Vol 12 No 1 (2022): Edumatica: Jurnal Pendidikan Matematika
Publisher : Department of Mathematics Education, Faculty of Teacher Training and Education, Universitas Jambi

This study aims to analyze student errors in solving story problems based on Newman's stages and provide scaffolding to minimize errors made by students. The subjects in this study were 19 students of class VIII4 SMPN 1 Mollo Utara. The method used in this research is descriptive qualitative. Data collection techniques using observation, tests and interviews. The data analysis technique is by the Miles and Huberman model where the validity of the data is tested by technical triangulation. The results showed that the errors made by students in solving story problems based on Newman's stages were misunderstandings, transformation errors, process skills errors and notation errors which were respectively 47,37%; 5,7%; 26,31% and 21,05% of students. A form of error that students did not make at all was a reading error. The scaffolding strategy applied by the teacher to the students to overcome these errors is the strategy of explaining and reviewing the types of errors in understanding, transformation and notation as well as the strategy of explaining, reviewing, and restructuring on the types of errors in process skills. Providing scaffolding in the form of teacher assistance that is explaining, reviewing and restructuring in response to student errors can encourage most students to no longer make mistakes while some students are still wrong when solving problems after being given scaffolding but the error rate is lower than before.

Pengembangan Perangkat Pembelajaran Berbasis Model Learning Cycle 5E untuk Memfasilitasi Perubahan Konseptual Siswa dalam Pembelajaran Matematika Gradini, Ega; Susanti, Susanti
Edumatica : Jurnal Pendidikan Matematika Vol 12 No 2 (2022): Edumatica: Jurnal Pendidikan Matematika
Publisher : Department of Mathematics Education, Faculty of Teacher Training and Education, Universitas Jambi

This article describes the results of developing Learning Cycle 5E teaching tools that are valid, practical, and effective to facilitate students' conceptual changes in Statistics and Data Presentation material. The Four-D model was used to develop this research. The quality of the product is measured through the validity, practicality, and effectiveness of teaching tools. The device's validity is measured by its relevance and consistency using expert judgment. The device's practicality was measured using a practicality assessment questionnaire, distributed to 5 Mathematics teachers and 20 eighth-grader. Effectiveness was measured through a small group trial involving 1 Mathematics teacher and 28 eighth-grader students. The results showed that the teaching tools developed met the validity, practicality, and effectiveness criteria. Learning tools are declared valid, with the validity score for lesson plans being 0.89, student worksheets being 0.86, teacher book being 0.78, and student book being 0.80. Learning tools are declared practical with a practicality score where the teacher's response is 80.31% in the practical category, and the student's response is 79.19% in the practical category. Furthermore, teaching tools were declared effective with the criteria; the classical average of student learning outcomes reached 83.71, the Learning Completeness Criteria reached 82.14%, the level of teacher learning management was at a Good level, and student activity reached 72.5%.

Analisis Kesalahan Siswa dalam Menyelesaikan Soal Sharing Task dan Jumping Task Berdasarkan Kriteria Watson Murtikusuma, Randi Pratama; Hobri, Hobri; Pratiwi, Cikal Citra
Edumatica : Jurnal Pendidikan Matematika Vol 12 No 2 (2022): Edumatica: Jurnal Pendidikan Matematika
Publisher : Department of Mathematics Education, Faculty of Teacher Training and Education, Universitas Jambi

The purpose of this research is to know and identify student's errors in solving problems of sharing task and jumping task on social arithmetic material based on Watson's criteria in terms of DISC personality type. The research is descriptive qualitative. Data collection is obtained from sharing task, jumping task, test DISC personality type, and interview. Subject in this research are class VIIIF Junior High School 4 Jember which consisted of 12 students with details of 12 students to work on sharing task and 8 students to work on jumping task. Based on the result of this research is dominance, influence, steadiness, and compliance personality types all make mistakes, namely Innapropriate Procedure/IP, Response Level Conflict/RLC and Skill Hierarchy Problems/SHP. Then for Undirected Manipulation/UM, the personality types are dominance, influence, and steadiness. Influence, steadiness, and compliance personality types also perform Innapropriate Data/ ID and Above Other/ AO errors. Finally, the steadiness personality type makes mistakes, namely Omitted Data / OD.

DGMATH: Media Digital Matematika Berbasis Android untuk Siswa Sekolah Dasar Materi Operasi Bilangan Menggunakan Metode RnD Yuniarti, Dwi Ariani; Intyanto, Gramandha Wega; Pawening, Ari Setyani
Edumatica : Jurnal Pendidikan Matematika Vol 12 No 1 (2022): Edumatica: Jurnal Pendidikan Matematika
Publisher : Department of Mathematics Education, Faculty of Teacher Training and Education, Universitas Jambi

Learning mathematics during the COVID-19 pandemic encountered many obstacles, especially at the elementary school level. The application of learning at home makes elementary school students less guided so that the delivery of material is not optimal. Rapid technological developments can facilitate the implementation of mathematics learning for elementary school students, namely the use of interactive digital media in learning mathematics. This study aims to design an application that can be used as a medium for learning mathematics, especially the material for number operations, this application is named DGMATH. The method used is the Research and Development (RnD) method with a 4D model (Define, Design, Development and Disseminate). The instrument used is a usability test, namely the usability heuristic model and the System Usability Scale. The usability heuristic model with five (5) usability indicators, namely learnability, memorability, efficiency, errors and satisfaction were addressed to four (4) experts. The results obtained are that four indicators are included in very good criteria, namely 4.5 for the learnability and satisfaction indicators, 4.125 for the memorability and efficiency indicators, while 3.5 for the errors indicator which is included in the good criteria. The System Usability Scale model is addressed to 30 students who are end users of the DGMATH application with a score of 77.3 which is included in the acceptable criteria.

Pengembangan Modul Digital Berbasis STEM untuk Mengembangkan Kemampuan Pemecahan Masalah Pixyoriza, Pixyoriza; Nurhanurawati, Nurhanurawati; Rosidin, Undang
Edumatica : Jurnal Pendidikan Matematika Vol 12 No 1 (2022): Edumatica: Jurnal Pendidikan Matematika
Publisher : Department of Mathematics Education, Faculty of Teacher Training and Education, Universitas Jambi

Problem solving is one of the most important skills for students. One way to develop students' problem-solving skills is to use a digital module designed to develop problem-solving skills, namely a STEM-based digital module that is oriented towards problem-solving skills. This study aims to produce STEM-based digital modules to develop valid, practical, and effective problem solving skills. This research is a development research using the ADDIE model. The instrument used consisted of a validation sheet filled out by experts in the field of mathematics education, a practical assessment sheet for educators and students, and a learning outcome test with problem solving questions. The quality of the developed digital module is reviewed from the aspects of validity, practicality, and effectiveness. The result is that the digital module developed is included in the valid category with an overall percentage of 88,67%, and the practicality of the digital module is seen from the response of students with a percentage of 87% and the response of educators 83.90% with a very practical category. The aspect of effectiveness based on the learning outcomes test with problem solving questions has increased in terms of the results of the pretest and posttest with an N-gain of 0.69 in the medium category. Based on the results and analysis, it can be concluded that the digital module developed is valid, practical, and effective and is suitable for students to use in learning mathematics.

Media Pembelajaran Augmented Reality untuk Meningkatkan Kemampuan Spasial Matematis pada Konsep Geometri Yanuarto, Wanda Nugroho; Iqbal, Agung Muhammad
Edumatica : Jurnal Pendidikan Matematika Vol 12 No 1 (2022): Edumatica: Jurnal Pendidikan Matematika
Publisher : Department of Mathematics Education, Faculty of Teacher Training and Education, Universitas Jambi

This study aims to develop an augmented reality (AR) learning media to improve the mathematical spatial ability of junior high school in geometry material. The method used in this study is a research and development method by following the steps of level 3 development. In this study, the product developed was augmented reality learning media. Data collection techniques are unstructured interviews, questionnaires and tests with information sources from mathematics education lecturers, two junior high school teachers as material validators and informatics engineering lecturers as media validators. The data analysis technique in this study used descriptive qualitative analysis. The research instrument used a learning outcomes questionnaire, geometry learning outcomes test, and documentation. The results showed that the development of augmented reality as a learning medium can be used to have a positive influence on the effectiveness of lessons in the classroom. But on the other hand, the weakness of augmented reality media is that students must use a minimum Android-based smartphone device and have a camera in it. The study results obtained are to produce AR learning media that can improve mathematical spatial abilities.

Kesulitan Mahasiswa Calon Guru Matematika dalam Menentukan Basis dan Numerus Materi Logaritma Kurniawan, Surya; Suhendra, Suhendra
Edumatica : Jurnal Pendidikan Matematika Vol 12 No 2 (2022): Edumatica: Jurnal Pendidikan Matematika
Publisher : Department of Mathematics Education, Faculty of Teacher Training and Education, Universitas Jambi

Logarithm has an important role in learning mathematics since various fields such as science, computer, finance, industry, and others are applied this material as one of the study subjects. In calculus, logarithm has an important role, especially natural logarithm. This study aims to determine pre-service mathematics teachers' difficulties in solving logarithm bases and numerus material. The subjects are students in the first semester in one university at Banda Aceh city who take elementary algebra course. The research was conducted with a descriptive approach to explain the difficulties that students faced, and it applied several steps such as providing logarithm test to students, determining the difficulties, and verifying it by interviewing students who had difficulties based on their answers. This study revealed that there were various difficulties that students faced such as; (1) lack of understanding of bases and numerus definitions of logarithms, (2) not being able to distinguish between expressions and logarithmic equations, (3) remembering too many formulas so that they do not understand the context of the problem, (4) couldnâ€™t determine the position of irrational numbers on the number line.

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Home Page

OAI Link

Editorial Team

Contact

Reviewer

Google Scholar

Contact Name Khairul Anwar

Contact Email mathanwar@unja.ac.id

Phone +6285273944759

Journal Mail Official mathanwar@unja.ac.id

Editorial Address Mathematics Education Studies Program Faculty of Teacher Training and Education Jambi University Jl. Jambi-Ma.Bulian Km 15 Mendalo Darat, Jambi

Location Kota jambi, Jambi INDONESIA

Abstract

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Abstract

Contact Name
Khairul Anwar

Contact Email
mathanwar@unja.ac.id

Phone
+6285273944759

Journal Mail Official
mathanwar@unja.ac.id

Editorial Address
Mathematics Education Studies Program Faculty of Teacher Training and Education Jambi University Jl. Jambi-Ma.Bulian Km 15 Mendalo Darat, Jambi

Location
Kota jambi,

Jambi

INDONESIA