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Krida Singgih Kuncoro
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Union: Jurnal Ilmiah Pendidikan Matematika
Published by Universitas Sarjanawiyata Tamansiswa
ISSN : 2339224X     EISSN : 25793209     DOI : https://doi.org/10.30738/union
Core Subject : Education,
Education Mathematics
Union: Jurnal Ilmiah Pendidikan Matematika is a peer-reviewed open access journal published three times in a year (March, July, and November). Union: Jurnal Ilmiah Pendidikan Matematika provides a forum for lecturers, academicians, researchers, practitioners, and students to deliver and share knowledge in the form of empirical and theoretical research articles. The scope of Union is Mathematics Education which includes, but is not limited to the following topics: Mathematics Ability, Mathematics Learning Model, Mathematics Learning Media, Curriculum Development, Assessment and Evaluation, Didactical Design Research (DDR), Realistic Mathematics Education (RME), Ethnomathematics, Research and Development (RnD), PISA Task.
Arjuna Subject : -
Articles 642 Documents
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Development of the minimum competency assessment numerical instrument (AKM) in the economic context for junior high school students Intan Safira Dwi Santy; Anwar Mutaqin
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 11 No 1 (2023)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v11i1.12746

Abstract

Development of 21st century education requires students to have literacy skills. National Assessment, which is the Minimum Competency Assessment (AKM) as a basic competency needed by students so that a numeracy assessment is needed as a source of training to improve students' numeracy skills. Study uses the Research and Development method with the ADDIE model. Subjects were 10 students at empirical validity (small-scale trials) and 46 students at implementation (large-scale trials). This study consisted of a needs analysis questionnaire, a student response questionnaire, and a numeration test instrument totaling 15 questions (13 multiple choices, 2 short entries). The results obtained by 6 material expert validators of 0.93 are categorized as very valid, consistent reliability on small-scale trials is 0.79 and the reliability of large-scale trials of 0.70 is categorized as high, the distinguishing power of 10 items is categorized as high and 5 items are categorized as high. items categorized as low, and the level of difficulty obtained 2 items with difficult and easy categories, and 11 items categorized as medium. The results of the student questionnaire obtained 70.25 categorized as good. To produce valid instrument items and can be used as a source of practice to improve students' numeracy skills.
PENERAPAN PENDIDIKAN MATEMATIKA REALISTIK PADA MATERI DERET ARITMATIKA KELAS XI SMA DENGAN MENGHITUNG BARISAN KURSI Elvindi Gestikatama; Yuha Nissa Prasasti; Angelina Dwi Susanti; Dewi Hamidah
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 11 No 1 (2023)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v11i1.12927

Abstract

This research was conducted at MTs Sunan Muria Ploso with the aim of describing the application of realistic mathematics education material of row and arithmetic series. Some research said that, in schools, applies mathematical concepts directly which causes students to feel bored quickly and the methods used are less varied. In order for mathematics learning to be creative, interesting and fun, then one way is to apply the Realistic Mathematics Learning approach. This research is a descriptive qualitative research with 40 students of class VIII-D MTs Sunan Muria Ploso as the subjects. Data collection techniques using the method of documentation, and interviews conducted by researchers with students. Data collection techniques using the method of documentation and interviews conducted by researchers with students. The sampling technique used was purposive sampling. The data analysis technique in this research is qualitative data analysis, which consists of data reduction, data presentation, and drawing conclusions. The research instrument is a test and interview guide. The results showed that the arithmetic series material can be applied well with the RME approach. The conclusion of this study is that the Learning with Realistic Mathematics approach can support students in understanding and determining arithmetic series formulas, students use various symbols in implementing them so as to help students understand the concepts of arithmetic series.
Analysis of mathematical inductive reasoning ability reviewed from student learning styles in mathematics learning Rahayu Tirta Kusumah; Aan Subhan Pamungkas; Jaenudin Jaenudin
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 11 No 1 (2023)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v11i1.13133

Abstract

The purpose of this study is to describe students' mathematical inductive reasoning ability viewed from visual, auditorial, and kinesthetic learning styles in the Sequence and Series material. The type of research used is descriptive research with a qualitative approach. The instruments of this study were mathematical inductive reasoning ability tests, learning style questionnaires, and interview guidelines.  The subjects of this study were six students of Class XI MIPA-2 SMA Negeri 1 Kota Serang that representing each learning style. The results showed that 1) students with a visual learning style were able to do transductive reasoning, analogies, used relationship patterns to analyze situations, compiled conjectures and could estimate answers, and they were able to explain patterns; 2) students with auditorial learning styles were able to do transductive reasoning, analogies, used relationship patterns to analyze situations, compiled conjectures and  could estimate answers;  3) students with a kinesthetic learning style were able to do transductive reasoning, analogies, could use relationship patterns to analyze situations and compiled conjectures, and they were able to make generalizations.
Sigil application based e-module validity in statistics material for middle school students R. Rahmida; Zulfitri Aima; Audra Pramitha Muslim
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 11 No 1 (2023)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v11i1.13344

Abstract

This study aims to evaluate the validity of the Sigil application-based E-Module on statistics material so that it can be used as a source of learning mathematics, especially on statistics material. This type of research is classified as development research (Research & Development/R&D) with the development model proposed by Plomp. However, this research is limited to the validity stage of the E-Module only. The e-module was validated by 3 experts consisting of 2 material experts and 1 media expert. The instrument used in this research is a validity questionnaire. Data validity was tested using a Likert scale. The results of the study show that the results of the validity of the Android-based E-Module using Sigil are 89,83%.
Analysis of students' mathematical reasoning ability in class IX in solving SPLDV problems Wilya Rahma Tresna; Kiki Nia Sania Effendi
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 11 No 1 (2023)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v11i1.13394

Abstract

This study aims to determine the mathematical reasoning ability of students in one of the State Junior High Schools in Karawang Regency in solving two-variable system of linear equations. The method used is a descriptive method with a qualitative approach. The subjects in this study were 32 students of class IX E. The data collection technique was carried out by giving a mathematical reasoning ability test sheet in the form of a description of 4 questions. The data analysis technique used in this study is based on Miles and Huberman's data analysis technique which consists of data reduction, data presentation, and drawing conclusions. The results of this study indicate that the test scores of students' mathematical reasoning abilities are classified as very low, because there are only 2 students who achieve the KKM score. Then also indicated by the percentage value there are 2 students with a percentage of 6% in the high category, 23 students with a percentage of 72% in the medium category and 7 students with a percentage of 22% in the low category.
Numeration ability of junior high school students in solving numeration problems algebra material Falentine Handiani Fitri; Kiki Nia Sania Effendi
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 11 No 1 (2023)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v11i1.13395

Abstract

This research is a qualitative descriptive research conducted to describe the completion of numeracy problems and determine the level of numeracy ability of junior high school students. The subjects in this study were 34 students who were grade VIII junior high school students in Ciledug District. The research instrument is a written test with three numeracy ability test description questions where each question contains three indicators of numeracy ability. The results showed that the numeracy ability of junior high school students was still classified as low, because there were 19 students who were only able to meet a maximum of one numeracy ability indicator.  The percentage of numeracy ability test acquisition is 11.76% of students in the high category, 32.35% of students in the medium category, and 55.88% of students have low numeracy ability.
The Influence of mathematics learning interest on the conceptual understanding of eighth-grade middle school students Hilma Adzki Hidayati; Dadang Rahman Munandar
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 11 No 1 (2023)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v11i1.13639

Abstract

This study aims to determine the effect of interest in learning mathematics on the understanding of mathematical concepts in grade VIII junior high school students in the matter of number patterns. Number pattern material is one of the materials contained in the 2013 curriculum for class VIII which is expected to be mastered by students and students because it is closely related to everyday life. In this study the population was all class VIII students of SMP Negeri 28 Tangerang for the Academic Year 2022/2023. The sample selection was carried out in this study by means of probability random sampling, namely class VIII-D students as many as 36 students. The approach used in this research is quantitative and analyzed by simple linear regression. The technique of collecting data by providing non-test instruments in the form of questionnaires on students' interest in learning mathematics and test instruments on the subject of number patterns to measure understanding of mathematical concepts that are closely related to everyday life. Hypothesis testing is done by simple regression with prerequisite analysis, namely testing the normality of the data and the linearity of the data. The results showed that there is no significant effect of interest in learning on understanding mathematical concepts with the regression equation . So it can be concluded that interest in learning affects students' ability to understand mathematical concepts in an insignificant way.
Analysis of STAD model on students with low abilities in learning geometry Samsul Pahmi; Nanang Priatna; Karina Yulianti; Fitria Nurulaeni; Akash Satish Kumar
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 11 No 1 (2023)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v11i1.13723

Abstract

This research is based on the mathematics learning outcomes of elementary school students which are still low in terms of student learning outcomes. The current study reveals that as many as 66.67% of students have not been able to achieve the minimum requirements, especially in the section of geometry; reflecting a need to improve mathematics learning outcomes. This gap in learning outcome is due to the fact that a majority of students tended to be passive during learning. The STAD learning model is a learning model that emphasizes student activities and interactions for learning mathematics in the classroom. The research design used in this study is a one group pretest posttest design. The sampling method used in the study was purposive sampling from a class of thirty elementary school students with issues related to mathematical abilities. Data collection techniques consist of primary sources in the form of tests, interviews, and observations, while secondary sources include documentation and literature studies. The data analysis technique used is the t-test (or using the Wilcoxon test if the data is not normally distributed), and the Gain Test. The results showed that there is a positive influence of STAD model on learning outcomes.
Pengaruh Model Kooperatif Tipe STAD Berbantuan Media Pembelajaran Interaktif Terhadap Pemahaman Konsep Matematis Siswa Asmini Mahadi; tedy machmud; Khardiyawan A.Y. Pauweni
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 11 No 1 (2023)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v11i1.13834

Abstract

The study's goal was to see how the cooperative learning model STAD type aided by interactive learning media in terms of students' understanding of mathematical concepts in algebra material at SMP Negeri 1 Suwawa. With 25 students per class were determined using the experimental research post-test only control group design with two classes as a research sample and simple random sampling. As a result, students' ability to understand mathematical concepts in the STAD type cooperative class is higher than in the control class's direct learning model. This is demonstrated by the mean value of students' ability to understand mathematical concepts in the STAD type cooperative model class, which is 70.36 compared to 63.48 in the control class. The inferential analysis using the t test revealed that H0 was rejected because tcount = 1.916 > ttable = 1.68. To summarize, the ability of students' concepts in the STAD type cooperative model class assisted by articulate storyline media is greater than in the direct learning model class.
Games based learning in mathematics education: A systematic literature review Dika Faiz Himmawan; Dadang Juandi
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 11 No 1 (2023)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v11i1.13982

Abstract

This study aims to describe and evaluate the effects of game-based mathematics learning. Systematic Literature Review (SLR) is used as a method in this research by collecting primary studies through checking the Google Scholar database, Education Resources Information Center (ERIC) from 2013 to 2022 with the keywords "games and learning mathematics" or "games and mathematics education", resulting in 25 relevant primary studies with inclusion criteria. The analysis technique used for the articles or primary studies that have been collected is that each primary study is recorded, then classified by title and year of study. Furthermore, each of the articles included in this study was analyzed to obtain the findings and discussion required to draw conclusions from this SLR study. It shows several results from the 25 articles used as material for the analysis of game-based mathematics learning, namely: 1) There are two types of games that are applied in the process of learning mathematics, namely traditional games, and modern games. 2) In general, the influence of the application of games, both traditional and modern, on learning mathematics is to improve the quality of learning with better indicators of teacher skills and student activity. From the results of this analysis, it can be concluded that the application of games in the process of learning mathematics is effective, because it affects the quality of learning mathematics in schools, especially by increasing student competence. The findings of this study also contribute to providing information related to the trend of game-based mathematics learning in Indonesia, which is expected to become recommendations and ideas for further research.

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