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Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika
Published by Universitas Bina Bangsa
ISSN : 27218929     EISSN : 27218937     DOI : 10.46306/lb
Core Subject : Science, Education,
Decision Sciences, Operations Research & Management Education Mathematics
Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Jurnal Lebesgue Adalah Jurnal Ilmiah yang terbit secara daring pada bulan April, Agustus dan Desember. untuk menyebarluaskan hasil-hasil penelitian dalam bidang matematika, statistika, aktuaria, matematika terapan, matematika komputasi, Model Pembelajaran Matematika dan pendidikan matematika.
Arjuna Subject : Matematika - Statistik dan Probabilitas
Articles 554 Documents
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PENGEMBANGAN INSTRUMEN TES MATEMATIKA BERBASIS HIGHER ORDER THINGKING SKILLS (HOTS) UNTUK SISWA SMP Hulwani, Almas Zati; Yuhana, Yuyu
Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Vol. 5 No. 2 (2024): Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistik
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46306/lb.v5i2.648

Abstract

The aim of this research is to develop a mathematical test instrument based on Higher Order Thingking Skills for high school students. The research methods used in this research are research and development methods or Research and Development. (R&D). The data-gathering instruments for this search are teacher lift, student perception lift, observation sheet, interview guide, and the definition test of Higher Order Thinking Skills. (HOTS). The study was tested on 25 students of the eighth grade of high school, the test was carried out on the material of linear equations and linear inequalities of one variable. The results of the research show that: 1) the test instrument Higher Order Thinking Skills developed is valid and reliable, 2) has an average difficulty level for each type of question, and 3) the test instruments Higher order thinking skills (HOTS) developed fall into the category both in different power tests. So, the tool developed by the researchers deserves to be used as an assessment to measure the Higher Order Thinking Skills (HOTS) test for high school students
UPAYA PENINGKATAN KEMAMPUAN BERPIKIR ANALISIS MATEMATIKA MELALUI MODEL MAKE A MATCH SISWA SEKOLAH DASAR Febiana, Cindy; Purbasari, Imaniar; Riswari, Lovika Ardana
Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Vol. 5 No. 2 (2024): Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistik
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46306/lb.v5i2.649

Abstract

The aim of the research is to determine the application of the Make A Match model as an effort to improve the mathematical analytical thinking skills of class IV students at SDN 5 Tegalrejo in corner material with the help of paired cards. This research method is classroom action research on 21 class IV students at SDN 5 Tegalrejo. Collection techniques through pre-cycles, model application, evaluation tests, observation of learning activities and interviews. The results of the research showed an increase in the mathematical analysis thinking skills of fourth grade students at SDN 5 Tegalrejo in applying the Make A Match model with the help of paired cards in corner material. The scores obtained in the Pre-cycle were with a class average of 62.85, the first cycle had a class average of 72.61, and the second cycle had a class average of 88.09. Increasing mathematical analysis skills takes place in mathematical problem-solving activities through paired cards and evaluation of cycle I and cycle II through the ability to differentiate, organize and attribute. Students are able to achieve analytical thinking skills when the student's score has successfully achieved 3 indicators of students' analytical thinking skills, namely differentiating, organizing and attributing. Students gain knowledge of the concept of angles through understanding problems and surrounding angles, organizing mathematical and applied problems and making attributions in mathematical problems. The percentage of students' analytical thinking ability is achieved if it exceeds ≥ 60% of the classical percentage of students in the high category
ANALISIS KEMAMPUAN LITERASI NUMERASI SISWA SMKN 7 SEMARANG DALAM MENYELESAIKAN PERSAMAAN LINGKARAN BERDASARKAN KEMAMPUAN AWAL Darojah, Naila Ulya; P, Agnita Siska; Muhtarom, Muhtarom; Kurniawati, Annisa
Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Vol. 5 No. 2 (2024): Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistik
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46306/lb.v5i2.650

Abstract

The purpose of this research is to describe the numeracy literacy abilities of class XI TITL 2 students at SMKN 7 Semarang in solving circle equation problems based on initial abilities. The type of research used is qualitative research with descriptive methods. Subject selection is based on students' initial abilities based on the results of diagnostic test scores to categorize students' initial abilities into categories of students who have high initial abilities with a score criteria of 75 < score ≤ 100 , medium initial abilities with a score criteria of 35< score ≤ 75 and low initial abilities with a score criteria of 0 < score ≤ 35.Then 6 subjects were selected, each consisting of 2 student with high, medium and low initial ability. The instruments used in this research were numeracy literacy skills tests and interviews. The numeracy literacy ability test is presented in the test questions in the form of 2 numbered story questions and will be analyzed to reveal three indicators of numeracy literacy. The data collection analysis techniques used in this research are, 1) data reduction, 2) data presentation, and 3) drawing conclusions. The results of the research show that: 1) students with high initial abilities are able to reveal all three indicators of numeracy literacy ability, 2) students with medium initial abilities are quite capable of fulfilling the first and second indicators of numeracy literacy ability, but are less able to fulfill the third indicator of numeracy literacy ability , 3) students with low initial abilities in solving circular equation problems are quite capable of meeting the first indicator of numeracy literacy ability, but are less able to fulfill the second and third indicators
IMPLEMENTASI AUGMENTED REALITY (AR) DI PERGURUAN TINGGI MENGGUNAKAN UJI-T BERPASANGAN Sihotang, Siti Fatimah
Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Vol. 5 No. 2 (2024): Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistik
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46306/lb.v5i2.656

Abstract

Today, higher education faces growing challenges in integrating technology to enhance unique and innovative student learning experiences. One technology that has been in the spotlight in recent years and is very widely used today is Augmented Reality (AR). Considering that currently, there are still many students who have difficulty understanding learning concepts well, have difficulty applying the material studied in everyday life, it is hoped that the use of Augmented Reality (AR) in higher education can be a solution. Augmented Reality (AR) can change the way students view learning as well as its extensive use which can also be felt by all elements of the academic community at universities as tertiary institutions. Thus, this research aims to find out how much influence the use of Augmented Reality (AR) has in universities, namely lecturers, students and universities. The method used in this research is paired t-test. From the research results, it is known that the application of Augmented Reality (AR) has a significant effect in higher education with an effectiveness value of 70% which is included in the interpretation category of effectiveness as quite effective
APPLICATION OF THE FLOYD-WARSHALL ALGORITHM TO OPTIMIZE ELECTRICITY DISTRIBUTION IN THE CITY OF CIMAHI Lusiani, Anie; Sartika, Euis; Suhartini, Ida; Nuryati, Neneng
Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Vol. 5 No. 2 (2024): Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistik
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46306/lb.v5i2.666

Abstract

Efficiency in the use of electricity is a necessity for the sustainability of a better life. Almost all human activities utilize electrical energy, such as household appliances, industry, and even vehicles. This research contains the efficiency of electricity use in a housing by applying graph theory in optimizing the electricity distribution network system. The purpose of this study is to optimize the electricity distribution network system in the residential area of Kota Mas Cimahi, so that the best network model is obtained. Network data and information were obtained from PT. PLN UP3 Cimahi, West Java. The method used is to determine the minimum spanning tree in the electricity distribution network model by applying the Floyd-Wish algorithm. The initial model of the power grid was constructed by data on the position of substations and power poles, the number of power poles, and the length of the power cables connecting the poles. The data used is data on a line from several electricity distribution lines in this housing. The result of the minimum cable length on this line is 349 meters. The results of this study are expected to provide alternative solutions and additional information in planning and structuring the power grid optimally. Furthermore, the results of this research can also be used by PLN in order to support the government's program towards the efficiency of using electrical energy to serve the community because they get electricity services faster and cheaper
IMPLEMENTATION OF THE DECISION TREE METHOD PREDICTING STUDENT GRADUATION ON TIME WITH C5.0 ALGORITHM Wulandari, Hamidah; Husein, Ismail
Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Vol. 5 No. 2 (2024): Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistik
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46306/lb.v5i2.671

Abstract

The percentage of students who graduate on time is one of the benchmarks for assessing a university's accreditation. To get good accreditation results, it is necessary to predict the graduation rate using a method so that students can anticipate delays in graduating. The C5.0 algorithm is a Decision Tree based algorithm which is a refinement of the ID3 and C4.5 algorithms created by Ross Quinlan in 1987. In this research, researchers analyzed several variables used in the input variables, there are several variables used, namely the SKS variable, Academic Leave, Student Status, Relationship/Communication with Family, Interests and Talents, Family Economics, Relationship/Communication with Lecturers, Number of Revisions, Final Assignment Material or Method. Meanwhile, in the target variable there is the Study Period. The aim of this research is to obtain the results of the implementation of graduation predictions for Strata 1 (S1) Mathematics Study Program students, Faculty of Science and Technology, UIN North Sumatra Medan using the C5.0 Decision Tree Algorithm. There are several steps taken, namely data preprocessing, data division, calculating information gain for the entire case, calculating information gain and entropy for each attribute. Calculate the total entropy and Gain value of each attribute, create a branch from each root node category, if the result of the branch becomes an internal node, the process is carried out until the attribute categories cannot be split. After carrying out the analysis, the accuracy rate was 82.81%. With a high level of accuracy, it can be developed into a rule that can provide predictions or input in making decisions about whether students will graduate on time
ANALISIS KELAYAKAN INVESTASI PROYEK PENGADAAN ALAT PENGEMBANGAN CHAMBER BALAI UJI DENGAN MENGGUNAKAN NET PRESENT VALUE, INTERNAL RATE RETURN DAN PAYBACK PERIOD DI PT DEF Margana, Riki Ridwan; Syaefulloh, Syaefulloh
Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Vol. 5 No. 2 (2024): Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistik
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46306/lb.v5i2.683

Abstract

PT DEF is one of the electronic equipment calibration checking companies in Depok, West Java. PT DEF carries out various checks in the activity chamber to support the successful entry of electronic equipment into Indonesia. The Anechoic Chamber is a chamber designed to absorb electromagnetic waves or sound so that environmental conditions outside the room will not affect the conditions inside the chamber. The Anechoic Chamber. An anechoic chamber is a chamber designed to minimize the reflection of sound waves. This space is lined with thick sound-absorbing material to prevent sound waves from bouncing off the walls, ceiling and floor. This allows accurate measurement of the acoustic characteristics of an object or sound. Anechoic chambers are used in various applications Acoustic research Anechoic chambers are used to research acoustic phenomena, such as sound wave propagation and diffraction. Investment. The anechoic chamber calculation uses Net Present Value (NVP), Internal rate of return (IRR), and Payback Period (PBP). The feasibility of investing in a project to procure test center chamber development equipment can be determined based on the calculation of Net Present Value, Internal Rate of Return and Payback Period. . Based on the results of the NPV calculation, the results obtained were IDR 1,030,241,369,221. So, this investment project can be accepted. Based on the IRR calculation results, the result was 14.803%, meaning that the company's rate of return was greater than the interest rate that the company had to bear. This shows that in the 10th period the company will be able to provide profit results at the level of 14.803%, which is the cutting level. Therefore, the results of this analysis provide investment decisions that are worth implementing. Based on the calculation of the payback period, the Payback Period is less than the maximum amount (10) that can be accepted by the Payback Period, the project can be accepted and continued. In other words, more or less the return on capital from this investment is 8 months
KEMAMPUAN PEMECAHAN MASALAH MATEMATIS DENGAN WORKED EXAMPLE: SYSTEMATIC LITERATURE REVIEW Andini, Pungky Ayu; Novaliyosi, Novaliyosi; Santosa, Cecep Anwar Hadi Firdos
Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Vol. 5 No. 2 (2024): Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistik
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46306/lb.v5i2.689

Abstract

This research aims to analyze worked examples in mathematics learning and mathematical problem solving abilities with worked examples from the 2019-2024 period. This research uses Systematic Literature Review (SLR) sourced from Google Scholar. 21 articles were collected, 15 articles related to worked examples in mathematics learning and 6 articles related to mathematical problem solving abilities using worked examples. The results obtained by using worked examples in mathematics learning can minimize students' cognitive load, help teachers teach new material concepts and deepen students' understanding of the concepts they have learned, then they can improve mathematical abilities, then worked examples are used to develop learning modules and LKPD or worksheets. Using worked examples improves mathematical problem solving abilities. Apart from that, the ability to solve problems using worked examples can be combined with other learning such as combining it with tracing gestures, differentiation and integrated worked examples
ANALYSIS OF FACTORS AFFECTING LIFE EXPECTANCY IN NORTH SUMATRA PROVINCE USING LASSO AND ADAPTIVE LASSO Nasution, Rini Halila; Tamimi, Alifiyani
Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Vol. 5 No. 2 (2024): Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistik
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46306/lb.v5i2.692

Abstract

Life expectancy is a measure used to evaluate the government's effectiveness in enhancing the overall well-being and health of the population. The life expectancy of a town is impacted by the educational attainment of its residents. LASSO regression is a variant of linear regression that incorporates an extra penalty term into the cost function. adjustable LASSO Regression is a modified version of this technique that incorporates adjustable weighting variables for each coefficient, enhancing its effectiveness.Multicollinearity, a condition of strong correlation between predictor variables, can complicate the identification of independent variables that have a significant impact. The LASSO and Adaptive LASSO are variable selection strategies used in multiple linear regression situations. The LASSO and Adaptive LASSO techniques are effective for identifying important variables and establishing the link between independent and dependent variables
PENGEMBANGAN MODUL DENGAN MODEL POE2WE (PREDICTION, OBSERVATION, EXPLANATION, ELABORATION, WRITE, DAN EVALUATION) DALAM MENINGKATKAN KOMPETENSI MAHASISWA Vepi Apiati; Siska Ryane Muslim
Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Vol. 5 No. 1 (2024): Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistik
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46306/lb.v5i1.693

Abstract

Learning modules are learning materials that can be studied by students independently, in which there are clear components and instructions so that students can follow them sequentially without the intervention of the teacher. Module Development with the POE2WE Model using the ADDIE model (Analysis, Design, Development, Implementation, Evaluation). The Analysis stage includes analysis of performance, students, concepts, and objectives, the Design stage includes the preparation of modules according to the syllabus and lesson plan, and designing learning scenarios, the Development stage includes development with suggestions and input from material expert validators and the POE2WE model, the Implementation stage includes implementing the Module for 6th semester students, and the Evaluation stage includes an assessment of all stages from Analysis to Implementation. The learning model used is the POE2WE model (Prediction, Observation, Explanation, Elaboration, Write, Evaluation). The Prediction stage students make predictions, the Observation stage students make temporary conjectures, the Explanation stage students clarify their conjectures, the Elaboration stage students look for interrelationships of problems with everyday life. In the Write stage, students record the results of discussions and draw conclusions, and in the Evaluation stage, students answer questions for process assessment. This can increase the competence of students

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