Prismatika: Jurnal Pendidikan dan Riset Matematika

ANALISIS KEMAMPUAN PEMAHAMAN KONSEP MATEMATIKA PADA MAHASISWA DALAM MENYELESAIKAN SOAL MATERI LIMIT FUNGSI

Yus Septika Wijaya, Nicky Dwi Puspaningtyas, Putri Sukma Dewi — Tue, 30 Apr 2024 00:00:00 +0000

This study aims to determine the ability to understand mathematical concepts in students in solving Limit Function material problems. The research method used in this research is descriptive qualitative method. Subjects were selected based on the UAS scores for the differential calculus course and also with the consideration of the lecturer in charge of the course. The research subjects were 3 students, each of whom had high, medium and low abilities. Data collection in this study used literature study, tests, interviews and documentation. Data analysis techniques in this study are data reduction, data presentation, and conclusion drawing. Then the data were analyzed descriptively qualitatively based on indicators of concept understanding, namely (1) restate a concept, (2) classify objects according to certain properties, and (3) use, utilize and select certain procedures. Based on the results of the research that has been carried out, it can be concluded that: subjects with high abilities are able to fulfill indicators (2) and (3), subjects with medium abilities are able to fulfill indicators (3), and subjects with low abilities are not able to fulfill the three indicators. The findings in this study showed that the three subjects were equally unable to fulfill the indicators of restating a concept where the three subjects were unable to interpret the graph according to what was intended in the question.

PENGARUH PENDEKATAN CONTEXTUAL TEACHING AND LEARNING TERHADAP KEMAMPUAN PEMAHAMAN RELASIONAL SISWA SMP

Valentine Marheber, Tian Abdul Aziz, Lukman El Hakim — Tue, 30 Apr 2024 00:00:00 +0000

This type of study was quantitative with quasi-experimental method that aims to discover the effect of contextual teaching and learning (CTL) on students’ relational understanding ability and how much the effect is. This study was posttest only group control design. It was conducted at SMP Negeri in Tangerang. The sample of this study were choosen randomly by cluster random sampling technique, which is students of grade VIII. The experimental class consisted of 35 students that applied CTL approach, while the control class consisted 34 studens that applied conventional study. Students’ relational understanding ability be measured with the test instrument that contain five essay questions of Pythagorean Theorem that has been tested valid and realiable. Based on the result of statistical hypothesis test using t-test, obtained that the average of students’ relational understanding ability that applied CTL approach is higher than the average of students’ relational understanding ability that applied conventional learning. This show that there is the effect of contextual teaching and learning approach on students’ relational understanding ability. As for the value of Cohen’s effect size, obtained is 69% that is included in medium category.

ANALISIS KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA PADA MATERI KECEPATAN DAN DEBIT

Novita Wulandari, Lovika Ardana Riswari, Diana Ermawati — Tue, 30 Apr 2024 00:00:00 +0000

This research was motivated by the low mathematical problem solving abilities of fifth grade students at SD 3 Tenggeles. This can be seen from the results of students' daily test scores, of which 17 students only 8 students were able to reach the KKM. This research, which aims to analyze the mathematical problem solving abilities of class V students on Speed and Discharge material, is descriptive research with a narrative approach. The research subjects were 6 students selected using purposive techniques. Data collection techniques use documentation, observation, and interviews, while data analysis techniques used in this research include collecting data, reducing data, presenting data, and drawing conclusions. The results of this research are based on four indicators of problem solving ability according to the Polya stages, namely (1) Students in the high category are able to fulfill all indicators, (2) Students in the medium category are only able to fulfill two indicators, and (3) Students in the low category unable to meet all indicators.

ANALISIS PROBLEMATIKA PEMBELAJARAN MATEMATIKA SEKOLAH MENENGAH PERTAMA

Farhan Maulana Dharsono, Nani Ratnaningsih, Diar Veni Rahayu — Tue, 30 Apr 2024 00:00:00 +0000

This research aims to describe problems in mathematics learning and their solutions at Kawali 1 State Junior High School. The research method used in this research is a qualitative. The research subjects were six students from class IX and two mathematics teachers at SMP Negeri 1 Kawali who taught in class IX. The research instruments used in this research were observation, questionnaires and interviews. The learning problems that have been widely researched are problems related to students, even though teachers also need to be researched, so the advantage of this research is describing mathematics learning problems for students and teachers. The results of this research show the problems of mathematics learning at SMP Negeri 1 Kawali, namely that teachers are less innovative and creative when learning, less mature understanding of mathematical concepts, low ability of students to think creatively in mathematics, and low motivation of students. An alternative solution to this problem is that teachers must continue to learn or upgrade their knowledge regarding teaching styles, methods and learning media, teachers must be able to provide scaffolding, teachers must be able to train and hone students' creative thinking skills with learning that raises everyday problems that arise. non-routine, and the teacher must provide guidance and a psychological approach and the teacher must be clever in choosing suitable learning media in conveying Mathematics subject matter.

PENERAPAN PEMBELAJARAN DISCOVERY LEARNING DENGAN ALAT PERAGA TIMBANGAN UNTUK MENINGKATKAN KEMAMPUAN PENYELESAIAN MATEMATIKA

Lilis Widyawati, Era Dewi Kartika, Endah Widiantoro — Tue, 30 Apr 2024 00:00:00 +0000

The aim of this research is to describe the application of the discovery learning learning model with scales to improve PLSV Completion Ability. There has not been much research on discovery learning using scales as a tool. The research method used is qualitative descriptive. The research subjects were 22 students in class VII A of SMPN 3 Tirtoyudo Satu Roof. Data collection techniques are carried out by observing during the learning process, student answers and student learning outcomes. The research results show that students' ability to complete PLSV increases, student learning outcomes also increase, and the learning process is more meaningful. Students whose ability to solve PLSV questions had increased and developed reached 14.8%, namely 4 students, students who developed according to expectations reached 37.1%, namely 10 students, students who were starting to develop reached 29.6%, namely 8 students. students and 5 students have not developed their ability to solve PLSV questions.

ANALISIS KEMAMPUAN NUMERIK SISWA DITINJAU BERDASARKAN GAYA KOGNITIF

Nur Halizah, Siti Napfiah — Tue, 30 Apr 2024 00:00:00 +0000

Numerical ability is the ability to solve problems related to numbers. The aim of this research is to describe students' numerical abilities based on cognitive style. Several existing studies analyze numerical abilities based on reflective and impulsive styles. In this research, the analysis was carried out based on field dependent and field independent cognitive styles. This type of research was descriptive qualitative. Indicators of numerical ability consist of the ability to solve problems, the ability to calculate mathematically, and the ability to think logically. In this research, students can explain problem solving carried out logically and systematically based on concepts in number material. This research was conducted on integer material at MTs Miftahul Ulum Ngingit, Malang Regency. The subjects of this research were 7th grade students, where 19 children were asked to take the GEFT test and then 2 people would be selected, 1 student with a field dependent cognitive style and 1 student with a field independent cognitive style. Then the 2 students were given a test and an interview was conducted to determine the students' numerical abilities. Based on the research results, it was concluded that the numerical abilities of field dependent students were relatively low because they had not achieved all the indicators. Meanwhile, field independent students' numerical abilities are moderate because they have achieved 2 indicators but in the final result the answers are still wrong.

ANALISIS HASIL BELAJAR PADA PEMBELAJARAN PROJECT BASED LEARNING DENGAN LITERASI DIGITAL RISET MAHASISWA

Hersiyati Palayukan, Indah Rahayu Panglipur, Inelsi Palengka — Tue, 30 Apr 2024 00:00:00 +0000

The purpose of this study was to describe the learning outcomes on the description of the Project Based Learning (PjBL) learning process activities with student research digital literacy. Several project based learning, no one has researched about learning outcomes with digital literacy based PjBL research. This research was conducted using qualitative methods with a descriptive approach. This study was conducted on 5th semester students in the Mathematics Education Study Program at PGRI Argopuro University Jember. Data can come from informants, locations, and events, as well as related documents or archives. The data collection method used was a test in the form of a project with a project assessment installation. The research instrument has been validated by 2 experts and declared valid after making minor revisions. The result of this study is that there are several slices of school curriculum development according to each school base. The study showed that project-based learning (PjBL) activities can help students in using digital literacy to research and search for data at school using digital literacy. The learning steps allow the learning to run well. Digital literacy helps sharpen project data collected in the field.

PENGEMBANGAN LEMBAR KERJA SISWA MATERI GARIS SUDUT BERORIENTASI ETNOMATEMATIKA SENI GERAKAN PENCAK SILAT GASMI

Ahmad Rifqi Rifqi, Dwi Noviani Sulisawati, Dimas Andhita Cahyo — Tue, 30 Apr 2024 00:00:00 +0000

This research aims to describe the process and results of developing ethnomathematics-oriented teaching materials that are valid, practical and effective. This research uses the ADDIE development model which consists of 5 stages, namely analysis, design, development, implementation, evaluation. The instruments used include validation sheet, implementation observation sheet, student response questionnaire, and test question sheet. The subjects of this research were 16 class VII students at SMP Kartika IV-6 Ambulu. The quality of teaching materials viewed from the validity aspect is included in the valid category with the assessment average of media experts is 3.77 with valid category. Material expert assessment average is 3.87 with valid category. RPP validation assessment average is 4.08 in the valid category. Validation assessment average of implementation observations is 4.6 with very valid category. Student response questionnaire assessment average is 4,08 with valid category. Assessment average of test questions is 4.54 with a very valid category. The practical aspect of the LKS was obtained from the results of implementation observations with a score of 87.5% and the results of the student response questionnaire with a score of 84.62% with the category very practical. From the aspect of the effectiveness of the LKS, it can be seen from the student test results with a score of 86.67%. In this way, the ethnomathematics-oriented teaching materials developed meet the aspects of validity, practicality and effectiveness.

PENGEMBANGAN MODUL DENGAN MENGINTEGRASIKAN NILAI KEISLAMANAN PADA MATERI GARIS DAN SUDUT

Mida Wardatus Mustakim, Mika Ambarawati — Tue, 30 Apr 2024 00:00:00 +0000

Mathematics is a very important area of education. Learning mathematics is not just about remembering what formulas they learn, but how to apply mathematical material, in order to produce students who not only have cognitive abilities. The teaching module better if there was a teaching module that integrated Islamic values in writing. The type of research used is a development research. The development model used is the ADDIE (Analysis, Design, Development, Implementation, Evaluation) model. The development of a mathematics teaching module that integrates Islamic values in the subject of lines and angles is suitable (valid) for use as a teaching module by looking at the validation from Islamic religious experts of 71.43% and 85.71%, validation of mathematicians at 85.71%, mathematics teacher validation was 85.71%, and peer validation was 100%. Student responses to the mathematics module that integrated Islamic values produced an average of 86.92% in small-scale trials with interesting criteria.

PREDIKSI JUMLAH PENGUNJUNG PERPUSTAKAAN MENGGUNAKAN DOUBLE EXPONENTIAL SMOOTHING

Tue, 30 Apr 2024 00:00:00 +0000

The library is an information center that needs to be managed effectively. The large number of library visitors reflects the efforts made to increase student literacy. This research aims to predict the number of visitors to the Faculty of Science and Technology Library, Jambi University using the Double Exponential Smoothing Holt method which is predicted by giving smoothing values to a series of previous observations with parameter values α=0.775 and β= 0.367. The data used in this research is secondary data obtained from daily data from the Jambi University Faculty of Science and Technology library, totaling 125 data. Predictions show that the number of visitors in the next 5 periods is expected to increase by 48 visitors. The forecast accuracy value from data on the number of visitors to the Jambi University Faculty of Science and Technology library uses a MAPE (Mean Absolute Precentage Error) value of 18.878%, meaning the forecasting model is in the good category.

ANALISIS KELAYAKAN VIDEO PADA MATERI TRIGONOMETRI SEBAGAI MEDIA PEMBELAJARAN

Adita Az-Zahra Nareswari, Dhea Ika Felisa, Sintha Sih Dewanti — Tue, 30 Apr 2024 00:00:00 +0000

The problem faced in schools is the inconsistency in the selection of media used in the learning process. The primary consideration in choosing learning media is selecting media that can meet the needs or achieve the desired learning objectives. Therefore, feasibility testing is required for a learning media to address these issues. This study aims to assess the feasibility of video media produced by Jogja Belajar Media (JB Media) on trigonometry as a learning media. The research employed descriptive qualitative research with content analysis as the method. The analysis considered four aspects: content/material aspect, media/curriculum aspect, design aspect, and user aspect. The study used a validated instrument for assessing learning media. Based on the results from three assessors, the percentage of feasibility for the content aspect was 63.33%, media aspect 59.17%, design aspect 66.67%, and user aspect 68%. Thus, overall, it is categorized as feasible with a percentage of 64.29%. The video has not comprehensively considered some important aspects in the development of learning media, thus students cannot use it as a primary learning source to its fullest extent. Therefore, improvements are needed to support the comprehensive use of learning media.

PENINGKATAN KEMAMPUAN KOGNITIF MATEMATIKA MELALUI BERMAIN MONOPOLI MAK (MATEMATIKA ASYIK) ROUND DENGAN MEDIA LOOSEPART

Ifa Putri, Rachmawati Rachmawati — Tue, 30 Apr 2024 00:00:00 +0000

This research aims to determine the increase in the development of cognitive abilities through playing monopoly with loosepart media in group A children at DARUL HIKMAH Kindergarten. This type of research is classroom action research. Each cycle consists of four stages, namely (1) action planning, (2) action implementation, (3) observation, and (4) reflection. The subjects of this research were group A at DARUL HIKMAH Kindergarten, totaling 10 children. The object of research is children's cognitive abilities through the monopoly media MAK ROUND. Data collection techniques used in this research include: observation, interviews/question and answer, and documentation. The research instrument used in this research is an observation sheet that has been validated by experts. The cognitive development indicators studied include four development standards, namely recognizing simple classifications, recognizing numbers, recognizing arithmetic operations, and recognizing geometric shapes. Before being given treatment (pre-cycle) using MONOPOLY MAK ROUND, of the four standards for the development of cognitive abilities, there was only one development standard that was above the average standard of completeness, namely recognizing numbers with an average of 30.5 and a percentage of 76.25%. After treatment in cycle I, four development standards increased and all of them were above the average completion standard.

MOTIVASI BELAJAR MATEMATIKA SISWA PADA PROJECT BASED LEARNING DENGAN PENDEKATAN TECHNOLOGICAL PEDAGOGICAL AND CONTENT KNOWLEDGE

Muawanah Muawanah, Reny Romadhona, Dyah Ayu Sulistyaning Cipta — Tue, 30 Apr 2024 00:00:00 +0000

The aim of this research is to increase students' learning motivation which is eroded by the presence of gadgets. The low motivation to learn mathematics is the background for the research conducted by researchers in class VII of Sukodono Islamic Middle School. To respond to this, the researchers conducted classroom action research which aims to increase students' learning motivation so that can increase the achievement of learning objectives in accordance with the implementation of the curriculum in schools. Students' learning motivation will emerge if they are directly involved in the learning process, one of the innovative learning models that involves students is the PjBL model. The steps in the PjBL model require students to think critically, creatively and innovatively in solving problems given by educators. Apart from using learning models that involve students, using interesting learning media can increase learning motivation. One application that can be used as a learning medium that increases student motivation is the Canva application. Therefore, researchers used the PjBL model with Canva media in research which is expected to increase the motivation of class VII students at Sukodono Islamic Middle School in PLSV material. The results of this research show that 2 students or 8.7% of the 23 students have not met the criteria for achieving learning objectives. The author concludes that the PjBL model is recommended to be applied to mathematics learning.

MINAT BELAJAR MATEMATIKA DALAM PERMAINAN TRADISIONAL ENGKLEK

Dinda Kusuma Wardani, M. Syaffrudin Kuryanto, Lovika Ardana Riswari — Tue, 30 Apr 2024 00:00:00 +0000

This research aims to find out the level of student interest in learning the traditional game of engklek in the context of mathematics learning. This research used a qualitative approach and was conducted in Kropak Village, Winong District, Pati Regency. The research subjects consisted of the homeroom teacher and several class V students at SDN Kropak 02. The data collection methods applied included observation, interviews and documentation. Data analysis uses techniques introduced by Miles and Huberman, namely data reduction, data collection, and drawing conclusions. This research focuses on four students out of a total of 20 students in the class. The four students who were research subjects had the initials AA, RR, SW, and PLC, which previously indicated a lack of interest in mathematics subjects. Through observations of student responses and the results of interviews with teachers, it can be concluded that the integration of the traditional engklek game in the learning process is able to generate interest in learning and student involvement. Findings from the research show an increase in student interest in learning, reflected in the high level of student enthusiasm during the learning process. They seemed more enthusiastic and active in participating in learning activities and showed greater interest in the material being taught.

IMPLEMENTASI MODEL PEMBELAJARAN BERBASIS PROYEK UNTUK MENGIDENTIFIKASI KEMAMPUAN BERPIKIR KREATIF MAHASISWA MATEMATIKA

Gusmanely Z, Sherli Yurinanda, Sarmada Sarmada — Tue, 30 Apr 2024 00:00:00 +0000

Advanced calculus is a mandatory subject in the Mathematics Study Program, Faculty of Science and Technology, Jambi University. Advanced Calculus studies functions of multiple variables, ordinary derivatives, partial derivatives, double integrals, fold integrals, applications of double integrals, triple integrals and applications of triple integrals. CPL from the advanced calculus course includes students being able to develop mathematical thinking starting from procedural/computational understanding to a broad understanding including exploration, logical reasoning, generalization, abstraction and formal proof. One learning model that facilitates students to fulfill the CPL for advanced Calculus courses is the project-based learning model (Project-based Learning). It is hoped that the Project-Based Learning model can be a learning alternative to help students think creatively in learning Advanced Calculus. It is hoped that the creative thinking abilities of Mathematics Study Program students will increase and support the fulfillment of CPL courses which will result in the formation of creative and systematic mathematics students who are skilled in solving problems and have the capabilities and competencies needed by the world of work (industry, services and government). The results of the analysis showed that the creative thinking abilities of students in class R001 were classified as creative and 1 group was very creative, while in R002 all groups were classified as very creative. The conclusions of this research show a tendency for students' creative thinking abilities to be in the creative category.

PENGEMBANGAN MEDIA MONOPOLI BERBAHAN LOOSEPART UNTUK MENINGKATKAN KEMAMPUAN LOGIKA MATEMATIKA

Dian Fitri Argarini, Ifa Putri Wahyuhidayati — Tue, 30 Apr 2024 00:00:00 +0000

This research aims to determine the feasibility of the monopoly media "MAK (FUN MATHEMATICS" ROUND" made from loose parts for children aged 5-6 years. This research is research using research and development methods or what is called Research and Development (R&D) using a development model ADDIE. The subjects of this research were group A at Darul Hikmah Kindergarten, totaling 10 children consisting of 5 boys and 5 boys. women. In this study, media validation and observation validation of learning outcomes were carried out first by material experts and media experts, after that the validator produced an evaluation of the media and observation sheets used. The aim was to test the suitability of the media used. Research instruments used in the research This is an observation sheet that has been validated by experts. The indicators of the development of mathematical logic studied are knowing simple classifications, knowing numbers, knowing arithmetic operations, knowing geometric shapes. Learning media with the MAK ROUND monopoly game using loosepart media which was developed for group A2 children at DARUL HIKMAH Kindergarten has been validated by experts and received a percentage score of 92.72%. This shows that the MAK ROUND monopoly is declared worthy of being tested. Before being given treatment, the average acquisition of mathematical logic skills was below average, namely 66.8% and was declared incomplete. This means that children's mathematical logic is still low. After being given treatment, the average gain in mathematical logic skills in group A2 children increased to 84.7%. This shows that learning media using the MAK ROUND monopoly game is effective in improving mathematical logic skills in group A children aged 5-6 years.

KEMAMPUAN BERPIKIR KREATIF SISWA DALAM MENYELESAIKAN MASALAH KONTEKSTUAL SISTEM PERSAMAAN LINEAR DUA VARIABEL BERBANTUAN GEOGEBRA

Hilaria Yesieka Ayu Wulandari — Tue, 30 Apr 2024 00:00:00 +0000

The purpose of this study is to describe students' ability to think creatively when facing SPLDV problems in certain contexts using the help of Geogebra. This research is qualitative research that uses the case study method to deeply understand students' creative thinking abilities. Two grade VIII junior high school students with varying initial ability levels of SPLDV were the subjects of this study. The instruments used include the SPLDV initial ability test, creative thinking ability test using Geogebra, and interview guidelines. The creative thinking test consists of four question points that measure indicators of fluency, flexibility, and novelty, with a completion time of 45 minutes. The results showed that students with high abilities could achieve the creative category (TKBK 3) because they were able to meet all indicators of fluency and novelty. Students can provide various alternative answers and use various logical strategies in solving problems. On the other hand, students with low abilities tend to fall into the less creative category (TKBK 1) because they can only meet the fluency indicator. Although subjects can provide a variety of alternative answers that are appropriate, they have not been able to describe the use of diverse strategies in solving problems.

IMPLEMENTASI MODEL CONTEXTUAL TEACHING LEARNING DALAM MENINGKATKAN KETERLIBATAN SISWA PADA PEMBELAJARAN MATEMATIKA

Risna Amalia Ulfa, Dyah Ayu Sulistyaning Cipta — Tue, 30 Apr 2024 00:00:00 +0000

This best practice writing aims to determine the effectiveness of the CTL learning model in increasing student involvement in learning mathematics and to provide the best recommendations for using Contextual Teaching Learning in learning. Learning problems that occur in SMA Selamat Pagi Indonesia class XII students involving conditions of low learning motivation and lack of involvement in all learning activities, of course, have an impact on learning outcomes that do not achieve learning objectives. The method used in this research is using qualitative methods where data collection through literature review, observation, interviews, and documentation, then analyzed with a SWOT matrix equipped with IFAS (Internal Factor Analysis Strategy) and EFAS (External Factor Analysis Strategy) factors. The use of the CTL model has been able to show significant results, in the SWOT matrix shows that the results of the analysis of internal and external factors, positioning the use of CTL in learning in Quadrant 1. Which means, the use of CTL is in a very favorable situation. The use of this learning model has opportunities and strengths at a positive value (x = +1.22, y = +1.17). The strategy that must be applied in using the CTL model is to support an aggressive growth policy (Growth oriented strategy), which is fully implemented and disciplined according to its syntax, so that its implementation can be effective in increasing student involvement in learning mathematics.

ANALISIS KEMAMPUAN REPRESENTASI SISWA DALAM MENYELESAIKAN SOAL MATEMATIS BERBASIS ETNOMATEMATIKA

Rina Nur Janna, Eric Dwi Putra, Dwi Noviani Sulisawati — Tue, 30 Apr 2024 00:00:00 +0000

This research aims to analyze the representational abilities of junior high school students in solving ethnomathematics-based mathematical problems. The newest thing is to see the representation of junior high school students when working on ethnomathematics-based mathematical problems, namely the engklek game. The type of research carried out in this research is qualitative research. Data collection methods use tests and interviews. The subjects in this research were MTs 1 Putri Annuqayah students whose address is Jalan Komplek PP Annuqayah Guluk-guluk Sumenep class IX Amazing, 2 students with high mathematical abilities and 2 students with low mathematical abilities. The results of the research show that students with high mathematical abilities are able to fulfill all indicators of representational abilities, namely verbal, visual and symbolic representational abilities, while students with low mathematical abilities are only able to fulfill one indicator of representational abilities, namely symbolic representational abilities.

KOMIK 3D NUSANTARA BERBASIS TECHNOLOGY PEDAGOGICAL CONTENT KNOWLEDGE UNTUK MENINGKATKAN KEMAMPUAN ARITMETIKA SOSIAL SISWA TUNAGRAHITA

Tue, 30 Apr 2024 00:00:00 +0000

The aim of this research is to overcome the problem of mental retardation in developing mathematical potential and talent, especially abilities in social arithmetic by providing learning media adapted to the characteristics of mentally retarded students in the form of 3D comics with Indonesian cultural nuances based Technology Pedagogical Content Knowledge (TPACK) assisted by money pyramid media. This is because 11 of the 13 students are still not familiar with the new currency issued by Bank Indonesia, making it difficult for them to spend money. 3D comic media contains stories about traveling to three places in the archipelago which include Bali, Yogyakarta and Bogor, the embossed effect on the paper gives a three-dimensional impression so that it attracts the attention of mentally retarded students to learn using 3D Comics. The money pyramid media is used as the initial foundation for introducing money from one thousand to one hundred thousand denominations to mentally retarded students. The subjects in this research were 13 mentally retarded students in class X C using research methods in the form of experiments. Based on the results of research conducted using data processing, it was found that there were differences in the learning outcomes of mentally retarded students before and after being given treatment in the form of using 3D comic media with nuances of Indonesian culture and money pyramids. The amount of effectiveness in using media influences the learning outcomes of mentally retarded students by 67% in the quite effective category.

PENGEMBANGAN LEMBAR KERJA SISWA BERBASIS PROBLEM BASED LEARNING UNTUK MENINGKATAN HASIL BELAJAR MATEMATIKA

Elita Mega Silvia Wijaya, Rudy Setiawan, Inarti Kresna Mila — Tue, 30 Apr 2024 00:00:00 +0000

The aim of this research is to produce Student Worksheets based on Problem Based Learning to improve student learning outcomes in junior high schools. This research uses the 4 D device (FOUR D MODEL). The development procedure includes analysis, design, development and implementation stages. The test subjects in this research were 16 class VII junior high school students consisting of 8 girls and 8 boys. Data collection was carried out using validation and test techniques. Based on the results of data analysis, student worksheets based on Problem Based Learning can be applied and carried out validly. Based on the results of the development research that has been carried out, it can be concluded that the Problem Based Learning model learning tools meet the very valid category with an average value for the lesson plan validator of 3.6 in the very valid category, student worksheets of 3.5 in the very valid category, response teachers towards student worksheets 3.2 in the very valid category, student responses to student worksheets 3.7 in the very valid category, the results of student worksheets is 3.1 in the very valid category, and the group test results is 3.5 in the very valid category.

ANALISIS KESALAHAN SISWA DALAM MENYELESAIKAN SOAL FUNGSI KOMPOSISI DITINJAU DARI PERBEDAAN GENDER

Eric Dwi Putra, Zidna Rizqoh — Tue, 30 Apr 2024 00:00:00 +0000

This study was conducted with the aim of identifying errors that occur when students solve composition function problems by paying attention to gender differences. The research subjects were four students of class XI, two male students and two female students. The research method used was descriptive qualitative. Tests and interviews were conducted to collect data. The data were then analyzed by examining the students' answer sheets and classifying the errors made into four types, namely concept, principle, fact, and operation errors. The findings showed that male students made more errors than female students, especially in the category of fact and operation errors. Fact errors made by male students are errors in writing arithmetic operation signs, this is because male students do not understand the concept of multiplication and addition operation signs. While the error in determining the final answer was caused by an error in the previous process, where male students could not do the calculation correctly so that they got the wrong final result. The conclusion of this study confirms that female students have an advantage in the ability to solve math problems compared to male students.

ANALISIS KESULITAN SISWA BERDASARKAN GENDER DALAM MENYELESAIKAN PERMASALAHAN MATEMATIS

Marselina Ina, Timbul Yuwono, Tatik Retno Murniasih — Tue, 30 Apr 2024 00:00:00 +0000

The aim of this research is to analyze the mathematical problem solving abilities of class VIII middle school students based on the student's gender. This research is a qualitative descriptive study. The subjects in this research were 23 students in class VIII of Malang National Middle School, consisting of 11 male students and 12 female students. Then 6 subjects were selected, namely 3 men and 3 women who had mathematical problem solving abilities in the high, medium and low categories. The research was carried out in the second semester of the 2022/2023 academic year. Analysis was carried out by giving a written test in the form of 2 essay questions. The material tested is problem solving questions related to the Pythagorean theorem. The results of the analysis of students' problem solving abilities were obtained based on the results of student work and interviews. The results of this study indicate that female students' mathematical problem solving abilities are better than male students in solving problems related to the Pythagorean theorem.

PENGEMBANGAN MODUL KAJIAN MATEMATIKA SEKOLAH BERBASIS PROBLEM BASED LEARNING

Tue, 30 Apr 2024 00:00:00 +0000

The aim of this research is to develop a School Mathematics Study module based on Problem Based Learning that is valid and effective. This Problem Based Learning-based module emphasizes problem solving in understanding mathematical concepts. The School Mathematics Study Module based on Problem Based Learning refers to the 4D development model, which is only limited to the Develop stage. The data collection instrument consists of a validation sheet and problem solving test questions. The trial was carried out on students of the Universitas Insan Budi Utomo Mathematics Education study program who were taking the School Mathematics Studies course. The results of data analysis show that the module fulfill the criteria for validity and effectiveness. Expert validation and module testing. From the assessment results from two experts, an average score of 3,2 was obtained, which is a very valid criterion.