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All Journal International Journal of Electrical and Computer Engineering Jurnal Infinity KALAMATIKA Jurnal Pendidikan Matematika Journal of Honai Math JPMI (Jurnal Pembelajaran Matematika Inovatif) IndoMath: Indonesia Mathematics Education

Adi Nurjaman, Adi

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Author-ID : 548072

Humanities Computer Science & IT Education Electrical & Electronics Engineering Mathematics Social Sciences

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THE EFFECT OF PROBLEM POSING APPROACH TOWARDS STUDENTS’ MATHEMATICAL DISPOSITION, CRITICAL & CREATIVE THINKING ABILITY BASED ON SCHOOL LEVEL Nurjaman, Adi; Sari, Indah Puspita
Jurnal Infinity Vol 6, No 1 (2017): Volume 6 Number 1, INFINITY
Publisher : IKIP Siliwangi and I-MES

The background of this study is the school of the new students of mathematics education courses came from grade high, medium and low. Here the writer wants to see how much influence of the school level on new students’ critical thinking skills and creative mathematical. The purpose of this study was to examine differences in new students’ mathematical disposition, critical & creative thinking ability through the mathematical problem posing approach based on school level (high, medium, low). The method used in this research is the experimental method, with only posttest design. The population of this study is all the students of mathematics education department in Cimahi; while the sample is selected randomly from one college. Then from this chosen college is taken two samples from random class. The instrument of essay test is used to measure students’ critical and mathematical creative thinking ability; while non-test instrument is questionnaire of attitude scale. The results show that: 1) based on the school level (high, medium, and low); there is difference in students’ mathematical critical thinking ability through problem posing approach. 2) based on the school level (high, medium, and low); there is difference in the students’ mathematical critical thinking ability through problem posing approach. 3) based on the school level (high, medium, and low); there is difference in students’ mathematical disposition.

ANALISIS KEMAMPUAN BERPIKIR KREATIF MATEMATIK SISWA SMP DI KABUPATEN BANDUNG BARAT PADA MATERI SEGIEMPAT DAN SEGITIGA Hanifah, Hanifah; Nurjaman, Adi
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 1, No 4 (2018): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v1i4.p467-478

Thinking creative is a thinking process which to produce kinds of idea possibility and the way widely and many to completed a problem, when applied thinking creative, will produce many useful ideas to find the resolver. Creative connects with finding something, about the thing that produces something new with using something that has been there. Research methods will use is descriptive qualitative. As for the sample in this research are seventh grade with high ability, medium and low in Kabupaten Bandung Barat. For the instrument test thinking, the creative ability will deliver to students are five question and following with interview in each student. Then, the results obtained was the level of their thinking creative ability according to their writing test and results of the interview with the low-level students. Next, this research is parts of my research paper will be careful.

PENGEMBANGAN LOCAL INSTRUCTION THEORY PADA MATERI SEGITIGA DAN SEGIEMPAT TERHADAP KEMAMPUAN REPRESENTASI MATEMATIK SISWA SMP sari, indah puspita; Nurjaman, Adi
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 2, No 2 (2019): JPMI
Publisher : IKIP Siliwangi

The purpose of this research is to develop local instruction theory on triangular and quadrilateral material and examine the improvement of mathematical representation ability by using local instruction theory. The method used in this research is design research method which includes three stages, namely: preliminary design, design experiment and retrospective analysis. The instruments in this study were in the form of tests and non-tests, where the tests used were aimed to determine the improvement of students' mathematical representation ability while non-tests such as interviews and observations were used to develop the local instruction theory. Subjects in this study were 40 junior high school students. The final result of this research is the development of local instruction theory teaching materials that can be used by the teacher to be used as a guide in teaching and the ability of students' mathematical representation in triangular and quadrilateral material is sufficiently increased

ANALISIS KEMAMPUAN BERPIKIR KRITIS MATEMATIK SISWA SMP DI KOTA CIMAHI PADA MATERI SEGIEMPAT DAN SEGITIGA Andriani, Dewi; Nurjaman, Adi
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 1, No 2 (2018): JPMI
Publisher : IKIP Siliwangi

Critical thinking ability is a process to leads to withdrawal conclusion about what do you believed and action will do. The importance of critical thinking ability on education and that is the main purpose of instructional, there are four importance component for build that ability that is (a) explain and clarify; (b) asking the correct question to clarify or challenge; (c) consider the source of credibility; (d) problem solving and illustrates the conclusion. Method of the research will use is qualitative descriptive. As for the sample in this research is ninth of grade students on Cimahi city from high ability, medium and low. For the instrument test of critical thinking ability will deliver to students are five questions and following with interview for each student. Then, the results obtained was the level of critical thinking ability mathematics students in Cimahi city. Based on the writing test and the results of the interview with the low-level students.

ANALISIS HUBUNGAN SELF EFFICACY TERHADAP KEMAMPUAN BERPIKIR KRITIS MATEMATIS SISWA PADA MATERI LINGKARAN Nurazizah, Sinta; Nurjaman, Adi
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 1, No 3 (2018): JPMI
Publisher : IKIP Siliwangi

This study aims to analyze connection self-efficacy toward the ability of critical thinking on the material of circe of junior high school students. This research method using the qualitative descriptive method. This research is conducted in SMP Negeri 9 Cimahi in Grade IX of the academic year 2017-2018. The population of this study is the students of class IX SMP Negeri 9 and the subject of the research is all the students of class IX-A that consist of 34 students. To obtain the research data used the instrument in the form of test description and questionnaire self-efficacy. The results of the research concluded: (1) the level of students' mathematical critical thinking ability in the problem solution is still low; (2) students' difficulties, in general, have not understood the problem and the preconception is still low; (3) students have not embedded the sense of learning independently; (4)there are connection which is significant between self-efficacy toward mathematics critical thinking.

PEMBELAJARAN DARING MATERI SISTEM PERSAMAAN LINEAR DUA VARIABEL MELALUI PENDEKATAN CONTEXTUAL TEACHING AND LEARNING (CTL) Awaludin, Agus Muhamad; Supriatna, Tatang; Nurjaman, Adi
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol. 6 No. 1 (2023): Januari
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v6i1.12980

This study aims to examine the scenario and implementation of online learning, the reaction of teachers and students to learning, the difficulties felt by students in completing the problem, as well as the obstacles experienced by teachers when doing online learning material system of linear equations two variables using CTL approach. This study is a qualitative descriptive research. This study was conducted on 20 students of SMP Plus Darul Amanah Ciwidey. The results of the study went as planned, the teacher's reaction when the learning process got a score of 94% which included very good criteria, it can be seen from the results of teacher observation sheets carried out each learning meeting, the student's reaction to learning got an average score of 71% with a very good category. The difficulty experienced by students in working on a system of linear equations of two variables lies in the difficulty of skills, concepts, and principles. The obstacles experienced by teachers when carrying out learning are varied such as students who do not have internet quotas, expensive internet payments, signal constraints, lack of student motivation, and lack of supervision from parents during the learning process.

Pengembangan lembar kerja peserta didik menggunakan model problem based learning berbantuan liveworksheets pada materi aritmatika sosial Supriatna, Tatang; Ramdani, Rasya Asri; Nurjaman, Adi
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol. 6 No. 6 (2023): November
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v6i6.19438

This study intends to determine the feasibility and practicality of worksheets for students of Social Arithmetic material using the Liveworksheets-assisted Problem Based Learning learning model. The development model used is the 4D method which is limited to the third step which includes: define, design and develompment stages. Feasibility test data and practicality of LKPD were collected through observation and questionnaires. The feasibility of LKPD is analyzed based on the results of validation by experts and the practicality of LKPD seen from student questionnaire responses. The subjects of this study were50 students on a small scale and 30 students on a broad scale .The results of this study show that the LKPD tested is very feasible and very practical to use for learning. This is seen based on the results of validation by experts who get an average of 95% with very valid categories and the practicality of LKPD taken from student response questionnaires with a percentage of 8,567% on a small scale and 88,33% on a broad scale. This shows that LKPD uses the Liveworksheets-assisted Problem Based Learning learning model on Social Arithmetic material is very valid and practical to use.

Media Visual Basic for Application (VBA) Excel dalam meningkatkan kemampuan penalaran dan keaktifan belajar melalui penerapan model problem based learning Azzahra, Astriani; Rohaeti, Euis Eti; Nurjaman, Adi
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol. 7 No. 4 (2024): Juli
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v7i4.23736

This research aims to find out and analyze the media visual basic for application (VBA) Excel in improving students' reasoning abilities and active learning through learning models problem-based learning. The research method and design used is a quasi-experimental design nonequivalent control group. The subjects in this research were class VIII students at one of the state junior high schools in the West Bandung Regency area. The data collection technique used in this research is data pretest, posttest, and N-Gain mathematical reasoning abilities and student learning activity questionnaires. Then the data is processed using software Microsoft Excel 2020 and IBM SPSS Statistics 26. The research results show that the application of VBA media Excel through learning models problem-based learning can improve students' mathematical reasoning abilities and active learning. One of the findings shows that students have the ability and skills to apply concepts or material through problems that exist in the student environment and are able to complete complex calculations, analyze data, or prepare solution processes through VBA Excel.

Research trends about Visual Basic as a programming language in the learning process: a bibliometric analysis Nurjaman, Adi; Juandi, Dadang; Supriyadi, Edi; Hidayat, Wahyu; Darhim, Darhim
International Journal of Electrical and Computer Engineering (IJECE) Vol 14, No 6: December 2024
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijece.v14i6.pp6498-6507

This study employs bibliometric analysis to systematically explore the Visual Basic (VB) education research landscape, identifying significant trends, influential authors, and future research directions. Utilizing data from Scopus-indexed journals, we examined 529 papers published between 1994 and October 2023, identified through the keywords "visual basic," "visualbasic," "teaching," and "learning." These papers were analyzed using Biblioshiny to generate a bibliometric map, following four steps: data harvesting, data screening, data visualization, and data analysis. Our research reveals critical VB programming trends from 1994 to 2023, with academic output peaking in 2010 and declining since 2007. Ongoing interest is noted due to legacy system applications. Global publication reach facilitates cross-border information exchange, and top affiliations and authors underscore extensive and influential participation in this field. The research emphasizes incorporating fundamental and advanced themes in educational curricula. It suggests future research focusing on new programming paradigms, longitudinal studies, and VB relevance to technological advancements and industrial needs. Enhanced collaboration, interdisciplinary research, and attention to global trends are essential for maintaining the relevance of VB programming education, optimizing legacy systems, improving educational practices, and preparing students for modern programming environments.

Development of Visual Basic Application Based Learning Media On Flat Building Materials Sari, Indah Puspita; Nurjaman, Adi
IndoMath: Indonesia Mathematics Education Vol 4, No 2 (2021)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/indomath.v4i2.6

This study aims to produce learning media based on a visual basic application of triangles and rectangles. This research is research and development. The method used in this research is a research and development method with a 4-D model (Four-D Model). This development model is modified into 3-D, only until the development stage (Develop). The instrument used in this study was a questionnaire used to assess the validity and practicality of the teaching materials. The validity questionnaire was given to 2 experts in the field of mathematics education and media while the practicality questionnaire was given to students. This research produces learning media based on a visual basic application that is valid, very practical, and effective for use in learning

Co-Authors Awaludin, Agus Muhamad Azzahra, Astriani Dadang Juandi Darhim Darhim Dewi Andriani Edi Supriyadi Euis Eti Rohaeti Fedi, Sebastianus Hamu, Aleksander hanifah hanifah Heris Hendriana Hopipah, Ai Indah Puspita Sari, Indah Puspita Mulyani Mulyani Nurazizah, Sinta Ramda, Apolonia H Ramdani, Rasya Asri Subaryo, Subaryo Supriatna, Tatang Tamur, Maximus Wahyu Hidayat

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