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All Journal Jurnal Infinity P2M STKIP Siliwangi DIDAKTIK AKSIOMA: Jurnal Program Studi Pendidikan Matematika Jurnal Daya Matematis JTAM (Jurnal Teori dan Aplikasi Matematika) Journal on Education SIGMA JPMI (Jurnal Pembelajaran Matematika Inovatif) (JIML) JOURNAL OF INNOVATIVE MATHEMATICS LEARNING Jurnal Pengabdian Masyarakat Khatulistiwa Mosharafa: Jurnal Pendidikan Matematika Jurnal Infinity
M. Afrilianto
IKIP Siliwangi
Arts Humanities Earth & Planetary Sciences Economics, Econometrics & Finance Education Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Public Health Social Sciences Other

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ANALISIS KEMAMPUAN PEMAHAMAN MATEMATIK SISWA SMA KARTIKA XIX-4 KELAS X IPS DENGAN MENGGUNAKAN PENDEKATAN SAINTIFIK PADA MATERI SISTEM PERSAMAAN LINEAR TIGA VARIABEL Amalia, Fasha Edma; Minarti, Eva Dwi; Afrilianto, M.
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.v6i1.11033

Abstract

This research is a Classroom Action Research (CAR) whose purpose is to examine the improvement of the mathematical understanding ability (KPM) of high school students in class X on a three-variable system of linear equations. This study uses 3 indicators of KPM. The subjects were students of SMA Kartika XIX-4 involving 12 students. The research was carried out in 4 meetings with 2 cycles. Each cycle was carried out for 2 meetings. The data in this study were analyzed using Normalized Gain / N-Gain, the technique used in data collection was using a test instrument in the form of questions given at the pretest and posttest and using a non-test instrument in the form of an attitude scale questionnaire. The conclusion of this study is that the scientific approach shows a change in student learning that is more independent.
KEEFEKTIFAN BAHAN AJAR MATEMATIKA TERHADAP KEMAMPUAN BERPIKIR KRITIS MATEMATIS SISWA SMP Syehab, Reza Fujianti; Afrilianto, M.; Purwasih, Ratni
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.v6i1.11212

Abstract

The use of important teaching materials in the implementation of learning. This research also aims to support mathematics learning to be more interactive and effective and to support student activities in the learning process to improve well. Student learning outcomes also focus on students’ mathematical critical thinking skills. Therefore, the purpose of this study was to determine the effectiveness of mathematic teaching materials on mathematical critical thinking skilss. The research method used in this study is experimental research, namely those obtained from observations, questionnaires and tests. The participants in this research were grade VI students of SMPN 2 Kertasari which consisted of 2 classes. The data analysis used in this research is descriptive analysis. The results of the study show three parts of effectiveness, namely the effectiveness of interaction showing 61% results with a moderately effective category, the effectiveness of understanding which shows 59% results in the moderately effective category and the effectiveness of teaching materials on mathematical critical thinking skills showing 62% results in the moderately effective category. Therefore, the use of mathematics teaching materials on mathematical critical thinking skills is quite good in its delivery and implementation.
ANALISIS KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA SMP KELAS VII DALAM MENYELESAIKAN SOAL MATERI ALJABAR Sumartini, Tintin; Rosyana, Tina; Afrilianto, M.
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.v6i1.11637

Abstract

A learning models that demanding activity of student to understand the concept of learning situations and problems presented is the model Problem Solving. The purposes of the research is to analyze the problem solving ability of student junior high schoolin solving aljabar test,the ability that hoped might by students is solving math test ability. This research is classroom action research in two siklus. This  research the subjects in were students of class VII A  SMP Al-Mahmud Plus in the odd semester of the 2021/2022 school year, totaling 21 people. Data  instruments were the observation sheet and test questions. The instrument used consists of 5 question with each question consisting of 4 indicators of abilitiy.Data analysis of research is technique using Microsoft excel in the form of descriptive statistics. From data analysis of Research data is shows 66 % of the students are able to understand the problem in the instrument tes, 60% students can plan completion, 57% of students can  run  a completion plan  and  40 % students can check back.
PENERAPAN PENDEKATAN SAINTIFIK MATERI PERSAMAAN DAN PERTIDAKSAMAAN NILAI MUTLAK LINEAR SATU VARIABEL PADA SISWA SMK KELAS X Luthfiani, Evi; Yuliani, Anik; Afrilianto, M.
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.v6i1.12810

Abstract

This research is a classroom action research conducted with 2 cycles. This research was conducted on Merger class students X TKJ and TKRO of SMK Dwi Putra Sindangkerta for the academic year 2022/2023 using a scientific approach. This study aims to determine classroom action research and understanding of mathematical concepts, especially the material equations and inequalities of linear absolute value of one variable using a scientific approach. In this study, the results of students' answers using data analysis techniques with qualitative analysis have four stages: 1). Data collection; 2). Data reduction; 3). Data presentation; 4). Conclusion. The first cycle's lack of student activity was demonstrated by the average score of 62.70 for all students, Student scores increased by 24.58 from the average initial test score of 38.12. In the second cycle test the results have increased the average score of 38.12, student scores climbed by 24.58. It can be concluded that the mastery of the concept of linear absolute value equations and inequalities of one variable in Merger X TKJ and TKRO class students at Dwi Putra Sindangkerta Vocational School has increased.
Peningkatan kemampuan pemecahan masalah matematis siswa kelas VII menggunakan model problem-based learning berbantuan Visual Basic for Applications Excel (VBA) Fitri Nurul Aeni; Afrilianto, M.; Maya, Rippi
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.v7i4.24716

Abstract

The aim of this study is to evaluate the enhancement of mathematical problem-solving abilities among Grade VII Junior High School students using two different instructional models: the Visual Basic for Applications Excel (VBA) Assisted Problem-Based Learning Model and the scientific learning model. The research employs an experimental approach with a pretest-posttest control group design involving two groups: an experimental class and a control class. The entire 7th-grade population of SMP Negeri 3 Lembang participated in the study, with Class VII-D serving as the experimental group and Class VII-E as the control group. Data on mathematical problem-solving abilities were collected through pretest and posttest assessments. Data analysis was conducted using Microsoft Excel and SPSS 29. The findings indicate that students in the experimental group, who were taught using the Problem-Based Learning Model assisted by Visual Basic for Applications Excel (VBA), demonstrated greater improvement in their mathematical problem-solving skills compared to those taught using the scientific learning model.
PENINGKATAN PEMAHAMAN KONSEP DAN KOMPETENSI STRATEGIS MATEMATIS SISWA SMP DENGAN PENDEKATAN METAPHORICAL THINKING M. Afrilianto
Jurnal Infinity Vol 1 No 2 (2012): Jurnal Infinity Volume 1 No 2
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v1i2.p192-202

Abstract

Penelitian ini bertujuan untuk mendeskripsikan dan menelaah peningkatan  pemahaman konsep dan kompetensi strategis matematis antara siswa yang memperoleh pembelajaran dengan pendekatan metaphorical thinking, dengan siswa yang memperoleh pembelajaran biasa. Jenis penelitian ini merupakan kuasi eksperimen. Populasi penelitian ini adalah seluruh siswa kelas VIII SMP Negeri 12 Bandung. Sampel dalam penelitian ini dipilih sebanyak 2 kelas dari kelas VIII. Kelas eksperimen memperoleh pembelajaran dengan pendekatan metaphorical thinking, dan kelas kontrol memperoleh pembelajaran biasa. Instrumen penelitian meliputi tes pemahaman konsep dan kompetensi strategis matematis, angket, pedoman observasi dan pedoman wawancara. Pengolahan data peningkatan pemahaman konsep dan kompetensi strategis matematis menggunakan uji-t dan uji Mann-Whitney. Hasil penelitian menunjukkan bahwa (1) Terdapat perbedaan peningkatan pemahaman konsep dan kompetensi strategis matematis antara siswa yang memperoleh pembelajaran dengan pendekatan metaphorical thinking, dengan siswa yang memperoleh pembelajaran biasa; (2) Siswa menunjukkan sikap yang positif terhadap pembelajaran dengan pendekatan metaphorical thinking. Kata Kunci: pendekatan metaphorical thinking, pemahaman konsep matematis, kompetensi strategis matematis. This research aim to describe and to analyze the enhancement of mathematical conceptual understanding and strategic competence between students in metaphorical thinking approach and conventional learning. This kind of research is a quasi experiment. The populations of this research are all of the students of VIII grade in SMP Negeri 12 Bandung. The samples of this research are by choosing 2 classes of VIII grade. The experiment class obtains the metaphorical thinking approach, and the control class obtains the conventional learning. The research of data is obtained by giving a mathematical conceptual understanding and strategic competence test, questionnaire, the observation directive, and the interview directive. The enhancement of mathematical conceptual understanding and strategic competence is processed by the t-test and Mann-Whitney test. The result of this research showed that (1) There is enhancement difference of mathematical conceptual understanding and strategic competence between students in metaphorical thinking approach and conventional learning; (2) Students showed positive attitude towards learning by metaphorical thinking approach. Key words: metaphorical thinking approach, mathematical conceptual Understanding, mathematical strategic competence.
THE STRATEGY OF FORMULATE-SHARE-LISTEN-CREATE TO IMPROVE VOCATIONAL HIGH SCHOOL STUDENTS' MATHEMATICAL PROBLEM POSING ABILITY AND MATHEMATICAL DISPOSITION ON PROBABILITY CONCEPT Tina Rosyana; M. Afrilianto; Eka Senjayawati
Jurnal Infinity Vol 7 No 1 (2018): Volume 7 Number 1, INFINITY
Publisher : IKIP Siliwangi and I-MES

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/infinity.v7i1.p1-6

Abstract

This study aims to examine the improvement of students' mathematical problem posing ability and mathematical disposition through the strategy of Formulate-Share-Listen-Create (FSLC) on probability concept. The method used in this research is the experimental method, with the design of pretest-posttest control group. The population is all students of the vocational high school in Cimahi, while the sample was selected two classes from one of the vocational high school selected at random. The instrument of a test in the form of description is used to measure students' mathematical problem posing ability, while the non-test instrument is questionnaire of mathematical disposition scale. The results showed (1) The mathematical problems posing of the students who obtained FSLC learning strategy is better than that of those who obtained conventional one; (2) The improvement of mathematical problems posing of the students who obtained FSLC learning strategy is better than that of those who obtained conventional one; (3) The mathematical disposition of students who obtained  FSLC learning strategy is better than that of those who obtained conventional learning.
The Implementation of Geogebra-Assisted Discovery Learning Approach Towards Mathematical Communication Ability of Vocational Students Danny, Firman; Jaenal, Enjang; Fauzy, Alwan; Sugandi, Asep Ikin; Afrilianto, M.
(JIML) JOURNAL OF INNOVATIVE MATHEMATICS LEARNING Vol. 7 No. 4 (2024): VOLUME 7 NUMBER 4, DECEMBER 2024
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jiml.v7i4.22205

Abstract

Mathematicals communication ability is one of essential mathematical abilities that every person, who learns mathematics, needs to have. However, many facts found in many studies has shown us that students’ achievements on this ability are still low. Factors that may cause it spread from teacher factors, tools, approaches, learning media to students themselves. To overcome these issues, many efforts are made to select and implement learning approaches that can improve students' mathematical communication ability as well as their activities in instructional process. Thus, the purpose of this study is to examine whether the implementation of GeoGebra-assisted discovery learning approach is effective in improving vocational school students' mathematicals communication ability or not. This quasi experimental research design involved 60 students of Gema Karya Bahana Vocational School as samples. The samples were divided into two groups in which 30 students of Accounting-1 class as the experimental group and 30 students of Accounting-2 as the control group. The data collected through a description test consisted of 3 questions on a linear program. The data collected through the test, both in pre-test and post-test, then analyzed using inferential statistics. The results of this analysis showed that the implementation of the discovery Learning approach assisted by GeoGebra was effective in improving vocational school students' mathematicals communication ability. Thus,  the discovery learning approach assisted by GeoGebra can be implemented on instructional processes as one of  instructional approach alternatives.
The Development of Discovery Learning Model Teaching Materials to Improve Students’ Mathematical Problem Solving Ability on Junior High School Marthalita, Mona; Kadarisma, Gida; Afrilianto, M.
(JIML) JOURNAL OF INNOVATIVE MATHEMATICS LEARNING Vol. 7 No. 4 (2024): VOLUME 7 NUMBER 4, DECEMBER 2024
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jiml.v7i4.22535

Abstract

In order to enhance students' mathematical problem-solving skills, this study looks at how teaching materials are developed using the Discovery Learning model. Since every student nowadays needs to be able to think critically, the study specifically looks at the process and outcomes. development, viability testing, feedback from students, and improving mathematical problem-solving skills. This kind of research makes use of the Research and Development (R&D) or Research-based Development research method, which is a way to create a specific product and use a model to test the product's viability. Students in class VII at MTs Al Bidayah West Bandung Regency served as the research sample for S. Thiagarajan's 4D (Define, Design, Develop, and Disseminate) study. The process and outcomes of creating educational materials lead to the conclusion that the materials, when viewed from the various stages, follow the procedures or methods outlined in 4D. Based on students' responses, which were 68.4% and 70.2% in the good category, the viability of teaching materials made possible by the Photoshop program can be concluded, along with the students' improved problem-solving skills. If this teaching material is used in a classroom setting, it is imperative that the necessary facilities be set up ahead of time because learning with it requires sufficient facilities. There are tasks and content in this teaching resource that need to be altered. so that students' learning experiences are not dull and monotonous.
Penggunaan pendekatan contextual teaching and learning untuk meningkatkan kemampuan pemecahan masalah matematis siswa SMP kelas VIII pada materi teorema pythagoras Ramaditya, Annisa Putri; Rosyana, Tina; Afrilianto, M.
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol. 7 No. 6 (2024): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v7i6.23933

Abstract

This study aims to study and analyze the improvement of mathematical problem-solving skills in students who use the Contextual Teaching and Learning approach. This research is a type of quasi-experimental research with the population of grade VIII students at SMP Negeri 2 Batujajar and the sample of this study is students of grades VIII B and VIII C. The data collection instrument in this study uses mathematical problem-solving ability test questions in the form of descriptions of five questions. Quantitative data processing used the analysis of 2 dependent samples with a normality test and continued with a paired t-test. The results of this study are: Improvement of mathematical problem-solving ability of junior high school students in grade VIII whose learning uses the Contextual Teaching and Learning approach is better than those who use ordinary learning in Pythagorean Theorem material because in their learning they use all the characteristics of CTL, so that they can train students to solve a problem presented.
Co-Authors Aat Atikah Adi Nurjaman Aflich Yusnita Fitrianna Amalia Yuliani Amalia, Fasha Edma Anik Yuliani Anita Apriliana Annisa, Delsyifa Putri Arlin Yuniyanti Silalahi Arni Pebriyanti Asep Ikin Sugandi Asep Ikin Sugandi Asep Tantowi Ayu Rekno Kusuma Dewi Bernard, Martin Danny, Firman Delina Delina Delina, Delina Deta Virgia Septi Dewi Ramadhona Diah Kurniawati Dina Oktoviani Mardiyanti Dinda Rahmawati Dini Rosdiani Eka Noviana Kharisma Eka Senjayawati Eki Dwi Pebriyanti Enny Yuliani Erna Kirana Solihat Ernawati Ernawati Eti Rohaeti, Euis Euis E Rohaeti Euis Eti Rohaeti Euis Nurpadilah Eva Dwi Minarti Eva Dwi Minarti, Eva Dwi evi luthfiani Fasha Edma Amalia Fauzy, Alwan Fitri Nurul Aeni Fitria Sofianti Fitriani, Nelly Gita Sintia Heris Hendriana Heris Hendriana Heti Herawati Ika Wahyu Anita Ima Saridah Indah Puspita Sari, Indah Puspita Jaenal, Enjang Jozua Sabandar Kadarisma, Gida Kalvia Shania Ramadhania Kulsum, Sri Islami Laa, Sonia Putri Yesmaya Oria Leni Nurhayati Lina Rosmawati Linda Linda Luthfiani, Evi Luvy Sylviana Zanthy M Jalaludin Ma'ruf, Shofiyah Misbahul Mahtuum, Zanjabila Ar-rahiiqil Marthalita, Mona Martin Bernard Maryam Firdaus Maryanih Maryanih Masruroh, Ani Ainun Mia Khusnunisa Mira Fauziyah Hamdani Muhamad Jalaludin Muhamad Rizki Hidayat Nabila Nurul Jannah Natasya Sri Rejeki Fadilah Neng Cucu Nurmaenah Neng Wiwit Juwita Lestari Nurul Azizah Nurul Khuzaimah Oktaviani, Rani Pebriyanti, Arni Pratama, Aris Puja Ilham Purnama Sari Puji Nurfauziah Pujiyastuti, Heti Ramaditya, Annisa Putri Rasanti, Raras Ratna Sariningsih Ratni Purwasih Ratni Purwasih, Ratni Reni Nur Afifah Reza Fujianti Syehab Rika Kartika Rippi Maya Rippi Maya Selvia Agina Siagian, Gabriel Torang Siti Nurrohmah Siti Nurrohmah Siti Setiawati Sugiarto, Almira Nurfarisi Sumartini, Tintin Sunarto, Muhammad Trisapto Supriatna, Tatang Susilawati, Lia Syehab, Reza Fujianti Tari Mulyani Tina Rosyana Tina Rosyana Tina Rosyana, Tina Tintin Sumartini Tommy Tanu Wijaya Trinuraini Trinuraini Umar, Novia Firdayanti Utari Sumarmo Wahyu Gumelar Yuliani, Amalia