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All Journal Jurnal Infinity Jurnal Didaktik Matematika AKSIOMA: Jurnal Program Studi Pendidikan Matematika AL ISHLAH Jurnal Pendidikan MaPan : Jurnal Matematika dan Pembelajaran ABDIMAS SILIWANGI JURNAL PENDIDIKAN TAMBUSAI Teorema: Teori dan Riset Matematika SJME (Supremum Journal of Mathematics Education) Jurnal Cendekia : Jurnal Pendidikan Matematika Journal on Education Symmetry: Pasundan Journal of Research in Mathematics Learning and Education JPMI (Jurnal Pembelajaran Matematika Inovatif) (JIML) JOURNAL OF INNOVATIVE MATHEMATICS LEARNING Indonesian Journal of Pharmaceutical Education Journal of Medives: Journal of Mathematics Education IKIP Veteran Semarang JNPM (Jurnal Nasional Pendidikan Matematika) Jurnal Infinity
Fitriani, Nelly
IKIP SILIWANGI BANDUNG
Arts Humanities Biochemistry, Genetics & Molecular Biology Chemistry Education Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Social Sciences Other

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ANALISIS KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA SMA PADA MATERI TRIGONOMETRI BERDASARKAN KEMAMPUAN AWAL MATEMATIS SISWA Nadia Putri Setiana; Nelly Fitriani; Risma Amelia
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 4, No 4 (2021): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v4i4.p%p

Abstract

This study aims to analyze the problem solving ability of high school students on trigonometry material. The method of this study is a qualitative descriptive method with the research subject of 30 students of class XI in one of the Kab. West Bandung. The data collection instrument used was in the form of a description test consisting of 4 questions with indicators of problem solving abilities. The results of student answers were analyzed using a scoring rubric which was compiled based on 4 indicators of problem solving ability, namely: 1) understanding the problem, 2) planning problem solutions, 3) implementing a settlement plan, 4) looking back. Then the data is processed by calculating the percentage of student achievement against each problem solving indicator. Based on the results of the study, it was found that students had not mastered the indicators of implementing the completion plan and looking back at the percentages 52.5% and 37.5% respectively. Students with high abilities and are making mistakes because students are less careful when solving problems with different error levels. Meanwhile, students with low abilities make mistakes due to a lack of student understanding of problems and concepts.
ANALISIS KESALAHAN SISWA DALAM MENYELESAIKAN SOAL TRIGONOMETRI SISWA KELAS XI SEMESTER 1 SMA PGRI 1 PURWAKARTA Rizki Mulyawati; Nelly Fitriani
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 3, No 5 (2020): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v3i5.p%p

Abstract

The problem discussed in this study is to find and analyze the error factors experienced by students in solving trigonometric problems. The subjects in this study were selected by purposive sampling. Where the subjects sellection based on the student’s ability that divided into 3 levels, high ability, medium ability and low ability. There are 3 subjects in total. The research method used in this study is  case study method, and the research approach is qualitative research. The process of collecting data includes several methods, namely the documentation method, the method of testing the description as many as 5 problem descriptions, and the interview method. Then the steps in analyzing the data results are based on Anderson's mathematical knowledge dimensions which include 4 dimensions of knowledge, namely factual, procedural, conceptual and metacognition dimensions. The results obtained in the study were obtained from 5 problems description given based on the difficulty index of each item, students had difficulty in the type of questions number 3 and number 4, each getting a difficulty index of 0.25 which proves that all of the questions included hard. Difficulties experienced by students are in the dimensions of procedural knowledge and metacognition. In problem type number 3 students have difficulty in solving trigonometric problems in the form of states of graphs in the form of trigonometric functions students have different difficulties, namely in determining the types of trigonometric functions, reading graphs of trigonometric functions, and determining the elements contained in the student's chart still don't understand. In question type number 4 students have difficulty in trigonometric questions in the form of proof of trigonometric identity. In its completion students experience difficulties in several types of errors, such as understanding the concept of trigonometric identity, lack of student memory on types of trigonometric identities, and lack of student accuracy in completing forms of completion.
ANALISIS KESULITAN SISWA KELAS IX DALAM MEMAHAMI MATERI SISTEM PERSAMAAN LINEAR DUA VARIABEL (SPLDV) DALAM PEMBELAJARAN DARING Elis Nurhayati; Puji Nurfauziah; Nelly Fitriani
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 4, No 6 (2021): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v4i6.p%p

Abstract

This research is a case study research that aims to find out the difficulties of junior high school students in solving SPLDV problems. The subjects in this study were 10 students of class VIII-B MTs Negeri 3 Purwakarta, consisting of 3 students who had low abilities, 4 students who had moderate abilities, and 3 students who had high abilities. The instrument used in this study was in the form of test questions with a description of 6 questions which were arranged based on the cognitive domain of Bloom's taxonomy from the level of questions C3 to C6. The data analysis technique carried out consisted of checking student answers by calculating the percentage of each indicator, determining the type of error in answering the question, and knowing the type of student difficulty. The results showed that students still had difficulties in solving SPLDV problems. The success rate of students in solving SPLDV questions is still relatively low, this can be seen from the number of students who have difficulty solving SPLDV problems, especially on indicators about the ability to apply or use procedures to model and detail the value of the variables asked in a PLDV. The level of difficulty in these indicators is quite high. So that efforts are needed to improve students' ability to understand SPLDV material in online learning.
ANALISIS KESULITAN SISWA DALAM MENYELESAIKAN SOAL-SOAL PADA MATERI BANGUN RUANG SISI DATAR (BRSD) Dikdik Adi Putra; Risma Amelia; Nelly Fitriani
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 5, No 1 (2022): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v5i1.p%p

Abstract

This study aims to analyze the students' difficulties in solving problems on the flat side of the space. The method used in this study is a qualitative descriptive method with the population used is 26 junior high school students in one of the schools in Cianjur Regency. The data collection technique carried out in this qualitative descriptive study was carried out by giving a description test question of 5 questions. The data analysis technique used is data reduction, data presentation and concluding research results. The conclusion of the data is taken from the percentage of the question indicators and then concludes the average results of the overall indicators. The result of this research is that students are still wrong in solving flat-sided space problems, precisely on questions number 4 and 5, with the indicator for question no 4 is determining the volume of cubes and blocks and question number 5 with indicators determining the surface area of the pyramid. The difficulty of students in solving questions number 4 and 5 is that students do not understand the problems contained in the questions so that students are wrong about taking steps in solving problems. In addition, students' errors in solving flat-sided geometrical problems are (1) negligence in analyzing the problem; (2) Lack of students' accuracy in answering questions; (3) It is difficult to determine how to answer the question.
PENERAPAN PENDEKATAN SAINTIFIK UNTUK MENINGKATKAN KEMAMPUAN PEMAHAMAN MATEMATIS SIWA SMP PADA MATERI SPLDV Wahyu Nurzaman; Nelly Fitriani; Gida Kadarisma; Wahyu Setiawan
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 5, No 3 (2022): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v5i3.10189

Abstract

 This research is a classroom action research (CAR) which aims to examine the improvement of students’ mathematical understanding concept in the VIII grade SPLDV material at Junior High School 2 Saguling. This research was conducted on class VIII-A students in the 2020-2021 school years. The subjects of this study consisted of 17 students who belonge to group A in class VIII-A. the instruments used were test, interviews, and observation sheets given to teachers and students during classroom action research. The results showed that the aspect of students’ mathematical understanding abilities had increased because the actions given used a scientific approach and the questions on each test were in accordance with the indicators of the mathematical understanding ability. Based on the wprk indicators and processed resluts, it can be concluded that the mathematical understanding ability of grade VIII-A students of junior high school 2 Saguling can be through a scientific approach.
ANALISIS KESALAHAN SISWA SMP DALAM MENYELESAIKAN SOAL PERSAMAAN LINEAR DUA VARIABEL DI SMPN 1 CAMPAKA MULYA-CIANJUR Asep Yusuf; Nelly Fitriani
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 3, No 1 (2020): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v3i1.p%p

Abstract

This Mathematics is a learning that is very important for everyone, because mathematics is always used in everyday life. But in reality, until now there are still many who think that mathematics is difficult because of the many formulas that must be memorized. Even though the main thing in mathematics is not a formula but a concept in mathematics itself. The purpose of this study is to analyze the students' mistakes in completing the Two Variable Linear Equation System (SPLDV) material in junior high school students, because this material is one of the material that is often used in daily life. The subjects of this study were students of class IX-B at SMPN 1 Campaka Mulya-Cianjur, amounting to 27 people, who were then sampled as many as 6 people representing high, medium, and low ability students to be analyzed. The method used in this research is a case study. The instrument to get the data itself is done by tests given to students in the form of question sheets containing 3 contextual questions with questions that have different levels of difficulty. Based on the trials that have been carried out it turns out that the mistakes of students in solving SPLDV questions are different. From the results of the test there were 2 students with high abilities, 2 students with medium ability, and 23 students with low ability
ANALISIS KESULITAN SISWA SMP PADA MATERI BANGUN RUANG SISI LENGKUNG Widya Ayu Agustini; Nelly Fitriani
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 4, No 1 (2021): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v1i1.p%p

Abstract

This study aims to analyze the difficulties of junior high school students with curved side building materials. This study used a qualitative descriptive method and the subject was the students of Al-Mujahidin Middle School in Karawang, class IX, which numbered 20 students. Then the data collection used was to provide 5 questions of the instrument to students. The analysis technique consisted of assessing the students' answers based on the tests that were distributed, determining the types of errors in answering by students and knowing the many types of student errors. From the results of the research data analysis showed that students were not able to calculate the volume, identify the information included in the questions, and could not solve the material questions in the curved side space. So it can be concluded that students still have not mastered the concept of curved side spaces
SISTEM PERSAMAAN LINEAR DUA VARIABEL : DITINJAU DARI ANALISIS KESALAHAN SISWA MTs KELAS VIII PADA PEMBELAJARAN DARING Diana Diana; Nelly Fitriani; Risma Amelia
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 4, No 4 (2021): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v4i4.p%p

Abstract

This study aims to analyze the location of the errors experienced by MTs students in solving the Two Variable Linear Equation System (SPLDV) questions in online learning. This study uses a qualitative descriptive method. The subjects are students of class IX in Karawang totaling 16 people. Data collection is done by analyzing 5 items of description. The problem indicators used are (1) Creating SPLDV as a mathematical model of the given situation, (2) Creating a mathematical model and determining the completion of SPLDV using the graphical method, (3) Creating a mathematical model and determining the completion of the SPLDV using the elimination method, (4) Making mathematical model and determine the solution of SPLDV by substitution method, (5) Identifying special SPLDV and its solution. Based on the results of the study, the highest student errors were found in the indicators of making mathematical models and determining the completion of the SPLDV using the graphical method with an error percentage of 87.5% (where the minimum criteria were 75%). Based on the results of the analysis, the factors that make these indicators experience errors are that students have difficulty in transforming story questions into the form of mathematical models and difficulties when drawing graphs, this happens because during online learning the concept construction process and the form of visualization when constructing concepts are very difficult to facilitate.
ANALISIS KESULITAN SISWA SMP KELAS VII DALAM MEMAHAMI MATERI SEGIEMPAT DAN SEGITIGA DALAM PEMBELAJARAN DARING Isna Sani Hidayah; Nelly Fitriani
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 4, No 3 (2021): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v4i3.p%p

Abstract

Mathematics has an important role to play in life. But the reality in the field shows that many students still have difficulty in understanding math lessons, including geometry. The evidence in the field shows that the results of learning geometry are still low. The difficulty in understanding this geometry material has an impact on other materials related to the geometry material itself. Students will have difficulty in associating material with each other. This study aims to analyze the causes of students' difficulty in understanding Quadrilateral and Triangular materials in online learning. The research method used is qualitative method with case study type. The research subjects were taken as many as 9 students from grade VII E MTs Negeri 3 Purwakarta. The results showed that there are still many students who have difficulty in triangular and quadrilateral materials in grade VII MTs Negeri 3 Purwakarta caused by several different factors.
ANALISIS KESALAHAN SISWA KELAS IX SMP DALAM MENYELESAIKAN SOAL PADA MATERI LINGKARAN Wina Nur Alifah Suherman; Nelly Fitriani; Gida Kadarisma
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 4, No 1 (2021): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v4i1.p%p

Abstract

This research aims to analyze in order to find out the mistakes of Asyifa 44 Junior High School students in solving problems on circle material. Has a qualitative descriptive method. The data taken in the study were the results of the answers of 20 junior high school students in class IX of SMP. The instrument used includes a test instrument in the form of circular material questions as many as 6 items. Processing in this study using triangulation. Some of the mistakes made by students when solving circle material problems include: (1) mistakes in distinguishing several elements of the circle, (2) completing half of the answers, (3) not using long units, (4) unable to prove the relationship between the perimeter angle with the center angle, (5) have not been able to find a number pattern, (6) are wrong in comparing images, (7) cannot conclude a solution. Problems with the largest percentage were number 1 at 90%, and questions with the lowest percentage were number 3 at 20%.
Co-Authors Alwan Fauzy Amelia, Risma Apri Kurniawan Arpin Chronika Asep Yusuf Asri Septihani Bunga Permaganti Citra Aditia Rahayu Dara Kartika Dewi Diana Diana Dikdik Adi Putra Dinda Safrima Sekar Kinanthi Efrina Rahmadhani Eka Senjayawati Elis Hana Solihat Elis Nurhayati Elna Nurhasanah Ernawati Ernawati Eti Rohaeti, Euis Euis Eti Rohaeti Euis Suwangsih Fitri Nurhalisa Fitri Utami Geraldi Valeska Heryadi Putra Gida Kadarisma Helmi Ilham Nabila Heris Hendriana Hikmal Setiawan Hikmal Setiawan Indah Puspita Sari Intan Nuraeni Isna Sani Hidayah Jozua Sabandar Kalvia Shania Ramadhania Keni Eviliasani Laelasari Laelasari Leni Nurhayati Leni Sulasmini Linda Linda Lusiana Tika Syafitri M Zulfikar M. Afrilianto Martin Bernard Melisari Melisari Muhammad Raka Jaya Murni Chintia Nadia Putri Setiana Naskia Achmad Nenden Fatimah Nia Rahmawati Nirwanty Angela Al Ghani Novi Yuniarti Novia Putri Denati Pertiwi, Citra Megiana Puji Nurfauziah Puji Nurfauziah Ratna Sariningsih Ratni Purwasih Rezki Adelima Lubis Rippi Maya Rizki Mulyawati Ruslan Mubarok Samsul Maarif Santi Santi Selvia Agina Seni Marwanti Siti Sarah Khodijah Surya Permana Tupa Minokti Utari Sumarmo Wahyu Nurzaman Wahyu Setiawan Wahyu Setiawan Widya Ayu Agustini Wildan Wildan Wina Nur Alifah Suherman Winda Nuraeniah Yeti Jumiati Yuni Sapitri