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JPMI (Jurnal Pembelajaran Matematika Inovatif)
Published by STKIP Siliwangi Bandung
ISSN : 2614221X     EISSN : 26142155     DOI : 10.22460/jpmi.v1i3.1-6
Core Subject : Education,
Mathematics
JPMI – Jurnal Pembelajaran Matematika Inovatif publishes original research or theoretical papers about teaching and learning in mathematics education on current science issues, namely: 1. Mathematics educator in elementary, secondary and high school level 2. Mathematics observers and researchers 3. Educational decisions maker on regional and national level
Arjuna Subject : Matematika - Matematika (Lain-Lain)
Articles 1,057 Documents
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PENERAPAN PENDEKATAN PROBLEM POSSING UNTUK MENINGKATKAN KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA SMP Amelia, Risma; Aripin, Usman; Kirana, Yana Cahya
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.p27-34

Abstract

The research aims to determine the enhancement of students ' mathematical problem solving skills. This research uses experimental methods. The population is a class VII junior high, while the sampling is a class VII one of the junior high schools in Cimahi, consisting of two classes, the VII E class being an experimental class while the VII D became the control class. Both classes were given pretes at the beginning of the meeting and Postes at the end of the meeting. The instrument used is 5 items about the mathematical troubleshooting description. Based on the Mann Whitney non parametric test that acquired significance was 0.000. The conclusion that resulted in this research is the enhancement of mathematical problem solving skills of students who are using the approach of possing problem better than using scientific approach. Learning using the approach trains the students in making problems and answering them so that mathematical problem-solving skills can increase.
PENGARUH PEMBELAJARAN KOOPERATIF TIPE NUMBERED HEAD TOGETHER (NHT) PADA BAHASAN PECAHAN UNTUK MENUMBUHKAN KEPERCAYAAN DIRI DAN MENINGKATKAN HASIL BELAJAR SISWA SMP Yusuf, Asep; Mubarok, Ruslan; Zanthy, Luvy Sylviana
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 3, No 2 (2020): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v3i2.p%p

Abstract

This study aims to increase confidence in learning mathematics and improve learning outcomes by applying NHT type cooperative learning models to the subject of fractions. This type of research is one group pretest-posttest design experimental research subjects with class VII-B, amounting to 25 people. To retrieve the data, an instrument was used in the form of a test sheet about fractions as many as 5 question descriptions and a questionnaire about confidence in learning mathematics as many as 25 statements. The results of research before and after treatment are: (1) self-confidence can affect the improvement of student learning outcomes. (2) before getting treatment the student grades were still relatively low with an average grade of 59. (3) after getting treated with NHT type cooperative learning, student learning outcomes improved with an average value of 75.2.
PENGUASAAN MATERI MATEMATIKA SEKOLAH DAN PERMASALAHANNYA PADA MAHASISWA PRODI PENDIDIKAN MATEMATIKA Hutauruk, Agusmanto J.B.
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.p81-90

Abstract

Penelitian ini merupakan penelitian kualitatif mengenai penguasaan materi matematika sekolah dan permasalahannya pada mahasiswa prodi pendidikan matematika. Subjek penelitian terdiri dari 6 orang yang masing-masing diposisikan pada tingkat pendidikan sekolah SMP dan SMA serta setiap tahun angkatan. Penelitian ini bertujuan untuk melihat bagaimana penguasaan mahasiswa calon guru matematika atas materi matematika sekolah serta dapat menemukan permasalahan-permasalahan yang ada yang dihadapi mahasiswa calon guru matematika terkait materi matematika sekolah. Hasil penelitian menunjukkan bahwa (1) terkait penguasaan materi matematika sekolah, responden (mahasiswa) masih kurang menguasai materi matematika sekolah, dan (2) terkait permasalahan yang dihadapi mahasiswa terkait penguasaan materi matematika sekolah, diperoleh masalah-masalah kemampuan matematis yakni kemampuan pemahaman konsep matematis materi matematika sekolah, kemampuan pemecahan masalah  terkait materi matematika sekolah, serta kemampuan kemadirian belajar.
HUBUNGAN SELF-EFFICACY SISWA TERHADAP KETERAMPILAN BERPIKIR KRITIS MATEMATIS SISWA SMP PADA MATERI BENTUK ALJABAR Abdul Robbi Misbahudin; Aflich Yusnita Fitrianna
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 3, No 3 (2020): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v3i3.p%p

Abstract

The aim of the research is to find out the correlation between students' self-efficacy to mathematical critical thinking skills. The method chosen this research is a quantitative method with a correlation approach with the aim to determine the correlation and quantify the contribution of two variables, students’ self-efficacy, and mathematical critical thinking skills. The research was implemented at a junior high school (SMP) in Ngamprah District, West Bandung, with a population of all 8-grade students with 28 8-B class samples. In this research, there are two instruments used, the questionnaire instrument self-efficacy and the test instrument's critical thinking. The analysis shows that: (1) There are still students who can’t solve critical thinking questions, where students can’t understand the given problem; (2) Between students' self-efficacy and mathematical critical thinking skills don’t have a positive correlation; (3) The contribution of students' self-efficacy to mathematical critical thinking skills is 0.55% while the rest 99.45% is be affected by other factors; (4) Most students already have self-efficacy or good self-ability towards learning mathematics.
ANALISIS KESALAHAN SISWA DALAM MENYELESAIKAN SOAL CERITA PERSAMAAN DAN PERTIDAKSAMAAN LINEAR SATU VARIABEL Yeti Jumiati; Luvy Sylviana Zanthy
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 research aims to describe the mistakes of students in solving mathematical story problems, by using an indicator of concept errors, principle errors and operating errors. The subject of the study was the 8th grade students of Islamic Junior high school Daarul Fikri. The method used in this study is descriptive qualitative. Research and data collection using test and interview methods. The results of the sudy show that the mistakes made are concept errors where the subject cannot understand the concept of variables, the subject does not write an example and an error in translating the problem into a mathematical model. So that if a concept error is done automatically a principleerroe and an operation error must be made and the problem cannot be further analyzed because the subject cannot write the form of theequation so that the problem cannot be solved correctly.
EFEKTIVITAS GOOGLE CLASSROOM PADA KEMAMPUAN GEOMETRIS MAHASISWA PROGRAM STUDI PENDIDIKAN MATEMATIKA KELAS REGULER DAN NON T.A. 19-2 Marchasan Lexbin Elvi Judah Riajanto
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 3, No 3 (2020): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v3i3.p%p

Abstract

The problem began at the beginning of the emergence of the COVID pandemic 19 in Indonesia, which continued to the necessity of learning as the only possible choice for the implementation of further lecture activities. Researchers view the importance of seeing the effectiveness of the treatment in this case the GC used in the achievement of the objectives of the lecture geometry euclides. The things that researchers pointed out in advance are reasons for researchers to designate research as comparative causal research, along with that involving students' initial ability in the form of a score from quiz 1 that measures the ability of geometric mechanical understanding of schools to the level of C5 thinking ability in bloom taxonomies that researchers have to obtain at the end of the first meeting and the geometric abilities of students obtained based on UTS scores. The analysis of spss17-assisted data was carried out based on the class and the mathematical abilities of the medium and high students of the two classes. From the findings, it was concluded that; Geometric ability of regular class students and non-regular classes after receiving treatment with GC is not different even though the initial ability of the two classes is different based on the quiz 1 score, so learning lectures with the treatment of google classroom can be both used as media and the treatment of geometry courses for regular class and class euclides non-regular in situations and conditions is minimal enough.
ANALISIS KESULITAN SISWA DALAM MENYELESAIKAN SOAL MATERI STATISTIKA PADA SISWA SMP KELAS VIII Dinar Mediyani; Zanjabila Ar-rahiiqil Mahtuum
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 3, No 4 (2020): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v3i4.p%p

Abstract

The focus in this study is to analyze and describe the difficulties experienced by students of class VIII in solving questions about statistical material. This research uses a qualitative approach with descriptive methods. Analysis of the results of student answers used according to three categories of learning difficulties according to Wood (2012). The data used in this study were the results of tests in the form of problem statements consisting of 5 items and were given to the subjects of this study as many as 5 students. The data obtained were then analyzed starting from data reduction, data exposure and conclusion drawing. The results of this study indicate that from the subject of 5 students only 69% of the questions were able to be solved and none of the students were able to solve the problem completely. This happens because the average student has difficulty understanding the purpose of the problem and it is difficult to determine how to solve it.
ANALISIS KESALAHAN SISWA KELAS IX DI MTS NEGERI KOTA CIMAHI DALAM MENYELESAIKAN SOAL LINGKARAN BERDASARKAN KATEGORI KESALAHAN MENURUT WATSON Nurhayati, Ani; Minarti, Eva Dwi; Setiawan, Wahyu; Hendriana, Heris
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 3, No 3 (2020): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v3i3.p%p

Abstract

This study aims to analyze the errors of grade IX students in MTs Negeri Cimahi in solving circle problems, 32 students, and 6 random samples were taken. The research approach used is qualitative research with descriptive methods. The research instrument used in the test is based on bloom's taxonomy on the dimensions of cognitive processes that begin with C1-C6, where C1 is remembering, C2 is understanding, C3 is applying, C4 is analyzing, C5 is evaluating and C6 is creating. The test is examined based on the type of error Watson category and an analysis of student answer errors. The results showed that the type of error that was very high was 60% in the Above Other / AO type. Then for Omitted Data / OD errors, including a low error of 20%. Types of errors in Inappropriate Data / ID included in the low error that is equal to 13% and the last type of errors in Inappropriate Procedure / IP including very low errors of 7%. While the types of Response Level Conflict / RLC, Undirected Manipulation / UM, and Skills Hierarchy Problem / SHP errors are 0%, respectively, including very small errors. The cause of students making mistakes in solving circle problems based on the Watson category errors is the lack of understanding of the concept of the material being taught, students cannot solve problems according to the solution procedures and the lack of accuracy of students in working on given problems.
PENGGUNAAN MEDIA PEMBELAJARAN UNTUK MENINGKATKAN PEMAHAMAN MATEMATIKA SISWA PADA PEMBELAJARAN THEOREMA PYHTAGORAS Putra, Imam Setiadi; Islamiati, Nur; Komalasari, Lala Intan
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 3, No 4 (2020): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v3i4.p%p

Abstract

This Study focuses on the use of mathematics learning media in increasing students' mathematical understanding in the learning of the Pythagorean theorem. The research subjects were taken as many as 15 students of class VII in one school in the district of Donggo. The research subjects were randomly drawn to participate in learning using manipulative media. There are two learning media designed for research, namely ICT and Non-ICT media. The results of this study indicate that the use of instructional media can improve students 'mathematical understanding, this is indicated by an increase in the average value of students' mathematical understanding before the use of media 36,93 and after using the media of 80,33. In addition, the results of this study also indicate that there is an influence of the use of instructional media to increase student understanding of learning theoremagas theorem, this is based on the results of the calculation of t-sample test related to Paired-Sample Analysis of two-tailed T-test T-test obtained by ttcount = -12,88 and ttable = 1.753 for a significant level of 5% with df = 14, where 12,88 ≥ -1.753.
ANALISIS KESALAHAN SISWA DALAM MENYELESAIKAN SOAL MATEMATIKA MATERI LIMIT FUNGSI ALJABAR Kulsum, Sri Islami
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 3, No 4 (2020): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v3i4.p%p

Abstract

In accordance with the problem limitation, the objective in this study is to find out the percentage of errors made by students in solving mathematical problems in the algebraic function limit material. Descriptive research with a qualitative type approach used in this study. One high school in West Bandung regency, Darul Falah High School, is the subject of this study. A diagnostic test was given in the form of a matter description of the algebraic function limit to 21 students as a sample. The object to be reviewed is an error made by the student in solving the problem. The type of error is taken from the classification written by Herman Hudoyo, namely there are concept errors, procedural errors, and operating errors. From the results obtained, the percentage of student errors in completing mathematical problems material limits on algebraic functions in the concept type by 34.5% is categorized high enough for the type of procedure to get 36.9% categorized quite high while the type of operation by 61.9% is categorized very low. This indicates, students still have difficulty in operating a number, especially in numbers with positive and negative signs. Inaccurate and lack of understanding of students is the cause of errors that arise so that there is a need for follow-up to overcome these errors so that similar errors do not occur.

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