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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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KEMAMPUAN BERPIKIR KRITIS MATEMATIS DAN SELF CONFIDENCE SISWA SMP MELALUI PENDEKATAN REALISTIC MATHEMATIC EDUCATION Delina Delina; M Afrilianto; Euis Eti Rohaeti
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 1, No 3 (2018): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (668.634 KB) | DOI: 10.22460/jpmi.v1i3.p281-288

Abstract

This research aims to examine of  mathematical critical thinking ability of mathematic and self confidence of students who get Realistic Mathematic Education approach compared to those who get ordinary learning. The method used in this research is the experimental method. The population in this study were junior high school students in Purwakarta, while the sample was SMP Negeri 1 Plered and selected two classes randomly from all of the existing VII class. Then from the two classes are assigned randomly into the experimental class and control class. The experimental class received learning with Realistic Mathematic Education approach and control class gained regular learning. The instrument used is the test of critical thinking ability mathematically and scale self confidence. From the calculation and hypothesis test concluded that the improvement of critical thinking ability of mathematic and self confidence of students who get Realistic Mathematic Education approach is better than those who get regular learning.
IMPLEMENTASI PENDEKATAN SAINTIFIK DALAM PEMBELAJARAN ONLINE MATERI PERSAMAAN DAN FUNGSI KUADRAT DI KELAS IX-A MTS.AL-BIDAYAH Eki Dwi Pebriyanti; M. Afrilianto; Tina Rosyana
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 4, No 5 (2021): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v4i5.p%p

Abstract

This research is a classroom action research. The purpose of this study was to determine the implementation of the scientific approach in online learning of quadratic equations and functions in class IX-A MTs.Al-Bidayah. The subjects of this study were 35 students of class IX-A MTs.Al-Bidayah for the academic year 2020/2021. The instruments used are essay test questions, teacher and student observation sheets, interviews and questionnaires. The steps of this research consist of: (1) Planning, (2) Implementation of action, (3) Observation, (4) Evaluation. At the stage of the first cycle, the teacher was less than optimal in applying the learning approach, did not motivate students, and did not organize the learning time well. Furthermore, in the second cycle stage, the weaknesses that occur in the first cycle can be corrected by the teacher. In addition, more and more students are able to take part in learning by using a scientific approach, solving problems, and asking the teacher for things they do not understand. The results of this study indicate that the scientific approach in online learning can be applied and has a positive influence on student learning outcomes in class IX-A MTs.Al-Bidayah.
ANALISIS KESULITAN SISWA SMP DALAM MENYELESAIKAN SOAL CERITA PADA MATERI SISTEM PERSAMAAN LINEAR DUA VARIABEL MELALUI PEMBELAJARAN DARING Neng Wiwit Juwita Lestari; M. Afrilianto
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 4, No 5 (2021): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v4i5.p1105-1112

Abstract

Mathematics is a skill that must be possessed by everyone because it is applied in almost every aspect of life. This study aims to observe the difficulties of junior high school students in solving the Two Variable Linear Equation System (SPLDV) material using online learning. For the 2020-2021 academic year, this research was conducted at one of the Cianjur State Junior High Schools. The subjects were 20 students from class IX. This study has test questions with indicators that have been set as instruments. A qualitative descriptive approach was used in this study. The findings obtained, some students have difficulty with indicators to solve problems involving a two-variable linear equation system (SPLDV). The results of the analysis show that (1) Lack of mastery of story problems; (2) Obstacles in converting story problems into mathematical models; (3) Do not understand the concept so that students need to be explored or trained more deeply.
KEMAMPUAN PEMECAHAN MASALAH MATEMATIK PADA MATERI BANGUN DATAR SISWA SMP KELAS VII Lina Rosmawati; Euis Eti Rohaeti; M Afrilianto
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.p785-792

Abstract

This study aims to increase the problem-solving ability of students of Class VII SMP on the building of flat and rectangular. This type of research is a classroom action research. By using a descriptive qualitative method. This research was conducted on the students of Class VII of Junior High School in Karawang with 38 students. The instruments used are students' Mathematical Problem Solving abilities, cycle I and II tests after giving the action. The result of the test pad of cycle 1 is only 37.1% of students who can answer the problem well. And in cycle 2 the result of the test increases from cycle 1. Based on the indicator, it is concluded that the mathematical problem-solving ability of the seventh-grade students of SMP on the building of flat and rectangle is low.
ANALISIS KESULITAN SISWA SMP DALAM MEMAHAMI KONSEP KUBUS BALOK Maryanih Maryanih; Euis Eti Rohaeti; M Afrilianto
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.p751-758

Abstract

The descriptive research aims to diagnose the difficulties of secondary school students in understanding Cube and Rectangular Prism. Geometry test and interview are used as the instrument. The subjects are 3 seventh grade students who respectively represent high, medium and low ability in mathematics. This research finds that the students have difficulties in understanding the properties of a cube and rectangular prism, inventing the surface area, and using the formula to determine the surface area. The difficulty in using the formula to solve related problems is an effect of memorizing ready-made formula without understanding so the students are easy to forget it. The alternative ways to cope with the difficulties are: (a) Using computer application (PowerPoint, Ms. Word with SmartArt Graphic) and other current software like Cabri Geometry, The Geometer’s Sketchpad (GSP), Geometry Expert, Logo, Geogebra, and Wingeom; (b) Activating students’ prior knowledge about plane which explains the side of the solid figures; (c) Implementing guided discovery learning with students’ worksheet; and (d) giving variation exercises involving contextual or non-contextual problems.
MENINGKATKAN KEMAMPUAN KONEKSI MATEMATIS SISWA SMP KELAS VII MENGGUNAKAN PENDEKATAN PEMBELAJARAN BERBASIS MASALAH PADA MATERI SEGITIGA DAN SEGIEMPAT Muhamad Rizki Hidayat; M Jalaludin; Euis Eti Rohaeti; M Afrilianto
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.p709-716

Abstract

This study aims to examine and analyze about problem-based learning approach to improve connection ability in SMP. The population in this research is VII SMP in Karawang. This study was designed qualitative descriptive method. Based on the results and discussion students connection ability had improved. It is known from the number of students who experience improvement in each cycle. In the first cycle shows that the results of mathematics learning on triangle and quadriplegic classically obtained scores of students from the questions given in the first cycle test, obtained 18 students reached 60% of 30 students who are able to obtain value above the KKM while in cycle II shows that the results of mathematics learning on triangle and quadrilateral material has reached 83.34% or as many as 25 students from 30 junior high school students who get grade VII above the KKM with an average value of 83. This shows an increase of 23.34% as many as 7 people students from the first cycle test. Means only 9% or as many as 5 students still score below the KKM.
PENERAPAN PENDEKATAN SAINTIFIK UNTUK MENUMBUHKAN KEMANDIRIAN BELAJAR PADA SISWA SMK KELAS XI Fitria Sofianti; M. Afrilianto
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

The purpose of this observation is to find out whether the application of a scientific approach can help students to be more independent in learning, given that there are still passive students and a lack of enthusiasm and independence ion learning. The method used is the method of assignment and question ad answer. The population in this observation was students at one of the private vocational schools in Cimahi City and the sample was taken from 35 class XI students. The instrument used was an essay test consisting of six essay questions with a pretest, posttest, stage equipped with a questionnaire instrument consisting of 14 statements positive and 14 negative statement and interviews. The data processing technique used is triangulation technique, which combines various data processing techniques. Based on the research that has been done, the results of the application of the scientific approach show that there are changes in student learning that are more independent.
MENINGKATKAN KEMAMPUAN PEMAHAMAN MATEMATIS SISWA SMP PADA MATERI HIMPUNAN MENGGUNAKAN PENDEKATAN SAINTIFIK DENGAN SETTING MODEL KOOPERATIF TIPE JIGSAW Neng Cucu Nurmaenah; Selvia Agina; M. Afrilianto; Ratna Sariningsih
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

This type of research is a classroom action research which aims to determine the improvement of students' mathematical learning outcomes after using scientific learning with the jigsaw cooperative model setting on the subject matter of the set. This research was carried out at SMPN 3 Cihampelas in the 2019/2020 school year with the object of research in class VII totaling 36 students. This research was conducted in 2 cycles. Each cycle consisted of 2 meetings, the number of meetings in this classroom action research was 6 meetings, the first meeting was used for the pretest, 2-3 meetings were used for the first cycle of learning, 4-5 meetings were used for learning cycle 2, and the second meeting was 6 carry out posttest to review student learning outcomes. The instruments used in data collection were the pretest and posttest questions and observations. The data analysis technique used descriptive statistics in the form of averages and percentages. Researchers act as the implementation of learning and mathematics teachers as observators in class VII SMPN 3 Cihampelas. The results showed that: (1) There was an increase in student learning outcomes as indicated by an increase in the first cycle with an average value of 60.05 with a percentage of 44.4% and in the second cycle the average value achieved was 84.67 with a percentage of 83.3 %; (2) The activities of teachers and students in learning are good enough in each cycle, but there are still deficiencies that cannot be fixed, namely student activeness in the learning process.
ANALISIS KESULITAN SISWA SMP DALAM MENYELESAIKAN SOAL PERSAMAAN LINEAR DUA VARIABEL Wahyu Gumelar; M. Afrilianto
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

Mathematics is a subject that has a very large role for the development of education in the current era. But in fact, it is still considered a difficult lesson to learn and not interesting because there are too many formulas to memorize. Where the reason for solving students' difficulties in completing the SPLDV material in junior high school is because it is easy to find in students' daily lives. The number of 20 students of class IX SMPN Satu Atap Karya Utama is the subject of the research. The research method uses descriptive qualitative, with instruments in it, namely test questions with specified indicators. The data analysis uses data reduction, data presentation, and drawing conclusions. After being studied, it was found that several students had problems with the SPLDV material story questions. Errors in student answers vary from the lack of students learning concepts from SPLDV, students are still confused in determining the right method to solve problems related to SPLDV, the next obstacle is the difficulty of students changing story questions into the process of mathematical modeling due to their lack of accuracy in reading questions related to the material. SPLDV.
UPAYA PEMAHAMAN PEMBUPAYA PEMAHAMAN PEMBELAJARAN DARING SISWA SMP KELAS VII PADA MATERI SEGIEMPATELAJARAN DARING SISWA SMP KELAS VII PADA MATERI SEGIEMPAT Reni Nur Afifah; M. Afrilianto
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

The purpose of this study is a type of classroom action research that aims to determine the mathematical understanding ability of junior high school students on quadrilateral material. The population in this study were all students of class VII-A in SMP Kec. Cihampelas involving 30 students. This type of research is classified as classroom action research, which consist of 2 (cycles) namely cycle I and cycle II. The implementation of cycles I and II were carried out in 2 meetings each, the number of meetings in this class action research was 6 meetings, the first meeting was used for pretest, 2-3 meetings were used for online learning in the first cycle, 4-5 meetings were used meetings were used for online learning cycle secound, and the 6 meetings conducted a post-tes to review student learning outcomes online. The instruments used in date collection were pretest, posttest and observation sheets. Techiniques in data processing using descriptive tables in the form of averages and percentages. The research acts as the implementation of online learning and the teacher as the observator in the whatsapp group. In the next stage, teacher and student observation sheets were given to review the results. The results of this study indicate that: (1) There is an increase in student learning outcomes as indicated by an increase in the first cyle of the average value of 60.00 with a percentage of 46.67% and the second cycle the averege value achieved is 80.21 with a percentage of  83,33%, (2) The activities of teachers and students in online learning are quite good from each cycle, but there must be some things that must be improved, namely the response of students to activeness in the whatsapp group during online learning.
Co-Authors Aat Atikah Adi Nurjaman Aflich Yusnita Fitrianna Amalia Yuliani Amalia, Fasha Edma Ani Ainun Masruroh 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 Euis E Rohaeti Euis Eti 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 Gabriel Torang Siagian 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 Leni Nurhayati Lina Rosmawati Linda Linda Luthfiani, Evi Luvy Sylviana Zanthy M Jalaludin Ma'ruf, Shofiyah Misbahul Marthalita, Mona Martin Bernard Maryam Firdaus Maryanih Maryanih Mia Khusnunisa Mira Fauziyah Hamdani Muhamad Jalaludin Muhamad Rizki Hidayat Muhammad Trisapto Sunarto Nabila Nurul Jannah Natasya Sri Rejeki Fadilah Neng Cucu Nurmaenah Neng Wiwit Juwita Lestari Nurul Azizah Nurul Khuzaimah Pebriyanti, Arni Pratama, Aris Puja Ilham Purnama Sari Puji Nurfauziah Pujiyastuti, Heti Ramaditya, Annisa Putri Rani Oktaviani Rasanti, Raras Ratna Sariningsih Ratni Purwasih Ratni Purwasih, Ratni Reni Nur Afifah Reza Fujianti Syehab Rika Kartika Rippi Maya Rippi Maya Selvia Agina Siti Nurrohmah Siti Nurrohmah Siti Setiawati Sonia Putri Yesmaya Oria Laa Sri Islami Kulsum Sugiarto, Almira Nurfarisi Sumartini, Tintin 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 Zanjabila Ar-rahiiqil Mahtuum