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All Journal Jurnal Infinity Numeracy : Jurnal Ilmiah Pendidikan Matematika Jurnal Penamas Adi Buana ABDIMAS SILIWANGI JPMI (Jurnal Pembelajaran Matematika Inovatif)
Aflich Yusnita Fitrianna
IKIP Siliwangi
Arts Humanities Education Library & Information Science Mathematics Social Sciences

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PENERAPAN VIDEO PEMBELAJARAN UNTUK MENINGKATKAN HASIL BELAJAR PEMBELAJARAN DARING PADA SISWA SMP Windi Melani Nursidiq; Aflich Yusnita Fitrianna; Luvy Sylviana Zanthy
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 6, No 2 (2023): Maret
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v6i2.11155

Abstract

This study was conducted with the goal of enhancing seventh-grade junior high school students' online learning results by implementing learning videos, during the covid-19 pandemic learning was carried out through WhatsApp groups (WAG). This type of research is Classroom Action Research (CAR). The subjects in this study were 13th grade junior high school students in one of the junior high schools in West Bandung Regency. The research method used is descriptive qualitative. The research instrument used is in the form of test questions. The steps of classroom action research are (1) planning, (2) implementation, (3) observation and (4) reflection, which were carried out in this Classroom Action Research (CAR) in 2 cycles. Based on the results of learning mathematics students who reach the KKM cycle is 69.23%. From the results of this study, it can be concluded that online learning with the application of learning videos can improve learning outcomes for junior high school students.
PENERAPAN PROBLEM-BASED LEARNING UNTUK MENINGKATKAN KEMAMPUAN PENALARAN MATEMATIS DAN SELF-CONFIDENCE SISWA SMK Hanifah Novianty; Ade Sudrajat; Aflich Yusnita Fitrianna
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 6, No 2 (2023): Maret
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v6i2.10223

Abstract

This research is a class action research (CAR). The aim of the study was to find out, [1] the application of problem-based learning to improve the mathematical reasoning abilities of SMK students [2] the effect of problem-based learning to improve the mathematical reasoning abilities of SMK students. The research was carried out using a qualitative descriptive method and adapted to indicators of mathematical reasoning based on Kemmis and Mc Taggart's analysis. research subjects were 36 students of class XI Multimedia 2 at SMKN 3 Cimahi 2021/2022. Collecting data in this study used observation, tests, self-confidence questionnaires and interviews. From the results of tests and interviews it is known that the basic concept of students' mathematical logic questions initially had errors in solving the problems, but there was an increase in each cycle. The results of data on mathematical reasoning ability affect the average percentage of the self-confidence questionnaire which tends to be high, namely score 4 of 25%, score 3 of 19.4%, score 2 of 31.7% and score 1 of 7.9%, so the conclusion is that the mathematical reasoning abilities of SMK students belong to the medium category.
PENERAPAN PROBLEM BASED LEARNING UNTUK MENINGKATKAN PEMAHAMAN MATEMATIS SISWA PADA MATERI LOGIKA MATEMATIKA KELAS XI PH 1 Fadhila Febriliana; Aflich Yusnita Fitrianna
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 6, No 2 (2023): Maret
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v6i2.12570

Abstract

The purpose of this survey is the use of problem based learning to increase students' mathematical understanding on the material of logika matematika in class. The population in this survey is students in SMK Negeri 3 Cimahi. The sample of this survey is the students from class XI PH 1 as many as 35 students. This survey application the classroom action research strategy from Kemmis and Taggart which comprises of pre-cycle, cycle I, cycle II and cycle III. It is completed in 4 phase, namely planning, implementation, observation and reflection. This survey instrument uses a written test to obtain data on improving students' mathematical understanding abilities. The survey procedure was done by drawing conclusions from the average mathematical understanding ability of students and the percentage of students' mastery with the provisions of the KKM score of 75. The results obtained that the average mathematical understanding ability of students in the pre-cycle was 45 with a complete presentation by 0%, in the cycle. Cycle I improved to 79 with a complete presentation by 69%, in the second cycle it improved again to 87 with a complete presentation by 91% and in the third cycle it improved again to 89 with complete presentation by 94%.
KARAKTERISTIK KEMAMPUAN PEMECAHAN MASALAH SISWA KELAS VIII DI KABUPATEN BANDUNG BARAT Pujiyanti Sahri; Jozua Sabandar; Aflich Yusnita Fitrianna
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 6, No 3 (2023): Mei
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v6i3.17251

Abstract

This study aims to determine the characteristics of the problem solving abilities of class VIII students in a junior high school in West Bandung Regency. In this study using a qualitative descriptive research method. Data collection techniques in this study were in the form of problem-solving skills tests and interviews. The results of the tests and interviews were analyzed for each item based on Polya's ability to solve problems. The test instruments used were test descriptions of problem solving questions and interview guidelines. Based on data analysis that refers to indicators of problem solving ability, the research results obtained that the indicator of solving problems obtained results of 87%, and on the other 3 indicators namely understanding the problem obtained results of 55%, planning problem solving obtained results of 30% and buying back problems obtained results of 20%. Thus, there were still a number of errors found in the results of student answers in solving problem-solving solutions including: not listing what was known, asked, and not describing these elements, the process of planning problem solving was not systematic, did not understand problems, errors in calculating answers, and not writing conclusions from the results of the settlement. Students are not used to solving problems in the form of stories with complex daily life contexts, which is a factor that is often found in junior high school students.
KARAKTERISTIK KEMAMPUAN PEMECAHAN MASALAH SISWA KELAS VIII DI KABUPATEN BANDUNG BARAT Pujiyanti Sahri; Jozua Sabandar; Aflich Yusnita Fitrianna
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 6, No 3 (2023): Mei
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v6i3.17251

Abstract

This study aims to determine the characteristics of the problem solving abilities of class VIII students in a junior high school in West Bandung Regency. In this study using a qualitative descriptive research method. The data collection technique in this study was in the form of test questions. The test results were analyzed by the emergence of problem solving abilities based on the Polya procedure for each question. The test instrument used is a description test. Based on data analysis of the study found that the stages of solving problems obtained 87% results, and at the other 3 stages namely understanding the problem obtained 55% results, planning problem solving obtained 30% results and checking again obtained 20 results %. Thus, there are still many students who do not write down what is known, are asked, and do not describe these elements, are not systematic in the problem solving process, do not understand the problem, are wrong in calculating answers, and do not write conclusions, and the main factor is not students are used to solving problems in the form of stories with complex daily life contexts, so there are still many errors in problem solving systematics found in junior high school students.
ANALISIS BUTIR SOAL TES MATERI SISTEM PERSAMAAN LINEAR DUA VARIABEL PADA SISWA KELAS VIII Agistia Suci Lestari; Aflich Yusnita Fitrianna; Luvy Sylviana Zanthy
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.v6i1.12389

Abstract

This study aims to determine the quality of the test items for mathematics subjects on the material of a two-variable system of linear equations with a combined method. That the thing is that learning is limited by researchers will conduct research at SMP Negeri 2 Haurwangi with research subjects of class VIII students who are in class 05 which contains 17 students. In class 05, students have different characteristics, from high, medium, and low categories which can be obtained from the assessment of students' answers to the test questions given. The items made consist of 3 questions. With easy, medium, and difficult categories. Given this research is a research that uses quantitative descriptive which will be analyzed using Ms. Excel based on Validity, Reliability, Distinguishing Power and Difficulty Index. The results showed that; 1) the three items with very high validity and high reliability, 2) based on the discriminatory power of interpretation is less, 3) based on the difficulty index of question no. 1 and 2 are moderate, while question no. 3 is difficult.
Co-Authors Ade Sudrajat Adi Husen Agistia Suci Lestari Ahmad Hassan Triaji Ajeng Rena Fujirahayu Anggita Tri Indahsari Anik Yuliani Ayu Rekno Kusuma Dewi Devi Nurul Yuspriati Dinda Rahmawati Dwi Yulianti Enny Putri Cahyani Euis Eti Rohaeti Fadhila Febriliana Fina Hanifa Hidayati Ghina Nurul Zannati Hanifah Novianty Indiraningrum Pratiwi Jozua Sabandar Lia Devi Meitasari Luvy Sylviana Zanthy M. Afrilianto Masruroh Handayani Pujiyanti Sahri Riana Riana Rida Siti Saripah Ridwan Yanwar Rima Aksen Cahdriyana Rizkiawati Anggraeni Rizky Rosjanuardi Rowiyah Rowiyah Wina Dwi Wulandari Winda Awaliyah Windi Melani Nursidiq Yuni Hajar