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PENINGKATAN HASIL BELAJAR MATEMATIKA MENGGUNAKAN PENDEKATAN DISCOVERY LEARNING PADA MATERI BARISAN DAN DERET KELAS X REKAYASA PERANGKAT LUNAK Eko Hendi Prabowo; Puji Nurfauziah; Masta Hutajulu
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 5, No 5 (2022): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v5i5.10863

Series and sequences one of the most important sub-topics in mathematics since students frequently make mistakes or forget formulae when solving problems, which has an impact on learning results. This study tries to explain how a discovery learning strategy at the vocational high school level improved student learning results in class X. This study is an example of classroom action research. The class X pupils at one of the Cimahi Vocational High Schools served as the study's subjects to determine whether the instructor has a direct impact on the learning process. With the Discovery learning strategy, this project seeks to enhance students mathematics learning results. According to the analysis of learning outcomes and completeness scores, cycle I students mathematics learning outcomes demonstrated a moderate level of material mastery with only 33% of students completing them, whereas cycle II students' mathematics learning outcomes demonstrated a high level of material mastery with 75% of students completing them. The class X SMK's mathematics learning outcomes can be enhanced by the discovery learning technique.

ANALISIS KESALAHAN SISWA SMA DAN SMK PADA MATERI BANGUN RUANG SISI DATAR BERDASARKAN KEMAMPUAN SPASIAL SISWA Geraldi Valeska Heryadi Putra; Rippi Maya; Ratni Purwasih; Nelly Fitriani; Puji Nurfauziah
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 5, No 6 (2022): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v5i6.10841

In this study, the purpose of analyzing how students' mistakes in building flat side rooms based on spatial abilities. This type of research is descriptive and qualitative. The sample used was 4 students which included 2 high school students in class XII with female gender, and 2 students of SMK class XII with male gender. The data collection technique is in the form of an instrument with a spaceability test, which consists of 4 description questions. The analysis technique used is based on watson criteria. Referring to Watson's criteria, students still make 4 mistakes caused due to several internal and external factors, these errors include incorrect data, improper procedures, skill hierarchy problems, and errors other than the seven above.

PENGARUH MODEL PROBLEM BASED LEARNING TERHADAP KEMAMPUAN PEMAHAMAN MATEMATIS SISWA SMP KELAS VII PADA MATERI PERTIDAKSAMAAN LINEAR SATU VARIABEL Kalvia Shania Ramadhania; Nelly Fitriani; Puji Nurfauziah; M. Afrilianto
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 5, No 5 (2022): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v5i5.11018

The purpose of the study was to analyze and determine the effect of the problem based learning model on the mathematical understanding ability of junior high school students on the material of one variable linear inequalities. This research is a classroom action research, which was carried out for 2 cycles. The subjects in this study were students of class VII-I of SMP Negeri 1 Cipatat in the academic year 2021/2022 with a total of 16 students. The test instrument used in the form of a description of the problem using indicators of mathematical understanding ability as many as 4 numbers on the material of one variable linear inequalities. How to process the data in the study obtained from normalized gain data, with the results of student answers in this study a score of 0.60. This shows that the students' mathematical understanding ability is increasing, with a moderate category. The non-test instrument used in the form of a scale questionnaire of students' interest in learning mathematics as many as 14 statement items containing balanced positive and negative statements. The result of the response of students' interest in learning mathematics has a strong influence on the achievement of students' mathematical understanding, which is 76.3 with a strong category.

ANALISIS KEMAMPUAN BERPIKIR KREATIF SISWA SMK KELAS XI PADA MATERI PERPANGKATAN, BENTUK AKAR DAN LOGARITMA Hoerul Rahman; Rippi Maya; Puji Nurfauziah
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.v6i2.11165

Mathematical creative thinking is the ability to think with the aim of solving a problem with various ideas, generating various ideas, being able to create new ways that are not the same as other people and also being able to develop ideas or ideas. The purpose of this research is to analyze the mathematical creative thinking skills of SMK students in West Bandung with the indicators used consisting of 4 components, such as (1) Fluency; (2) Flexibility; (3) Originality; and (4) Elaboration. This research used a descriptive qualitative method and subject of this research is 10 students in the Vocational High Schools in West Bandung, the instruments used in this study are 5 items of material power, roots, and logarithms. Based on the results of the analysis of the percentage of completeness in this study, it was found that the creative thinking ability of students was still relatively low so further research was needed on students' creative thinking abilities with the aim of producing data that could be used as material for analysis and evaluation in producing what kind of learning model could improve students' mathematical creative thinking skills.

LEARNING OBSTACLE : SISWA MTs. KELAS VIII DALAM MENYELESAIKAN SOAL MATERI BARISAN DAN DERET ARITMATIKA BERDASARKAN LEVEL KOGNITIF HOTS Lusiana Tika Syafitri; Nelly Fitriani; Puji Nurfauziah
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.v6i3.17566

This study aims to further examine learning obstacles: MTs.class VIII students in solving arithmetic sequence and series material problems based on the cognitive level of HOTS (High-Order Thinking Skills) with the aim of analyzing and describing the location of errors experienced by students in completing material problems in the Rows and Arithmetic Series material. In this study, the method used was descriptive qualitative. The subjects in this study were MTs. class VIII students in Cikembang, Bandung Regency for the 2021-2022 academic year. The data collection technique was carried out by providing 5 questions of the description test with the criteria of the HOTS cognitive level. With the indicators used are (1) Finding the nth term of the arithmetic row of an already given row (C4). (2) Create the nth pattern and tribe of an arithmetic series (C6). (3) Comparing the differences and nth tribes on the arithmetic sequence (C5). Based on the results of the analysis, it is stated that there are some difficulties for students when solving arithmetic rows and series questions on the indicator of question number 2 is relatively high, namely the indicator Making patterns and nth tribes of an arithmetic series with an error percentage of 85%. Furthermore, question number 4 shows the indicator Solving contextual problems related to the nth term of the arithmetic sequence with an error percentage of 75%.

ANALISIS KEMAMPUAN KOMUNIKASI MATEMATIS SISWA VIII SMP PADA MATERI PERSAMAAN GARIS LURUS BERDASARKAN GENDER Nenden Fatimah; Nelly Fitriani; Puji Nurfauziah
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.v6i3.15349

The purpose of this study is to identify and analyze the mathematical communication abilities of junior high school students in grade VIII.. In this study, a descriptive qualitative research type was used. The subject are 25 students in class VIII at SMP Negeri 36 Bandung, 13 of whom are female and 12 of whom are male.. The data collection technique is 3 questions in the form of descriptions, each of which represents an indicator of mathematical communication ability. The data processing technique is to analyze the mathematical communication ability of straight line equations in terms of gender in each indicator. Based on the results of the analysis, it was obtained that the average score of male students was 40.0% and that of female students was 60.0% in straight line equation material. So with that difference, it can be said that the mathematical communication ability of female students is higher than that of male students.

LEARNING OBSTACLE: SISWA MTs KELAS VIII DALAM MENYELESAIKAN SOAL MATERI BARISAN DAN DERET ARITMATIKA BERDASARKAN LEVEL KOGNITIF HOTS Lusiana Tika Syafitri; Nelly Fitriani; Puji Nurfauziah
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.v6i3.17566

This study aims to further examine learning obstacles: MTs.class VIII students in solving arithmetic sequence and series material problems based on the cognitive level of HOTS (High-Order Thinking Skills) with the aim of analyzing and describing the location of errors experienced by students in completing material problems in the Rows and Arithmetic Series material. In this study, the method used was descriptive qualitative. The subjects in this study were MTs. class VIII students in Cikembang, Bandung Regency for the 2021-2022 academic year. The data collection technique was carried out by providing 5 questions of the description test with the criteria of the HOTS cognitive level. Based on the results of the analysis, it is stated that there are some difficulties for students when solving arithmetic rows and series questions on the indicator of question number 2 is relatively high, namely the indicator Making patterns and nth tribes of an arithmetic series with an error percentage of 85%. Furthermore, question number 4 shows the indicator Solving contextual problems related to the nth term of the arithmetic sequence with an error percentage of 75%.

ANALISIS KEMAMPUAN KOMUNIKASI MATEMATIS SISWA VIII SMP PADA MATERI PERSAMAAN GARIS LURUS BERDASARKAN GENDER Nenden Fatimah; Nelly Fitriani; Puji Nurfauziah
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.v6i3.15349

The purpose of this study is to identify and analyze the mathematical communication abilities of junior high school students in grade VIII.. In this study, a descriptive qualitative research type was used. The subject are 25 students in class VIII at SMP Negeri 36 Bandung, 13 of whom are female and 12 of whom are male.. The data collection technique is 3 questions in the form of descriptions, each of which represents an indicator of mathematical communication ability. The data processing technique is to analyze the mathematical communication ability of straight line equations in terms of gender in each indicator. Based on the results of the analysis, it was obtained that the average score of male students was 40.0% and that of female students was 60.0% in straight line equation material. So with that difference, it can be said that the mathematical communication ability of female students is higher than that of male students.

Live Worksheet Realistic Mathematics Education Berbantuan Geogebra: Meningkatkan Abstraksi Matematis Siswa SMP pada Materi Segiempat Nelly Fitriani; Isna Sani Hidayah; Puji Nurfauziah
JNPM (Jurnal Nasional Pendidikan Matematika) Vol 5, No 1 (2021)
Publisher : Universitas Swadaya Gunung Djati

Abstrak. Pembelajaran secara daring merupakan salah satu cara mengajar yang efektif saat kondisi pandemi seperti saat ini, namun tentunya pembelajaran harus dikemas dengan baik, salah satunya seperti pada penelitian ini. Penelitian ini bertujuan untuk mengembangkan bahan ajar menggunakan live worksheet berbasis realistic mathematics education (RME) berbantuan geogebra yang validitasnya baik dan juga praktis, kemudian menelaah pencapaian kemampuan abstraksi dengan menggunakan bahan ajar tersebut. Metode penelitian yang digunakan adalah pengembangan, dengan subjek yaitu siswa SMP. Instrumen yang digunakan yaitu lembar validasi, lembar observasi dan soal tes abstraksi. Teknik pengolahan data yang digunakan adalah dengan mengolah data menggunakan rumus validasi dan praktikalisasi dan menggunakan uji t satu pihak. Hasil penelitian yang diperoleh yaitu 1) bahan ajar sangat valid, dengan rata-rata penilaian validator sebesar 85% (bahan ajar sudah dapat digunakan), terlebih dalam pembelajaran daring seperti saat ini; 2) bahan ajar sangat praktis untuk digunakan, dengan rata-rata penilaian yang diberikan oleh siswa sebesar 82%; 3) pencapaian kemampuan abstraksi siswa kelas yang menggunakan pembelajaran dengan bahan ajar live worksheet berbasis RME berbantuan geogebra lebih baik dari pada yang menggunakan pembelajaran saintifik. Rekomendasi yang dapat diberikan adalah penggunaan live worksheet berbasis RME berbantuan geogebra menunjukkan hasil yang signifikan terhadap pembelajaran dan kemampuan abstraksi siswa.Kata Kunci: realistic mathematics education, geogebra, live worksheet, abstraksi matematis, segiempat

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