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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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PENGARUH MODEL PEMBELAJARAN KOOPERATIF TIPE NUMBERED HEAD TOGETHER (NHT) TERHADAP KEMAMPUAN PEMAHAMAN MATEMATIS PESERTA DIDIK KELAS VII SMP Siti Alfina; Sutirna Sutirna; Nita Hidayati
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.v5i5.12500

Abstract

This study aims to see whether the achievement and improvement of students' mathematical understanding skills who received NHT cooperative learning were better and higher than students who received expository learning and to see how much influence the NHT cooperative learning model had on the students' understanding abilities of the experimental class. . This study uses a quantitative approach with the method used is an experiment. The population in this study were seventh grade junior high school students. The sampling technique used is total sampling. The research design used was a quasi-experimental design, the nonequivalent pretest-posttest control group design. The instruments used were test instruments and unstructured interviews. The data obtained will be analyzed by statistical tests in the form of normality test, homogeneity test, t-test, Mann-Whitney test, n-gain test and effect size. The results of the posttest data analysis showed the value of sig. of 0.005 and the n-gain data shows the value of sig. of 0.00 then Ho is accepted and Ha is rejected. This means that the achievement and improvement of students' mathematical understanding skills using the NHT learning model is better and higher than students using expository learning. The large influence of the NHT type cooperative learning model on the mathematical understanding ability of experimental class students obtained through the effect size test is 0.89 with the criteria classified as large.
MENINGKATKAN KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA MENGGUNAKAN PENDEKATAN SCIENTIFIC DENGAN MODEL COOPERATIVE LEARNING TIPE STAD Nurul Azizah; M. Afrilianto; Asep Ikin Sugandi
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.v5i6.10621

Abstract

The purpose of this study is to analyze the effect of applying a scientific approach through a cooperative learning model of the Student Teams Achievement Division (STAD) type on the mathematical problem solving ability of high school students on the subject matter of a three-variable linear equation system. The research used is classroom action research (CAR), with the subjects used are students of class X-IPS SMA Leppesa 2 Cililin with a total of 43 people. The instruments applied were in the form of test instruments, namely pretest and posttest, non-test instruments in the form of student and teacher activity observation sheets, and student response questionnaires related to learning. The data processing technique in this study is to see the percentage of students' completeness in each cycle. The results showed that there was an increase from the application of the STAD model scientific approach to students' mathematical problem solving abilities in the Three Variable Linear Equation System material.
PENGARUH PENDEKATAN SAINTIFIK TERHADAP KEMAMPUAN PEMAHAMAN MATEMATIS SISWA KELAS VII SMP IT BUDI LUHUR CIMAHI PADA MATERI BENTUK ALJABAR Dewi Ramadhona; Heris Hendriana; Rippi Maya; M. Afrilianto
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.v5i6.11032

Abstract

This research is a classroom action research with stages that include planning, implementing action, observing, and reflecting. This study aims to describe how to improve students' mathematical understanding skills when using a scientific approach to algebraic form material. This research was conducted on 21 students of grade VII SMP IT Budi Luhur academic year 2021/2022. The instrument used in this study was 5 questions referring to the indicators of understanding ability given at the beginning of learning and at the end of learning, which were then analyzed by calculating the average value of each question that would be done with Ms. Excel. Data processing was carried out using qualitative descriptive analysis. The results showed that the ability of mathematical understanding can be improved using a scientific approach. 
KEMAMPUAN PENALARAN MATEMATIS SISWA DITINJAU DARI SELF-EFFICACY PADA MATERI RELASI DAN FUNGSI Addini Nurussalamah; Rina Marlina
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.v5i5.10888

Abstract

This study aims to describe the mathematical reasoning ability of students in terms of their level of self-efficacy. The research sample in this study amounted to 6 students based on the categorization of the level of self-efficacy. The instrument used is a matter of mathematical reasoning ability, interview guidelines, and a self-efficacy questionnaire. This study uses a qualitative approach with a descriptive type of research. The researcher explained the data that had been collected during the research related to the mathematical reasoning ability in terms of the self-efficacy of each student. Based on the research data, the conclusions can be briefly summarized that: (1) students who have high self-efficacy have good mathematical reasoning abilities (2) students who have moderate self-efficacy have fairly good and high mathematical reasoning abilities, (3) students who have moderate self-efficacy Some who have low self-efficacy have a good level of mathematical reasoning ability and some have low mathematical reasoning abilities. So that the level of self-efficacy is not always a reference in the level of students' mathematical reasoning abilities.
MODEL PEMBELAJARAN INKUIRI DAN DISCOVERY DALAM KEMAMPUAN REPRESENTASI MATEMATIS SISWA Imam Setiadi Putra
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.v5i5.11981

Abstract

This study aims to determine the use of Inquiry and Discovery learning models in improving students' mathematical representation abilities. This research is a quantitative experimental research. The population in this study, namely class X at one of the high schools in Bima Regency in the 2021/2022 school year. The research sample is class X IPA 1 who gets the Inquiry learning model (experiment 1) as many as 30 students, and class X IPA 2 who gets the Discoveri learning model (experiment 2) with as many as 30 students. The data collection techniques in this study were using observation, interviews and tests, while the research instrument used a test instrument. The data analysis technique in this study used the Normality Test, Homogeneity, N-Gain Test, t-test. The research results are: 1) Inquiry and discovery learning models can improve students' mathematical representation abilities; 2) The use of the discovery learning model is better than the inquiry learning model in improving students' mathematical representation abilities.
ANALISIS KEMAMPUAN PEMECAHAN MASALAH MATEMATIS PADA MATERI PERSAMAAN DAN PERTIDAKSAMAAN NILAI MUTLAK Talsyah Syahidiah; Nita Hidayati
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.v5i6.12105

Abstract

The purpose of this study is to describe, analyze, and interpret mathematical problem solving skills with absolute value equations and inequalities. This study uses a descriptive qualitative research design. This research was conducted in one of the SMA/MA in the city of Karawang, with the research subjects of 29 students of class X MIPA who had studied absolute value equations and inequalities. The data collection technique of this research is a written test instrument in the form of a description with a total of four questions. Before starting the data analysis, the validity of the questions has been done first. Based on the research findings, there are various kinds of errors in solving problems involving absolute value equations and inequalities. On the indicator of understanding the problem getting 22.8%, indicators implementing plans 15.1%, indicators completing plans 45.2%, and indicators checking back as much as 17%. Therefore, the mathematical problem solving ability of X MIPA students in one of the SMA/MA in Karawang city is classified as moderate in all indicators of mathematical problem solving ability.
ANALISIS KESALAHAN SISWA SMP KELAS VIII DALAM MENYELESAIKAN SOAL PEMECAHAN MASALAH MATEMATIS MATERI SISTEM PERSAMAAN LINEAR DUA VARIABEL Metha Puspita Sari Gunawan; Tina Rosyana
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.v5i6.10794

Abstract

Students who are at the viiith level of junior high school must learn the Two-Variable Linear Equation System (SPLDV). The reason for the study was to see the mistakes of students when working on material problems of the Two-Variable Linear Equation System (SPLDV) using a problem-solving approach. Participants in this study were 32 students of class VIII of SMPN 1 Cililin consisting of 14 men and 18 women. The procedure for the information collection process uses a written exam which is an overview of 5 questions that show problem-solving skills. The data investigation is completed by examining the results of the experiment, then proceeding with drawing conclusions. from this review it can be seen that there are some learners who have misrepresented the question of portrayal of SPLDV material. Based on the studies conducted, there are aspects that trigger students' mistakes in responding to questions, including: 1) Students do not answer questions according to the established strategy. 2) Students are less careful in doing mathematical calculations to complete the theoretical formulations that have been designed and 3) Students do not see the answer again, as a result of which they do not follow a methodical process.
MENINGKATKAN HASIL BELAJAR SISWA SMP KELAS VIII PADA MATERI PERSAMAAN GARIS LURUS MELALUI PEMBELAJARAN DARING MENGGUNAKAN PENDEKATAN SAINTIFIK BERBANTUAN SOFTWARE GEOGEBRA Trinuraini Trinuraini; 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.v5i5.10741

Abstract

This study intends to examine the improvement of the learning outcomes of middle school students in grade VIII on straight-line equation material. The sample taken by students as many as 40 students of class VIII at SMP Negeri 4 Cimahi. Classroom action research consists of 2 cycles, each cycle consists of 2 meetings. Students are given preliminary tests on straight-line equation materials to find out the initial ability before classroom action research, cycle I and cycle II (after action) tests, and observation sheets for teachers and students. The stages of this research approach include the stages: action planning, execution of actions, observation and assessment, and reflection. The data processing technique in this study is to find the average value using Microsoft Exel. In cycle I with an average value of 78.85 and cycle II with an average value of 90 experienced an increase of 11.15 from the results of cycle I. It was concluded that learning outcomes through online learning using short students in grade VIII straight line equations can be improved by assisting geogebra software.
KEMAMPUAN SPASIAL MAHASISWA MENGGUNAKAN GEOGEBRA PADA IRISAN KERUCUT Revi Lestari Pasaribu; Dede Suratman
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.v5i6.11961

Abstract

This study aims to describe the spatial ability of student to use GeoGebra in solvinf space geometry problems, especially in conical slices. The specific objective of this study are a) explaining the fluency of student using GeoGebra in solving problem in cone slices in the space analytical geometry lecture. The qualitative research method provides problems related to cone slices, which are then solved using GeoGebra. The research subjects are mathematics education students majoring in Mathematics and Natural Sciences Education (PMIPA) Faculty of Teacher and Education (FKIP) Tanjungpura University (Untan). They are studying spatial analytical geometry in the 2020/2021 year totaling 18 students. In this study, the instrument used was an instrument in the form of cone slice questions with its completion using GeoGebra; the instrument was designed to see the spatial ability of students based on five indicators. Through this research, the results were obtained that students fluency in using GeoGebra, in general is quite good, as well as students spatial abilities.
PENERAPAN MODEL PBL TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA SMP KELAS VII PADA MATERI HIMPUNAN Dinda Rahmawati; Aflich Yusnita Fitrianna; M. Afrilianto
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.v5i6.11050

Abstract

This study aims to apply the Problem Based Learning (PBL) model on students' mathematical problem solving abilities. This research is a classroom action research (CAR). This research was conducted on 21 students Junior Highschool of class VII around Bandung district in the 2021/2022 academic year. The material used is a sets. The instruments used are test and non-test. The test instrument used is a problem-solving ability test in the form of a pretest and a posttest of 5 questions in the form of a description of the set material to determine the effect of the model used with the abilities. The non-test instrument used was a 10-scale interest in mathematics questionnaire which contained negative statements and positive statements. This research was carried out in 2 cycles, each cycle consisting of two meetings. The procedure in this research consists of 1) Plan, 2) Action, 3) Observation, and 4) Reflection. Student learning outcomes in this study obtained N-Gain data in the average category with a score of 0.79 and concluded that the application of the Problem Based Learning model had an effect on the mathematical problem solving abilities Junior Highschool of class VII.

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