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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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ANALISIS KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA SMA PADA MATERI TRIGONOMETRI BERDASARKAN KEMAMPUAN AWAL MATEMATIS SISWA Nadia Putri Setiana; Nelly Fitriani; Risma Amelia
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 4, No 4 (2021): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v4i4.p%p

Abstract

This study aims to analyze the problem solving ability of high school students on trigonometry material. The method of this study is a qualitative descriptive method with the research subject of 30 students of class XI in one of the Kab. West Bandung. The data collection instrument used was in the form of a description test consisting of 4 questions with indicators of problem solving abilities. The results of student answers were analyzed using a scoring rubric which was compiled based on 4 indicators of problem solving ability, namely: 1) understanding the problem, 2) planning problem solutions, 3) implementing a settlement plan, 4) looking back. Then the data is processed by calculating the percentage of student achievement against each problem solving indicator. Based on the results of the study, it was found that students had not mastered the indicators of implementing the completion plan and looking back at the percentages 52.5% and 37.5% respectively. Students with high abilities and are making mistakes because students are less careful when solving problems with different error levels. Meanwhile, students with low abilities make mistakes due to a lack of student understanding of problems and concepts.
ANALISIS KESALAHAN SISWA DALAM MENYELESAIKAN SOAL TRIGONOMETRI SISWA KELAS XI SEMESTER 1 SMA PGRI 1 PURWAKARTA Rizki Mulyawati; Nelly Fitriani
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

The problem discussed in this study is to find and analyze the error factors experienced by students in solving trigonometric problems. The subjects in this study were selected by purposive sampling. Where the subjects sellection based on the student’s ability that divided into 3 levels, high ability, medium ability and low ability. There are 3 subjects in total. The research method used in this study is  case study method, and the research approach is qualitative research. The process of collecting data includes several methods, namely the documentation method, the method of testing the description as many as 5 problem descriptions, and the interview method. Then the steps in analyzing the data results are based on Anderson's mathematical knowledge dimensions which include 4 dimensions of knowledge, namely factual, procedural, conceptual and metacognition dimensions. The results obtained in the study were obtained from 5 problems description given based on the difficulty index of each item, students had difficulty in the type of questions number 3 and number 4, each getting a difficulty index of 0.25 which proves that all of the questions included hard. Difficulties experienced by students are in the dimensions of procedural knowledge and metacognition. In problem type number 3 students have difficulty in solving trigonometric problems in the form of states of graphs in the form of trigonometric functions students have different difficulties, namely in determining the types of trigonometric functions, reading graphs of trigonometric functions, and determining the elements contained in the student's chart still don't understand. In question type number 4 students have difficulty in trigonometric questions in the form of proof of trigonometric identity. In its completion students experience difficulties in several types of errors, such as understanding the concept of trigonometric identity, lack of student memory on types of trigonometric identities, and lack of student accuracy in completing forms of completion.
ANALISIS KESULITAN SISWA DALAM MEMAHAMI SOAL CERITA MATEMATIKA PADA MATERI PELUANG Iis Budiyanti Putridayani; Siti Chotimah
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 3, No 6 (2020): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v3i6.p%p

Abstract

This study has the aim of analyzing students' difficulties in understanding the story questions on the opportunity material. This type of research is descriptive research with a qualitative approach. The subjects of this research were 22 students of class XI SMAN 1 Cipeundeuy. Retrieval of data in this study was to use the results of the student's answer test based on the instrument of probability in the form of a description consisting of five items. The data processing in this research is by using the percentage formula to see the picture. From this research, it can also be concluded that students do not master the concept of opportunity so that students have difficulty solving the opportunity material story questions.
IDENTIFIKASI KEMAMPUAN SISWA SMP DALAM MENJELASKAN IDE MATEMATIS DENGAN GAMBAR DAN ALJABAR BERDASARKAN TEORI MASON, BURTON, DAN STACEY Shofiy Hanifah; Syamsuri Syamsuri; Aan Subhan Pamungkas
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 4, No 1 (2021): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v4i1.p%p

Abstract

This study aims to describe student’s skills in explaining mathematical ideas using pictures and algebra based on Mason, Burton, and Stacey theory to solve a polyhedral problem. This type of research is a qualitative descriptive study. The subject of this research is grade IX students of SMPN 7 Kota Serang. Data were collected by test and interview methods. The analysis technique used is using the theory of Mason, Burton, and Stacey which include specializing, generalizing, conjecturing, and convincing. The results of this research showing that the student’s skills in explaining mathematical ideas using pictures and algebra which can be classified into three types of answers, namely; 1) incomplete picture answer type where students cannot fulfill the thinking stage of specializing, generalizing, conjecturing, and convincing, 2) semi-complete picture answer type where students can fulfill the thinking stage of specializing, but difficult for fulfill the thinking stage of generalizing, conjecturing, and convincing, 3) complete picture answer type where students can fulfill the thinking stage of specializing, generalizing, and conjecturing, but still difficult for fulfill the thinking stage of convincing. These results are expected to be the teacher’s consideration in carrying out the learning process in the classroom, in determining methods and teaching materials, which are expected to be able to improve student’s skills and accuracy.
DESKRIPSI PERBEDAAN PENINGKATAN KEMAMPUAN KOMUNIKASI MATEMATIS ANTARA PENGGUNAAN MODEL PROBLEM BASED LEARNING DAN GUIDED DISCOVERY LEARNING DENGAN E-LEARNING Livia Eunike Paut; Sulistiawati Sulistiawati; Klara Iswara Sukmawati
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 4, No 2 (2021): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v4i2.p%p

Abstract

Mathematical communication ability is a mathematical ability have to own by students. Although, mathematical communication skills of student is still low. The ways to increase mathematical communication ability of students is applying problem based learning model (PBL) and guided discovery learning model (GDL). This research aimed to describe the differences of mathematical communication ability’ enhancement between PBL and GDL by E-learning. The research’s method is descriptive quantitative. The subject is student of mathematics education program and physics education program at STKIP Surya in academic year 2018/2019 from Ambon, that was separated into PBL class and GDL class, each of class contained 5 students heterogeneously. The instrument using in this research was test and observation sheet. The data analyzed using statistic descriptive and gain (the enhancement between pretest and posttest). The result of this research is the enhancement of mathematical communication skills of two classes is different, 15 for PBL and 14 for GDL.
STRATEGI PEMECAHAN MASALAH MATEMATIS SISWA PADA MATERI HIMPUNAN DI MASA PANDEMI COVID-19 Latifah, Neng Istiqomah Wardah; Sutirna, Sutirna
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

This study aims to analyze the use of mathematical problem-solving strategies used by student in solving math problems in the form of story problem on set materials when learning must be done online. This research using qualitative approach-descriptive methods. The research was conducted in grade VII SMP Negeri 2 Telukjambe Timur with 30 students. The instrument in this study consisted of two items problem solving abilities on the set material. The research subject were analyzed by referring to indicators of mathematical problem solving strategies according to Polya and Pasmep which consisted of trial and error strategies, making pictures or diagrams, finding pattern, and logical thinking. The data analysis technique in this research is using descriptive analysis which consists of the stages of reducing the data, presenting the data and drawing conclusions. The result showed that of the 30 students who took the test via WhatsApp as a media, most of the student completed the test by implementing a trial and error strategy. As for the details of using strategy in completing the test were as many as 46,60% of the students solve the problem with a trial and error strategy; 6,65% of the students with strategies to make pictures or diagrams; 23,30% of the students with strategies to find patterns, and 23,30% of the students with strategies think logically.
ANALISIS KESALAHAN PADA MATERI BARISAN DAN DERET DITINJAU DARI KEMAMPUAN PEMAHAMAN KONSEP DENGAN PEMBERIAN MATERI VIDEO PEMBELAJARAN Wijayanto, Teguh Ari; Munandar, Dadang Rahman
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

This research was conducted because based on the results of observations, there were still many students who made mistakes in solving math problems from their ability to understand mathematical concepts and analyze the causative factors. This research is a descriptive study with a qualitative approach. The subject of this research was class XI MIPA 4 which was selected by purposive sampling for students with high, medium, and low level abilities and focused on the material of Sequences and Series. The instruments used in data collection were in the form of field notes during practice, tests, and documentation. The data were analyzed using a scale 4 analytic rubric according to Subanji and Mulyoto and an interactive model consisting of data reduction, data presentation and conclusion drawing. The results of the study showed that in solving the sequence and series questions the students made many misconceptions (KK) as many as 27 students. The factors that cause these errors are the learning process is less effective, less thorough in working on questions, readiness of students in participating in the learning process, facilities and infrastructure that support student learning in their respective homes, and students' understanding of the line and series material.
ANALISIS KEMAMPUAN PEMECAHAN MASALAH MATEMATIKA DITINJAU DARI SELF-EFFICACY SISWA PADA MATERI SISTEM PERSAMAAN LINEAR TIGA VARIABEL Imaroh, Abidatul; Umah, Ulumul; Asriningsih, Tafsillatul Mufida
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 4, No 4 (2021): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v4i4.p%p

Abstract

System of linear equations in three variables is a material in high school that is easy to relate to daily life problems. However, there are still findings that show students' difficulties and errors in solving the problems. Students' disbelief in their ability to solve problems is thought to be an obstacle for students, but further research is needed to prove it. This study aims to describe students' problem solving abilities on system of linear equations in three variables material their self-efficacy in terms of their self-efficacy towards their ability to solve mathematical problems. The subjects in this study were students of class X MAU Darul 'Ulum Jombang. The research method was a mixed of quantitative and qualitative. Quantitative methods are used to analyze data on the level of self-efficacy obtained through giving questionnaires to all students to determine the subject to be studied further. Qualitative methods were used to analyze test results and interview data on the problem-solving abilities of four students who were selected based on four categories of self-efficacy levels. The results showed that students who were in the higher self-efficacy category tended to have better problem solving abilities.
ANALISIS KESALAHAN SISWA DALAM MENYELESAIKAN PERMASALAHAN TRIGONOMETRI DITINJAU DARI GENDER BERDASARKAN NEWMAN Savitri, Dhea Ayunda; Yuliani, Anik
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 research was held to find the factors behind Students'error, which later will be classified into high, average, and low capability, and the influence of gender on  finishing trigonometry problem-based test. The writer used qualitative descriptive research design. The subject of this research consisted of 36 Students', which later will be sorted into a group of 6 containing 3 male and 3 female Students'. The writer used interview as the data collection technique for this research. And the data analysis technique was divided into three steps: data reduction, data presentation, and data verification-conclusion. Analysis framework was developed using the Newman Theory. The results of t his research shows that there are different kind of errors conducted by male and female students. Female students made less errors in comprehension and process skill steps than the male students. Meanwhile on transformation and encoding steps, male students Made less errors than the female students.
ANALISIS KESALAHAN SISWA SMP DALAM MENYELESAIKAN SOAL MATERI SISTEM PERSAMAAN LINIER DUA VARIABEL BERDASARKAN TAKSONOMI BLOOM DENGAN MENGGUNAKAN TEORI POLYA Sugiarto, Almira Nurfarisi; Afrilianto, M.
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol 4, No 4 (2021): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v4i4.p%p

Abstract

This study aims to identify and describe student errors in working on a two-variable system of linear equations in class VIII SMP students. This study uses a qualitative descriptive research with a description test instrument consisting of 3 questions using the level of thinking ability Bloom's Taxonomy, namely, C3 represents middle-level ability and C4 and C5 represents higher-order thinking ability. The subjects in this study were 17 students of class VIII of one of the public junior high schools in West Bandung Regency. This study uses Polya's analytical theory to interpret the results of the data presented in the form of a percentage based on the stages of difficulty in solving story problems. The results of this study show that the interpretation of the difficulties experienced by students in getting interpretations at the Bloom Taxonomy level C3 is good, C4 and C5 is lacking, with errors that are influenced by student errors, namely: conceptual errors, errors in translating story questions, incomplete mastery of material, mistakes in steps. solutions and errors in calculations.

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