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Jurnal Absis : Jurnal Pendidikan Matematika dan Matematika
Published by Universitas Pasir Pengaraian
ISSN : 26554518     EISSN : 26548739     DOI : https://doi.org/10.30606/absis
Core Subject : Education,
Mathematics
Jurnal Absis adalah jurnal penelitian yang dikelola oleh program studi Pendidikan Matematika Universitas Pasir Pengaraian. Absis diambil dari istilah matematika yang merupakan jarak titik terhadap sumbu tegak. Jurnal Absis memuat artikel hasil penelitian atau kajian literatur dalam bidang pendidikan matematika dan matemtika. Jurnal absis terbit dua kali dalam satu tahun yaitu pada bulan April dan Oktober. Jurnal Absis diharapkan dapat menjadi tempat bagi peneliti pendidikan matematika atau matematika utamanya bagi dosen Pendidikan Matematika Universitas Pasir Pengaraian, dosen berbagai universitas, maupun guru untuk mempublikasikan artikel ilmiahnya. Jurnal Absis merupakan terbitan berkala yang dapat diakses secara terbuka oleh pembaca untuk mendukung tumbuh kembangnya ilmu pengetahuan, terutama dalam bidang Pendidikan matematika dan matematika.
Arjuna Subject : Umum - Umum
Articles 203 Documents
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Development of discovery learning-based student worksheets to facilitate critical thinking skills in phase D students Hafshoh; Suanto, Elfis; Armis
Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika Vol. 7 No. 2 (2024): Jurnal Absis (In Press)
Publisher : Program Studi Pendidikan Matematika Universitas Pasir Pengaraian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30606/absis.v7i2.2588

Abstract

The aim of this development research is to design discovery learning-based student worksheets (LKPD) to facilitate the mathematical critical thinking skills of Phase D students by meeting validity and practicality criteria. This study is motivated by the crucial role of critical thinking skills in students' education. The research employs a development method (R&D) following the 4-D model (define, design, develop, and disseminate). The study involved 15 students from Babussalam Junior High School, Pekanbaru, as the test subjects. Research instruments included a validation questionnaire to assess the validity of the LKPD and a student response questionnaire to evaluate its practicality. Based on the expert validator's analysis, the validity score was 94.43%, indicating the LKPD is highly valid. Meanwhile, the practicality score, derived from the student response questionnaire, was 87.98%, categorizing the LKPD as highly practical. Thus, the development of discovery learning-based LKPD is recommended for use in learning activities related to circle content to enhance the critical thinking skills of Phase D students.
Analysis of the linear navier stokes korteweg model with neumann boundary conditions in three dimensional half-space Khasanah, Dwi Windari Nur; Inna, Suma; Wijaya, Madona Yunita; Hasanah, Sri Indriati
Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika Vol. 7 No. 1 (2024): Jurnal Absis
Publisher : Program Studi Pendidikan Matematika Universitas Pasir Pengaraian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30606/absis.v7i1.2589

Abstract

This study discusses the solution of the Navier-Stokes Korteweg model, which describes two-phase fluid flow with capillary effects, with Neumann boundary conditions in the half-space. The main objective is to detail the resolution process of the resolvent equation system in the half-space related to the Navier-Stokes Korteweg model with Neumann boundary conditions. The resolution is carried out in several steps. First, the resolvent equation system is reduced using even and odd extensions. Then, a partial Fourier transform is applied, resulting in a simpler ordinary differential equation. The findings of this research indicate the existence of a solution operator for the resolvent equation of the Navier-Stokes Korteweg model with Neumann boundary conditions in the half-space. This solution applies for two cases involving the coefficients, depending on certain conditions related to the fluid properties.
Developing problem-based learning modules for flat-sided geometry to facilitate students' mathematical connection skills Ali, Elsiska Ningsi; Armis; Saragih, Sehatta
Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika Vol. 7 No. 1 (2024): Jurnal Absis
Publisher : Program Studi Pendidikan Matematika Universitas Pasir Pengaraian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30606/absis.v7i1.2597

Abstract

This development study aims to produce a problem-based learning module on flat-sided geometry designed to enhance students' mathematical connection skills in Phase D. The teaching module consists of three main sections: the core, general information, and appendices. Given the limitations in students' mathematical connection skills, it is essential for teachers to use effective learning models. Problem-based learning focuses on real-world problems as the central point of instruction, helping students connect lessons to practical, everyday situations. This study followed the 4D development model, which includes the stages of define, design, develop, and disseminate. Product validation was conducted by three validators, who provided feedback for improvements. The readability of the student worksheets was tested through one-on-one trials with three students. Additionally, small-group trials involving 15 Phase D students from MTsN 4 Kampar were conducted to assess the module's practicality. The validation results showed an average score of 3.58, indicating the module is highly valid. The practicality test resulted in an average score of 87.5%, classifying the module as very practical. These findings demonstrate that the developed module can effectively improve students' mathematical connection skills. Furthermore, teachers can use this product as a teaching tool for the flat-sided geometry material in the mathematics learning process.
Improving mathematical problem-solving skills in ratio through the application of problem-based learning Maharani, Zulfa; Sakur; Armis
Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika Vol. 7 No. 2 (2024): Jurnal Absis (In Press)
Publisher : Program Studi Pendidikan Matematika Universitas Pasir Pengaraian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30606/absis.v7i2.2602

Abstract

The main objectives of this study were to improve the quality of learning activities and enhance students' skills in Mathematical Problem Solving Skills. The research was conducted during the even semester of the 2023/2024 school year by implementing classroom action research over two cycles on ratio content. The subjects of this study were 41 students from class VII-3 of SMPN 42 Pekanbaru. The learning tools used in the study included the Flow of Learning Objectives, teaching modules, learner worksheets, teaching materials on ratio content, and assessment tools. The data collection instruments consisted of learner and teacher activity sheets and tests for assessing Mathematical Problem Solving Skills. Data analysis on the improvement of the learning process was obtained based on the activity sheets from both learners and teachers. Additionally, the improvement of students' Mathematical Problem Solving Skills was assessed through tests conducted at the end of each cycle. The results of the observation sheets from cycles I and II showed that the learning process improved with each meeting. The students' scores in Mathematical Problem Solving Skills increased from the initial test to the cycle I test by 11.73 points, with an initial average of 43.69 and a cycle I test average of 55.42. From the cycle I test to the cycle II test, there was an increase of 18.25 points, with an average score of 73.67 in the cycle II test. Therefore, the results of this research, conducted using the Problem-Based Learning model, indicate a potential to improve the learning process and enhance students' problem-solving skills.
Improving mathematical performance through the problem-based learning model Irawan, Melati Putri; Anggraini, Rini Dian; Syofni
Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika Vol. 7 No. 2 (2024): Jurnal Absis (In Press)
Publisher : Program Studi Pendidikan Matematika Universitas Pasir Pengaraian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30606/absis.v7i2.2606

Abstract

This study addresses the low mathematics achievement levels among students in class VIII.2 at SMP Negeri 35 Pekanbaru during the 2023/2024 academic year. The research aims to enhance the learning process and improve mathematics achievement by implementing the Problem-Based Learning (PBL) model. This study employs Classroom Action Research to identify problems and implement targeted actions to resolve them. The subjects comprised 19 male students and 20 female students with heterogeneous ability levels. The research instruments included the Flow of Learning Objectives, Teaching Modules with attached Student Worksheets, Diagnostic Assessments, Formative Assessments, and Summative Assessments. Observation sheets and learning outcome tests were used for data collection. The results indicate significant improvements in the learning process across cycles, as demonstrated by increased mathematics achievement. The number of students meeting the Learning Objective Achievement Criteria rose from 17 students (43.59%) in Cycle I to 25 students (64.10%) and further to 29 students (74.36%) in Cycle II. The study concludes that the application of the PBL model effectively improved both the learning process and mathematics achievement in class VIII.2 at SMP Negeri 35 Pekanbaru during the 2023/2024 academic year, particularly on the topic of the System of Linear Equations in Two Variables.
Implementation of the problem-based learning model to improve students' mathematical problem-solving skills Kholisah, Saniah Afiqoh; Anggraini, Rini Dian; Kartini
Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika Vol. 7 No. 2 (2024): Jurnal Absis (In Press)
Publisher : Program Studi Pendidikan Matematika Universitas Pasir Pengaraian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30606/absis.v7i2.2622

Abstract

This study aims to improve the learning process and students' mathematical problem-solving skills through the implementation of the Problem-Based Learning (PBL) model. The research employed a classroom action research design, conducted over two cycles in collaboration with a mathematics teacher. The subjects were students of class IX B at UPT SMP Negeri 2 Bangkinang Kota during the first semester of the 2023/2024 academic year. Research instruments included mathematical learning tools (syllabus, lesson plans, and student worksheets) and data collection tools (observation sheets and mathematical problem-solving tests). Data analysis combined qualitative descriptive analysis and quantitative descriptive statistical analysis. The results indicate that the implementation of PBL improved both the learning process and students' mathematical problem-solving skills. The average N-gain score increased from 0.42 (medium classification) in cycle I to 0.72 (high classification) in cycle II. Furthermore, the students' average score improved from 63.44 in cycle I to 84.56 in cycle II. These findings conclude that the Problem-Based Learning model effectively enhances the learning process and mathematical problem-solving skills of class IX B students at UPT SMP Negeri 2 Bangkinang Kota.
Development of contextual approach-based student worksheets to facilitate mathematical problem-solving skills in systems of linear equations in two variables Wahyuni, Sri; Heleni, Susda; Murni, Atma
Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika Vol. 7 No. 1 (2024): Jurnal Absis
Publisher : Program Studi Pendidikan Matematika Universitas Pasir Pengaraian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30606/absis.v7i1.2625

Abstract

Dasar permasalahan dari penelitian ini yaitu kemampuan pemecahan masalah matematis yang siswa miliki tergolong rendah. Penelitian ini bermaksud untuk memproduksi LKPD berbasis pendekatan kontekstual untuk memfasilitasi kemampuan pemecahan masalah matematis pada materi SPLDV SMP/MTs kelas 8 yang memenuhi kriteria valid dan praktis. Penelitian pengembangan dilaksanakan dengan berpedoman pada model 4D yang terdiri atas empat tahapan yaitu tahap Define (pendefenisian), tahap Design (perancangan), tahap Development (pengembangan) dan tahap Disseminate (penyebaran). Subjek penelitian melibatkan peserta didik kelas 8 SMP Babussalam Pekanbaru dengan rincian 3 orang peserta didik pada tahap one to one, 6 orang peserta didik pada uji coba kelompok kecil dan 25 peserta didik pada uji coba kelompok besar. Teknik pengumpulan data yang digunakan adalah data validitas LKPD dan praktikalitas. Penelitian ini memanfaatkan instrumen data validitas berupa lembar validasi dan instrumen data praktikalitas berupa angket respon siswa. Hasil skor validitas LKPD yang didapatkan sebesar 3,6 dan dikategorikan sangat valid. Sementara itu, hasil skor angket respon peserta didik untuk uji coba kelompok kecil adalah dan untuk uji coba kelompok besar adalah , kedua ujicoba tersebut berkategori sangat praktis. Jadi, disimpulkan bahwa LKPD berbasis pendekatan kontekstual untuk memfasilitasi KPMM pada materi SPLDV SMP/MTs kelas 8 yang memenuhi kriteria valid dan praktis.
Improving students' mathematical representation ability through problem-based learning model Safrita, Helfi; Siregar, Syarifah Nur; Murni, Atma
Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika Vol. 7 No. 2 (2024): Jurnal Absis (In Press)
Publisher : Program Studi Pendidikan Matematika Universitas Pasir Pengaraian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30606/absis.v7i2.2637

Abstract

The basis of the problem in this research is the low level of mathematical representation ability among students in class IX B at SMP IT Al Fityah Pekanbaru. The initial test results showed that the percentage of students achieving the maximum score in the visual representation indicator was 32%, in the mathematical expression representation indicator was 43%, and in the word representation indicator was 36%. This study was conducted in two cycles using the problem-based learning model on the topic of geometric transformation. Each cycle included planning, action, observation, and reflection activities. The purpose of this study was to improve the learning process and enhance students' mathematical representation abilities. Data were collected using observation techniques and mathematical representation ability tests. The results showed improvements in both the learning process and students' abilities. The average percentage of students achieving the maximum score across the two cycles was 86% in visual representation, 82% in mathematical expression representation, and 52% in word representation. It can be concluded that the problem-based learning model is an effective teaching method for improving students' mathematical representation abilities.
Development of realistic mathematics education-based worksheets to facilitate mathematical connection abilities on pythagorean theorem material Nadeak, Devi Irawaty; Murni, Atma; Heleni, Susda
Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika Vol. 7 No. 2 (2024): Jurnal Absis (In Press)
Publisher : Program Studi Pendidikan Matematika Universitas Pasir Pengaraian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30606/absis.v7i2.2650

Abstract

This study aimed to develop a student worksheet on the Pythagorean Theorem utilizing the Realistic Mathematics Education (RME) approach, designed to meet validity and practicality standards to enhance the mathematical connection abilities of 8th-grade students. The research adopted the 4D development model, which includes the stages of Define, Design, Develop, and Disseminate. To ensure the validity of the student worksheet, three experts conducted a comprehensive validation process. Feasibility data were collected through trials involving 8th-grade students. The validation results indicated a score of 90.77%, categorized as "very valid." Small group trials yielded a practicality score of 89.98%, categorized as "very practical." Furthermore, large-scale trials demonstrated an average score of 89.29%, also categorized as "very practical." These findings highlight the effectiveness of the RME approach in facilitating students' mathematical connection abilities through the Pythagorean Theorem material. The developed student worksheet was proven to be valid, practical, and highly beneficial for supporting the development of mathematical connections among 8th-grade students.
Development of contextual mathematics teaching materials to facilitate students' problem-solving skills on systems of linear equations Ananda, Yovita Dwi; Maimunah; Solfitri, Titi
Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika Vol. 7 No. 2 (2024): Jurnal Absis (In Press)
Publisher : Program Studi Pendidikan Matematika Universitas Pasir Pengaraian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30606/absis.v7i2.2656

Abstract

The underlying issue in this research is the suboptimal level of students' mathematical problem-solving abilities. This study aims to develop contextual mathematics teaching materials on the topic of systems of linear equations in two variables to enhance students' problem-solving skills, meeting criteria for validity and practicality. The research employs the ADDIE model, encompassing the phases of analysis, design, development, implementation, and evaluation. The participants in this study consisted of 31 students from SMPN 8 Pekanbaru, including 6 students from class VIII.9 for the small group trial and 25 students from class VIII.2 for the large group trial. Data collection instruments included validation sheets and student response questionnaires. The findings indicated that the material expert validation score was 87.2% and the media expert validation score was 88.7%, both categorized as very valid. Furthermore, the practicality scores were 93% for the small group trial and 85.3% for the large group trial, both classified as very practical. Thus, it can be concluded that the developed teaching materials are both valid and practical for facilitating students' problem-solving abilities.

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