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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 204 Documents
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Penerapan Model Problem Based Learning (PBL) untuk Meningkatkan Hasil Belajar Matematika Siswa Kelas VIII1 SMPN 6 Siak Hulu Enno Triandini; Heleni, Susda; Saragih, Sehatta
Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika Vol. 6 No. 2 (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.v6i2.2333

Abstract

This research is motivated by the low mathematics achievement of the eighth-grade students of SMPN 6 Siak Hulu in the academic year 2023/2024. This study aims to improve the quality of the learning process and mathematics learning outcomes by implementing the Problem-Based Learning (PBL) model. The form of this research is Classroom Action Research, which examines the problems faced and takes action to solve them. The subjects of this research consist of the eighth-grade students of SMPN 6 Siak Hulu in the odd semester of the academic year 2023/2024, comprising 15 male students and 12 female students with diverse abilities. Research instruments involve using syllabi, Lesson Implementation Plans (RPP), and Student Worksheets (LKS) as learning aids. Meanwhile, observation sheets and learning outcome tests are data collection instruments. The results show an improvement in the learning process from the initial score to each cycle, as reflected in students' increased mathematics learning achievement. The improvement in the Minimum Completion Criteria (KKM) results is as follows: in terms of knowledge and skills, it increased from 11 students (40.7%) in cycle I to 14 students (51.8%) in cycle II. It reached 17 students (62.9%) in cycle III. This research concludes that the implementation of the Problem-Based Learning (PBL) model successfully improves the learning process and achieves better mathematics learning outcomes for the eighth-grade students of SMPN 6 Siak Hulu in the academic year 2023/2024, particularly in the topic of System of Linear Equations with Two Variables.
Pengembangan Modul Berbasis Pendekatan Heuristik untuk Meningkatkan Kemampuan Pemecahan Masalah Matematis Siswa Pada Materi Peluang Kelas VIII SMP Setiani, Nining; Saragih, Sehatta; Yuanita, Putri
Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika Vol. 6 No. 2 (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.v6i2.2338

Abstract

This developmental research is based on the low mathematical problem-solving ability of students. The heuristic approach can be used to guide students in problem-solving, thus the researchers used a heuristic-based module to improve students' mathematical problem-solving skills. The aim of this study is to describe the development process, quality, and effectiveness of the heuristic-based module. The research development, or Research and Development, uses the ADDIE model. The research subjects for module validation were experts in the field of education, while the subjects for practicality and effectiveness were eighth-grade students at SMPN 2 Sabak Auh. Data collection techniques included questionnaires and tests, with qualitative and quantitative data analysis. The feasibility assessment of the module obtained an average percentage of 81.31%, classified as very valid. Students' assessment of the module obtained an average percentage of 81.17%, classified as very practical. Based on the sig value in the sig (2-tailed) column of 0.000, which is smaller than 0.05, Ho is rejected and H1 is accepted, indicating that there is a difference in test results before and after using the module. This shows that learning using the heuristic-based module can improve students' mathematical problem-solving skills.
Development of problem-based learning materials on linear programming to facilitate students' mathematical problem-solving skills Situmorang, Ruth Sahana; Hutapea, Nahor Murani; Armis
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.v7i1.2339

Abstract

This study aims to develop Problem-Based Learning (PBL) instructional tools, including a syllabus, lesson plans, and student activity sheets, to enhance students' mathematical problem-solving skills. The development process follows the 4-D model, consisting of four stages: Define, Design, Develop, and Disseminate. Data were collected through interviews, observations, and questionnaires, using validation sheets and student response surveys as instruments. The validity of the instructional tools was assessed by experts, with results indicating high validity, with average scores of 3.82 for the syllabus, 3.93 for the lesson plans, and 3.79 for the student activity sheets. Additionally, the practicality of the LAS was tested in both small and large groups, showing high practicality with average scores of 3.52 and 3.64, respectively. These findings indicate that the developed instructional tools meet the required standards of validity and practicality, making them suitable for classroom use. This study successfully created PBL-based instructional tools that effectively support the development of students' mathematical problem-solving skills and are expected to positively impact mathematics learning.
Analisa Perkembangan Counter Pulsa Hand Phone Di Kabupaten Lumajang Menggunakan Perhitungan Break Even Point (BEP) dan Analisis Regresi Linear Sederhana Amalia, Riezky; Siswanto; Mustofa, Ahmad; Setyawan, Bimo
Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika Vol. 6 No. 2 (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.v6i2.2363

Abstract

This study aims to analyze the development of sales turnover and profits of mobile phone credit counters in Lumajang Regency using a combination of Break Even Point (BEP) calculation and simple linear regression methods over the period 2018 - 2022. Through direct surveys with mobile phone counter owners, it was found that they face difficulties in monitoring the development of their sales turnover and profits. The results show that to reach the break-even point, the average minimum transaction per year is 20 transactions with an additional sale of at least 2 other product units. The break-even point for mobile phone credit sales is recorded at a minimum turnover of IDR 69,342,600, while other products reach IDR 426,116,200. The minimum break-even cost for mobile phone credit sales is IDR 29,144. Additionally, this study reveals that profits have decreased by an average of IDR 3,600 per year. These findings provide important insights for business owners to understand the dynamics of their businesses and strategies for improving profitability.
Pengaruh Variabel Eksogen terhadap Pemodelan Curah Hujan di Kota Bandung Mahmudi; Mehri, Hilmah Amalia; Inna, Suma
Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika Vol. 6 No. 2 (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.v6i2.2375

Abstract

This research is motivated by the significant role of rainfall as a natural occurrence that has a significant impact on various sectors. The main objective of this study is to evaluate the influence of exogenous variables in rainfall forecasting by comparing the accuracy of SARIMA, SARIMAX, hybrid SARIMA-ANN, and hybrid SARIMAX-ANN models. The initial modeling of this research did not involve exogenous variables and resulted in a MAPE (Mean Absolute Percentage Error) of 43,65% for the SARIMA model and 42,86% for the hybrid SARIMA-ANN model. The findings show that incorporating the exogenous variable of sunlight duration positively contributes to improving the accuracy of rainfall forecasting using the SARIMAX model with a MAPE of 28.69% and the hybrid SARIMAX-ANN model with a MAPE of 27,03%. This research contributes to the development of rainfall forecasting methods by incorporating other influencing variables.
Development of Learning Instruments Based on The Problem Based Learning Model to Facilitate Students' Mathematical Problem Solving Skill on Curved 3D Shapes Saputra, Heru; Maimunah; Yuanita, Putri
Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika Vol. 6 No. 2 (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.v6i2.2381

Abstract

The aim of this study was to develop educational materials, including syllabi, lesson plans, and worksheets, utilizing a problem-based learning approach to enhance the mathematical problem-solving abilities of ninth-grade junior high school students in dealing with curved side 3D space problems. This research falls under the category of development research (R&D) and employs the 4-D method, which involves defining, designing, developing, and disseminating. The outcome of the study is the creation of valid and practical learning materials, validated by experts with scores of 3.88 for the syllabus, 3.84 for the lesson plans, and 3.77 for the worksheets, meeting the criteria for high validity. Additionally, the practicality scores obtained from small and large group trials were 3.64 and 3.61, respectively, indicating a high level of practicality. In conclusion, the mathematics learning materials developed based on the problem-based learning model for the topic of curved 3D shapes effectively support the enhancement of students' mathematical problem-solving skills at the ninth-grade level, meeting both validity and practicality criteria.
Students' self-confidence in knisley mathematics learning with a constructivist approach Oktafia, Mesi; Sari, Maila
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.v7i1.2382

Abstract

Self-confidence among students majoring in Mathematics Education (Tadris Matematika) is a crucial aspect, given that they are future mathematics teachers. Observations reveal that 50% of second-semester Mathematics Education students at IAIN Kerinci exhibit low self-confidence, as evidenced by their difficulties in clearly defining problems. They also tend to lack ideas, struggle to eliminate inefficient alternatives, and face challenges in selecting the ideal options. Additionally, they often fail to recognize the impact of the solutions they choose. Therefore, a learning model that can enhance students' self-confidence is needed, such as the Knisley mathematics learning model with a constructivist approach. This study aims to examine the effect of the Knisley mathematics learning model with a constructivist approach on the self-confidence of Mathematics Education students at IAIN Kerinci. The study employed a quantitative method with an experimental approach. The population consisted of 34 second-semester Mathematics Education students at IAIN Kerinci. The instrument used was a self-confidence questionnaire. The results showed that the self-confidence of students who participated in the Knisley mathematics learning model with a constructivist approach was higher than that of students who followed the conventional learning model. Thus, the application of the Knisley mathematics learning model with a constructivist approach has a positive impact on the self-confidence of Mathematics Education students at IAIN Kerinci.
Analisis Kemampuan Pemecahan Masalah Matematis Siswa Kelas VI SD Melalui Soal HOTS Nisa, Witiyas Adibta Dzakia; Ermawati, Diana; Riswari, Lovika Ardana
Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika Vol. 6 No. 2 (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.v6i2.2396

Abstract

Penelitian ini bertujuan menganalisis kemampuan pemecahan masalah siswa SD Unggulan Muslimat NU Kudus dalam menyelesaikan soal cerita matematika HOTS. Penelitian yang digunakan adalah penelitian kualitatif dengan pendekatan naratif, melibatkan 6 siswa yang dipilih menggunakan teknik purposive berdasarkan tingkat kemampuan matematis (tinggi, sedang, rendah). Data dikumpulkan melalui observasi, wawancara, dan dokumentasi, kemudian dianalisis melalui reduksi data, penyajian data, dan penarikan kesimpulan. Hasil penelitian menunjukkan variasi kemampuan siswa dalam menyelesaikan soal cerita matematika tingkat HOTS yang melibatkan operasi penjumlahan, pengurangan, perkalian, dan pembagian dengan bilangan bulat negatif dalam konteks kehidupan sehari-hari. Perbedaan kemampuan disebabkan oleh keunggulan dan kelemahan masing-masing siswa dalam pemecahan masalah soal cerita matematika. Sehingga dapat disimpulkan dari hasil tes siswa tersebut berdasarkan indikator pemecahan masalah, bahwa siswa sangat menonjol dalam hal melaksanakan rencana dan kurang dalam hal mengevaluasi kembali hasil pekerjaannya. Kata-kata Kunci : HOTS, Kemampuan Pemecahan Masalah, Matematika, Soal Cerita
The development of problem-based learning worksheets to facilitate mathematical problem-solving skills in relation and function topics Yanti, Risma; Hutapea, Nahor Murani; Anggraini, Rini Dian
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.v7i1.2480

Abstract

This research aims to develop student worksheets for eighth-grade mathematics, focusing on the topics of Relations and Functions, using a Problem-Based Learning approach. The development process followed the 4D model, which includes the stages of defining, designing, developing, and disseminating. The research instruments used were validation sheets and student questionnaires. After the preparation stage, the worksheets were evaluated by three validators and revised based on the feedback received. Data analysis showed an average validation score of 89.12%, indicating a very high level of validity. Subsequently, the validated worksheets were tested on a small group of students, resulting in a practicality score of 80.28%, which is classified as very practical. This research successfully produced valid and practical worksheets for eighth-grade mathematics, particularly in the topics of relations and functions.
Development of test instruments to measure mathematical problem-solving skills in quadrilaterals and triangles Norzilawati; Kartini; Hutapea, Nahor Murani
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.v7i1.2481

Abstract

The purpose of this research is to produce a test instrument to measure mathematical problem solving abilities on quadrilaterals and triangles in class VII SMP/MTs students. The test developed is in the form of a description that meets the criteria for logical and empirical validity, level of difficulty and good discriminating power. This research uses a development studies development model which consists of pleminary and formative evaluation stages. The formative evaluation stage consists of self-evaluation, expert review, one-to-one, small group and field test activities. The research instruments used were validation sheets, student response questionnaires and KPMM test questions. The research subjects were 33 students of class VIII.3 of SMPN 8 Pekanbaru. Research data was obtained by validating the test instrument with three validators and testing the test instrument with research subjects at the small group and field test stages. The results of the research show that the average score of test instrument validators for content, construction and language aspects is 87.82%, from the 20 questions developed, 20 questions were logically valid, and 17 questions were empirically valid with a reliability value of 0.90 in the category very high, while the level of difficulty obtained was 13 questions with a medium level of difficulty, 2 questions with an easy level of difficulty and 1 question with a difficult level of difficulty, and the distinguishing power was 9 questions in the good category, 6 questions in the sufficient category, and 2 questions in the poor category . Of the 20 questions developed, there were 17 questions that met the criteria for being logically and empirically valid and had a good level of difficulty and differentiating power.

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