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Syahriani Sirait, M.Pd
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Program Studi Pendidikan Matematika Gedung Fakultas Keguruan dan Ilmu Pendidikan, Universitas Asahan Jln. Jendral Ahmad Yani No 1 Kisaran Kab. Asahan, Sumatera Utara - 2124
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Diskrit: Jurnal Inovasi Pendidikan Matematika
Published by Universitas Asahan
ISSN : -     EISSN : 29875935     DOI : https://doi.org/10.36294/diskrit
Core Subject :
Jurnal ini memuat berbagai artikel ilmiah yang berfokus pada bidang pendidikan matematika. Ruang lingkup jurnal mencakup hasil kajian konseptual maupun hasil penelitian yang berkaitan dengan pendidikan matematika. Secara lebih khusus, ruang lingkup jurnal ini meliputi pembelajaran matematika dan teknologi pembelajaran. Pada bidang pembelajaran matematika, jurnal ini menerima artikel yang membahas strategi, model, pendekatan, media, evaluasi, serta inovasi dalam proses belajar mengajar matematika. Sementara itu, pada bidang pemanfaatan teknologi pembelajaran dalam mendukung proses pembelajaran matematika, seperti penggunaan media digital, aplikasi pembelajaran, e-learning, serta perkembangan teknologi yang dapat meningkatkan efektivitas dan interaktivitas pembelajaran.
Arjuna Subject : -
Articles 106 Documents
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PENGARUH MODEL PEMBELAJARAN PROBLEM BASED LEARNING BERBANTUAN APLIKASI BRAIN MATH TERHADAP KEMAMPUAN PENALARAN MATEMATIS Ruri Syahmida Sinaga; Dewi Astuti
Diskrit: Jurnal Inovasi Pendidikan Matematika Vol. 4 No. 1 (2026): Januari 2026
Publisher : Program Studi Pendidikan Matematika, Universitas Asahan

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Abstract

Based on the results of data analysis and discussion that have been carried out regarding the application of the Problem Based Learning model with the help of the Brain Math application on students' mathematical reasoning abilities, it was obtained that the t-test results obtained t_(count)> t_(table) (8.70> 1.672) then H_(0) was rejected and H_(1) was accepted. So it can be concluded that there is an influence of the Problem Based Learning model on students' mathematical reasoning abilities. This means that the mathematical reasoning abilities of students who are taught using the Problem Based Learning model with the help of the Brain Math application are better than the mathematical reasoning abilities of students who are taught using the direct learning model.
PENINGKATAN KEMAMPUAN BERPIKIR KRITIS SISWA MENGGUNAKAN MODEL PROBLEM BASED LEARNING BERBANTUAN QUIZIZZ Nisma Sari; Elfira Rahmadani
Diskrit: Jurnal Inovasi Pendidikan Matematika Vol. 4 No. 1 (2026): Januari 2026
Publisher : Program Studi Pendidikan Matematika, Universitas Asahan

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Abstract

This study aims to determine the effectiveness of the Problem-Based Learning (PBL) model in improving students’ mathematical thinking skills on the Exponent topic among Grade X students at SMA Negeri 1 Simpang Empat in the 2024/2025 academic year. This quasi-experimental research employed a pre-test–post-test control group design with two classes: an experimental class receiving PBL instruction and a control class taught through conventional learning. The average pre-test scores of the experimental and control classes were 69.11 and 66, respectively. After the learning intervention, the average post-test score of the experimental class increased significantly to 84.61, while the control class achieved only 57.37. Statistical analysis using the t-test revealed that the calculated t-value (t_hitung = 4.42) exceeded the critical t-value (t_tabel = 1.67), indicating a significant difference between the two groups. These findings demonstrate that the PBL model has a positive and significant effect on enhancing students’ mathematical thinking skills in Exponent material. Therefore, PBL can be considered an effective alternative instructional approach for mathematics learning at the senior high school level.
PENGARUH MODEL RME BERBASIS ETNOMATEMATIKA BERBANTUAN GEOGEBRA TERHADAP KEMAMPUAN PEMECAHAN MASALAH SISWA Septiara Panjaitan; Oktaviana Nirmala Purba
Diskrit: Jurnal Inovasi Pendidikan Matematika Vol. 4 No. 1 (2026): Januari 2026
Publisher : Program Studi Pendidikan Matematika, Universitas Asahan

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Abstract

The purpose of this study is to determine the effect of the Realistic Mathematic Education (RME) learning model based on ethnomathematics assisted by the GeoGebra application to improve students' mathematical problem-solving abilities. This study used a quantitative method with a Design Pretest-Posttest Control Group. This study is conducted at SMP Negeri 2 Kisaran. The research are taken from 2 classes, that is VIII-1 class consiststs of 60 students, as an experimental class and was taught using Realistic Mathematic Education (RME) , learning models based ethnomathematic assisted by the Geogebra aplication and VIII-2 class that consists of 30 students, as the control class, tought using the direct learning model. Both classes uses a quasi eskperiment technique. The instrument used is a problem-solving ability test instrument consisting of 5 summary questions. The data obtained in this study are in the form of students' mathematical problem-solving ability scores analyzed by t-test. Based on the data obtained, it is known that the average value of the mathematical problem-solving ability of students in the experimental class is higher (82.46) than the control class (76.53). The results of the hypothesis calculation obtained,  it is  rejected and  accepted. Based on the results of the data analysis, it is found that there was an influence of the Realistic Mathematic Education (RME) learning model based on ethnomathematics assisted by the GeoGebra application to improve students' mathematical problem-solving abilities in UPTD SMP Negeri 2 Kisaran.
PENGARUH MODEL PEMBELAJARAN GUIDED TEACHING TERHADAP KEMAMPUAN KOMUNIKASI MATEMATIS SISWA DENGAN BANTUAN APLIKASI WORDWALL Rayhan Farina; Anil Hakim Syofra
Diskrit: Jurnal Inovasi Pendidikan Matematika Vol. 4 No. 1 (2026): Januari 2026
Publisher : Program Studi Pendidikan Matematika, Universitas Asahan

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Abstract

This study aims to determine whether the Guided Teaching learning model has an effect on students' mathematical communication skills assisted by the Wordwall application in grade VII students at SMP Negeri 1 Sei Kepayang Barat. This study uses the Quasi Experiment technique which is included in the quantitative research method. In addition, this study found that the samples used were normally distributed and homogeneous. The results of data analysis show that the instruments used are valid and reliable. The population in this study were grade VII students of SMP Negeri 1 Sei Kepayang Barat, with a research sample consisting of two classes, namely the experimental class and the control class. The instrument used was a test. The results showed that the mathematical communication skills of students who applied the Guided Teaching learning model assisted by the Wordwall application were better than students who used the direct learning model, with an average of the experimental class of 15,730, higher than the average of the control class of 9,269.
EFEKTIVITAS MODEL MISSOURI MATHEMATICS PROJECT BERBASIS APLIKASI GEOGEBRA TERHADAP KEMAMPUAN BERPIKIR KRITIS SISWA Tari Antika; Sri Rahmayanti
Diskrit: Jurnal Inovasi Pendidikan Matematika Vol. 4 No. 1 (2026): Januari 2026
Publisher : Program Studi Pendidikan Matematika, Universitas Asahan

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Abstract

The aim of the study is to describe the effectiveness of students in solving critical thinking ability test questions on trigonometric function material at XIth class students of SMA Al Ma'shum in 2024/2025 Academic Year. This research belongs to descriptive qualitative. The subjects of this study are  XI-1 students of SMA Al Ma'shum consist of 30 students. The sample determination is carried out using a purposive sampling technique. The research instrument used is in the form of 5 descriptive questions containing indicators of critical thinking ability. Based on the results of data processing, it is obtained that 8 students its around 27% are in "very good" category for they are able to complete the four indicators of mathematical critical thinking skills very well, 16 students it is around 53%  are in the "good" category for they are able to complete the four indicators of mathematical critical thinking skills well expect in their writing in complete and 6 students it is around 20% belong to  "quite good" category for  they are not able to meet the indicators of critical thinking skills. Thus, the effectiveness of the Missouri Mathematics Project learning model based on the Geogebra application is obtained on critical thinking skills in the trigonometric function material.
PENGARUH PEMBELAJARAN (CPS) BERBANTUAN ARTICULATE STORYLINE 3 TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA Hesty Amalia; anim
Diskrit: Jurnal Inovasi Pendidikan Matematika Vol. 4 No. 1 (2026): Januari 2026
Publisher : Program Studi Pendidikan Matematika, Universitas Asahan

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Abstract

This study aims to determine whether the Creative Problem Solving (CPS) learning model is effective in improving students' mathematical problem-solving abilities in the material of two-variable linear equation systems (SPLDV) of class VIII-A SMP Swasta Taman Siswa in the 2024/2025 Academic Year. This type of research is a quasi-experimental study with a two-group pre-test and post-test research design. The population in this study were all students of class VIII consisting of 2 classes. The research sample used was 2 classes (Class VIII-A and Class VIII-B). In class VIII-A as an experimental class using the Creative Problem Solving (CPS) learning model and class VIII-B as a control class using the Expository learning model. The average pre-test score in the experimental class was (64,20) while the average score in the control class was (68,88). After the learning was completed, the average post-test score in the experimental class was (82,04) while the average score in the control class was (76,24). The results of the T test obtained t_(count) (2,4820) > t_table (1,6735). H_a is accepted, thus there is a positive and significant influence in the application of the Creative Problem Solving (CPS) learning model on students' mathematical problem solving abilities assisted by the Articulate Storyline 3 application.
PENGARUH MODEL PEMBELAJARAN PROJECT BASED LEARNING (PjBL) TERHADAP KEMAMPUAN BERPIKIR KRITIS Mei Swastika Arbawie; Sri Rahmah Dewi Saragih
Diskrit: Jurnal Inovasi Pendidikan Matematika Vol. 4 No. 1 (2026): Januari 2026
Publisher : Program Studi Pendidikan Matematika, Universitas Asahan

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Abstract

The aim of this study is to determine whether there is an effect or not the implementation of the Project Based Learning (PjBL) learning model on critical thinking skills in the spatial structure subject at VIIIth class students of MTs Citra Abdi Negoro in 2024/2025 Academic Year. The type of research is a quasi-experimental study with a two-group pre-test and post-test research design. The population are all VIIIth class students consisting of 3 classes. The research sample are 2 classes (VIII-1 and VIII-2 class). VIIIth-1 class as an experimental class using the Project Based Learning (PjBL) learning model and in VIIIth-2 class as a control class with a conventional learning model. The average pre-test score in the experimental class (54.93) while the average score in the control class (53.80). After completing the learning, a post-test was obtained with an average result of the experimental class (75.80) and the control class (63.17). The t-test results obtained = 3.083 > = 2.002, means it is accepted and there is a positive and significant influence in the application of the Project Based Learning (PjBL) learning model on Critical Thinking Skills Assisted by Interactive Videos at VIIIth class students of MTs Citra Abdi Negoro in 2024/2025 Academic Year.
PENGARUH MODEL PEMBELAJARAN TREFFINGER BERBANTUAN WIZER.ME TERHADAP KEMAMPUAN PEMECAHAN MASALAH Riska Amelia Putri; Nova Eliza Silaen
Diskrit: Jurnal Inovasi Pendidikan Matematika Vol. 4 No. 1 (2026): Januari 2026
Publisher : Program Studi Pendidikan Matematika, Universitas Asahan

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Abstract

This study aims to determine the effect of the Treffinger Learning Model in terms of students' problem-solving abilities on flat geometry materials assisted by Wizer.me at SMP Negeri 2 Nibung Hangus. The research method is quasi-experimental research. Based on the results of data analysis and discussion that have been carried out regarding the application of the Treffingger learning model assisted by wizer.me on students' problem-solving abilities, it was obtained that the t-test results obtained t_(count)> t_(table) (3.037>1.669) then H (0) was rejected and H (1) was accepted. So it can be concluded that there is an influence of the Treffingger learning model assisted by wizer.me on students' problem-solving abilities. This means that the problem-solving abilities of students who are taught using the Treffingger learning model using the help of wizer.me are better than the problem-solving abilities of students who are taught using conventional learning models.
PENGEMBANGAN MEDIA PEMBELAJARAN MATEMATIKA BERBANTUAN APLIKASI ANIMAKER DALAM MENINGKATKAN KEMAMPUAN PENALARAN DI ERA DIGITAL Eka Oktavia Anzani; Eva Margaretha Saragih
Diskrit: Jurnal Inovasi Pendidikan Matematika Vol. 4 No. 1 (2026): Januari 2026
Publisher : Program Studi Pendidikan Matematika, Universitas Asahan

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Abstract

This research is based on the importance of developing creative mathematics learning media that is in accordance with the demands of education in the digital era. This study aims to produce a product in the form of learning media assisted by the animaker application with a problem-based learning model on vector material in class XI of Panti Budaya Private High School that is valid, practical and effective. This type of research is Research and Development (R&D). The development model used as a reference in this study is the 4-D model, which consists of 4 stages, namely defining, designing, developing, and disseminating. The instruments used in this study include validation sheets, teacher and student response questionnaires, and Mathematical Reasoning ability tests. Based on the validator's assessment, the results of the validity of the learning media obtained a final value of 90.67 with a very valid category. The results of the practicality of the learning media through the teacher questionnaire were 97.43% and students were 89.67% with a very practical category. And the results of the effectiveness of learning media seen from the mathematical reasoning ability test received a score of 91.75% with a very effective category. Based on the results of the study, it can be concluded that learning media assisted by PBL-based animaker on class XI vector material has been proven valid, practical and effective.
PENGARUH MODEL CONTEXTUAL TEACHING AND LEARNING (CTL) BERBANTUAN XSOLVER UNTUK MENINGKATKANLITERASI NUMERASI SISWA Nurhaliza Amria Rambe; Syahriani Sirait; Mapilindo
Diskrit: Jurnal Inovasi Pendidikan Matematika Vol. 4 No. 1 (2026): Januari 2026
Publisher : Program Studi Pendidikan Matematika, Universitas Asahan

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Abstract

This study aims to analyze the effect of the CTL (Contextual Teaching and Learning) model assisted by the Xsolver application to improve students' numeracy literacy skills. The research method used is quasi-experimental. The population included all Grade VIII students of SMPN 3 Kisaran in the 2024/2025 school year. The study sample comprised two classes: Class VIII-1 as the experimental group and Class VIII-3 as the control group,each containing 30 students. The instrument used was a validated essay test consisting of 5 questions. Data analysis revealed an average post-test score of 71.83 for the experimental class and 57.5 for the control class. The t-test results of post-test scores showed a significant difference in numeracy literacy skills between the experimental and control classes. It can be concluded that the Contextual Teaching and Learning (CTL) model assisted by the Xsolver application has a positive effect on improving students' numeracy literacy skills.

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