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All Journal Jurnal Pendidikan Matematika (JUDIKA EDUCATION) COUNSENESIA Indonesian Journal of Guidance and Counseling PEMA: Jurnal Pendidikan dan Pengabdian Kepada Masyarakat Lattice Journal : Journal of Mathematics Education and Applied Madani: Multidisciplinary Scientific Journal Euclid International Journal of Trends in Mathematics Education Research (IJTMER) Mahir : Jurnal Ilmu Pendidikan dan Pembelajaran Relevan : Jurnal Pendidikan Matematika
Afri, Lisa Dwi
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PENGARUH MODEL PjBL TERHADAP KEMAMPUAN BERPIKIR KREATIF DAN KOMUNIKASI MATEMATIS DI MTsN 2 MEDAN Widiastuti, Erni; Ananda, Rusydi; Afri, Lisa Dwi
Relevan : Jurnal Pendidikan Matematika Vol 5 No 1 (2025): Relevan : Jurnal Pendidikan Matematika
Publisher : Yayasan Amanah Nur Aman

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Abstract

Pembelajaran matematika di indonesia masih dihadapkan pada berbagai permasalahan, terutama rendahnya kemampuan berpikir kreatif dan komunikasi matematis siswa. Oleh karena itu, diperlukan pendekatan pembelajaran yang dapat membantu meningkatkan kemampuan berpikir kreatif dan komunikasi matematis. Penelitian ini bertujuan untuk mengetahui pengaruh model Project Based Learning (PjBL) terhadap kemampuan berpikir kreatif dan komunikasi matematis siswa di kelas vii MTsN. Penelitian ini dilaksanakan di MTsN 2 medan. Penelitian ini menggunakan pendekatan kuantitatif dengan metode quasi eksperimen. Populasi dalam penelitian ini adalah seluruh siswa-siswa kelas vii MTsN 2 medan yang berjumlah 400 siswa. Dalam menentukan sampel peneliti menggunakan teknik cluster random sampling, dari 10 kelas yang ada terpilih 2 kelas sebagai sampel yaitu kelas vii-a sebagai kelas eksperimen dan kelas vii-b sebagai kelas kontrol. Data yang dikumpulkan melalui instrument tes berupa soal uraian. Hasil penelitian menunjukkan bahwa kemampuan berpikir kreatif dan komunikasi matematis siswa yang diajarkan dengan menggunakan model Project Based Learning lebih tinggi dibandingkan dengan siswa yang diajarkan dengan menggunakan model konvensional.ABSTRACT Mathematics learning in indonesia is still faced with various problems, especially the low creative thinking and mathematical communication skills of students. Therefore, a learning approach is needed that can help improve creative thinking and mathematical communication skills. This study aims to determine the effect of the Project Based Learning (PjBL) model on the creative thinking and mathematical communication skills of students in class vii MTsN. This research was conducted at MTsN 2 medan. This study used a quantitative approach with a quasi-experimental method. The population in this study were all 400 students in class vii MTsN 2 medan. In determining the sample, the researcher used the cluster random sampling technique, from 10 classes, 2 classes were selected assamples, namely class vii-a as the experimental class and class vii-b as the control class. Data collected through test instruments in the form of essay questions. The results of the study showed that the creative thinking and mathematical communication skills of students taught using the Project Based Learning model were higher than those taught using the conventional model.
Analysis Of The Difficulties Of Students In Understanding Integral Material Using Visual Media Febriyanti, Auliya; Rustam; Afri, Lisa Dwi
Mahir : Jurnal Ilmu Pendidikan dan Pembelajaran Vol 1 No 2 (2022): Mahir : Jurnal Ilmu Pendidikan dan Pembelajaran
Publisher : Yana Research

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Abstract

Difficulties in understanding integral material using visual media are often experienced by students, this is due to inappropriate use of visual media, and students' lack of understanding of integral material explained by the teacher. The purpose of this study was to determine the students' understanding of class XI about integral material, and the use of visual media in learning about integral material, as well as what kinds of difficulties students felt when understanding integral material. The method used in this study is a qualitative method, research data collection is done by utilizing observation data, written tests, interviews, and documentation review. The steps taken in analyzing the data are compiling the data, connecting the data, reducing, presenting the data, then making conclusions, and testing the validity of the data with crosscheck triagulation and technical triagulation. The results showed that students' understanding was still relatively low. This can be seen from the students' answers on the written test, of the 7 indicators of understanding there is only 1 indicator that is fulfilled, the indicator of restating a concept. The use of visual media is good enough, it's just that there are several stages that are not carried out, such as the stage of formulating teaching objectives by utilizing media and also teaching evaluation steps. There are 3 types of difficulties experienced by students when understanding integral material using visual media, difficulties in using concepts, difficulties in using principles, and difficulties in solving verbal problems
Development of Problem Based Student Worksheets to Improve Students Critical Thinking Ability Ritonga, Novi Rahmadani; Sitorus, Masganti; Afri, Lisa Dwi
Mahir : Jurnal Ilmu Pendidikan dan Pembelajaran Vol 1 No 2 (2022): Mahir : Jurnal Ilmu Pendidikan dan Pembelajaran
Publisher : Yana Research

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Abstract

This study aims to develop mathematics teaching materials in the form of problem based student worksheets on geometry row material and also aims to find out the effectiveness and practicality of student worksheets which is developed in improving students critical thinking skills for grade XI MA/SMA. This research was conducted in class XI IPA 6 MAN 2 Model Medan, with the type of research and development and 4D development model (Define, Design, Develop, dan Dessiminate). The research instruments used are validation by experts, questionnaires of student responses and test of learning outcomes after and before learning using the developed product. The problem-based student workshets developed in this study were declared valid by validator and field trials were carried out to see their effectiveness and practicality. The result obtained from validators is 78% for validator I those in the category are worthy of use, and for validator II obtained a percentage of 93% who entered the category of eligible to use and 100% percentage obtained from the media expert validator. Then the problem-based student worksheet developed is declared false and entered in the ccategory worthy of use. The problem-based student worksheet developed was also stated to be practical with a practicability test percentage of 77%. The problem-based student worksheet developed has met the effective criteria based on the percentage of classical learning completeness of 80% with the results of 75% which means that the problem-based student worksheet developed is in the category quite effective.
Horay's Personalized Learning System Of Instruction And Course Review On Students' Concept Understanding Ability And Activeness Nawati, Cipra; Yahfizham; Afri, Lisa Dwi
Mahir : Jurnal Ilmu Pendidikan dan Pembelajaran Vol 2 No 3 (2023): Mahir : Jurnal Ilmu Pendidikan dan Pembelajaran
Publisher : Yana Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58432/mahir.v2i3.999

Abstract

This study aims to determine the Influence of The Personalized System Of Instruction Learning Model And Horay Course Review On The Ability To Understand Concepts And Activeness Of Class X Students Of Private High School Harapan Mekar Medan Learning Year 2021-2022. This research methodology uses quantitative research methods. The research population is all students of class X of Sma Swasta Harapan Mekar Medan with a total of 28 students in experimental class 1, namely class X-A and 27 students in experimental class 2, namely class X-B. The sampling method is non-probability sampling with a saturated sampling technique where the researcher will take all members of the population to be sampled. Data analysis was carried out with a t-test, with the following results: 1) There is an influence of PSI on concept understanding ability 2) There is an influence of PSI on student activity 3) There is an influence of CRH on students' concept understanding ability 4) There is an influence of CRH on student activity 5) There is no difference in the ability to understand concepts taught with PSI and CRH 6) There is no difference in activeness taught with PSI and CRH.
Self Concept Mahasiswa UIN Sumatera Utara Medan pada Mata Kuliah Persamaan Diferensial Elementer Afri, Lisa Dwi; Reflina
Lattice Journal : Journal of Mathematics Education and Applied Vol. 4 No. 2 (2024): Desember 2024
Publisher : Universitas Islam Negeri Sjech M. Djamil Djambek Bukittinggi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30983/lattice.v4i2.8756

Abstract

A positive self concept can provide a strong foundation for students to face academic and social challenges, enhance self motivation, and influence their academic achievements. This research focuses on the affective aspect of students, namely self-concept, which has so far received little attention. The objective of this study is to describe the self concept of students in the Elementary Differential Equations course. The population of this study comprises students enrolled in the 2021 batch of the Elementary Differential Equations course, and a sample of 99 individuals was selected using the Slovin's rule. This research used a quantitative descriptive research method. Data were collected through self-concept questionnaires and interviews. The data were analyzed using descriptive statistics. The results of this study are as follows: (1) The average self concept score of students is 67.3253 out of the ideal score of 96. (2) There are 23 students who have a high self concept with a percentage of 23.3%, 72 students have a moderate self concept with a percentage of 72.7%, and 4 students have a low self-concept with a percentage of 4%. (3) Based on the self concept indicators, the highest average score was obtained in the indicator "having a sense of responsibility in the Elementary Differential Equations course" with a score of 3.3198 out of the ideal score of 4, while the lowest average score was in the indicator "receiving attention from friends or instructors in the Elementary Differential Equations course" with an average score of 2.040 out of the ideal score of 4.   Self concept yang positif dapat memberikan dasar yang kuat bagi mahasiswa dalam menghadapi tantangan akademik dan sosial, meningkatkan motivasi diri, dan mempengaruhi prestasi akademik mereka. Penelitian ini fokus kepada aspek afektif mahasiswa yaitu self concept yang selama ini masih kurang diperhatikan. Tujuan penelitian ini ialah untuk mendeskripsikan self concept mahasiswa pada mata kuliah Persamaan Diferensial Elementer. Populasi pada penelitian ini adalah mahasiswa yang mengikuti mata kuliah Persamaan Diferensial Elementer angkatan 2021, sampel diambil dengan aturan Slovin sebanyak 99 orang. Penelitian ini menggunakan metode penelitian deskriptif kuantitatif. Teknik pengumpulan data dengan mengumpulkan angket self concept dan wawancara. Data dianalisis dengan statistik deskriptif. Hasil pada penelitian ini diperoleh yakni (1) Rata-rata self concept mahasiswa yaitu 67,3253 dari skor ideal 96. (2) Terdapat 23 mahasiswa yang memperoleh self concept kategori tinggi dengan persentase 23,3%, sebanyak 72 mahasiswa memperoleh self concept kategori sedang dengan persentase 72,7%, dan 4 mahasiswa yang memperoleh self concept kategori rendah dengan persentase 4%. (3) Berdasarkan indikator self concept, pada indikator memiliki rasa tanggung jawab dalam mata kuliah Persamaan Diferensial Elementer diperoleh dengan rata-rata tertinggi yaitu skor 3,3198 dari skor ideal yaitu 4, dan rata-rata skor terendah pada indikator memperoleh perhatian dari teman atau dosen pada mata kuliah Persamaan Diferensial Elementer dengan rata-rata skor 2,040 dari skor ideal yaitu 4.
EKSPLORASI ETNOMATEMATIKA TEDHAK SITEN ADAT JAWA Aulia, Luthfi; Afri, Lisa Dwi
Euclid Vol 10 No 3 (2023)
Publisher : Universitas Swadaya Gunung Jati.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33603/e.v10i3.8642

Abstract

Perkembangan pesat ilmu pengetahuan dan teknologi menuntut peran aktif matematika dalam berbagai bidang. Namun, matematika sering dianggap abstrak dan tidak langsung terkait dengan kehidupan sehari-hari. Metode etnomatematika menghubungkan budaya dengan matematika dan bisa menjadi solusi untuk meningkatkan pemahaman siswa. Studi ini berfokus pada eksplorasi etnomatematika dalam upacara tradisional Jawa "Tedhak Siten" di Sumatera Utara. Menggunakan metode penelitian deskriptif kualitatif dengan pendekatan etnografi, prosesi dan konsep matematika dalam upacara ini dijabarkan dan dianalisis. Teknik analisis yang digunakan adalah reduksi data, penyajian data, dan penarikan kesimpulan. Hasil dari penelitian ini mengungkapkan bahwa ada berbagai aplikasi konsep ilmu matematika seperti menghitung waktu pelaksanaan Tedhak Siten, konsep peluang dalam salah satu tahapannya, dan konsep geometri dalam alat yang digunakan dalam tahapannya. Oleh karena itu, penelitian ini diharapkan dapat membantu guru mengajar matematika dengan cara yang lebih kontekstual dan menarik. Siswa juga dapat lebih mudah menghubungkan konsep matematika dengan kehidupan sehari-hari mereka, memahami relevansi dan kegunaan matematika dalam kehidupan nyata, dan siswa dapat menghargai dan melestarikan budaya bangsa.
PERBEDAAN KEMAMPUAN PENALARAN MATEMATIS DENGAN MODEL PROJECT BASED LEARNING DAN RESOURCE BASED LEARNING Kurnianingsih, Indah; Maysarah, Siti; Afri, Lisa Dwi
Relevan : Jurnal Pendidikan Matematika Vol 4 No 4 (2024): Relevan : Jurnal Pendidikan Matematika
Publisher : Yayasan Amanah Nur Aman

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Abstract

Penelitian ini bertujuan untuk mengetahui perbedaan kemampuan penalaran matematis siswa yang diajar dengan model pembelajaran Project Based Learning (PjBL) dan Resource Based Learning (RBL) di kelas VIII MTs Al-Jihad Kerasaan. Penelitian ini merupakan penelitian kuantitatif, dengan jenis penelitian quasi experiment. Populasi dalam penelitian ini adalah seluruh siswa kelas VIII MTs Al-Jihad Kerasaan dengan dua kelas sebagai sampel yaitu kelas VIII-1 sebagai kelas eksperimen I dan Kelas VIII-2 sebagai kelas eksperimen II. Teknik pengambilan sampel dengan menggunakan cluster random sampling. Instrumen yang digunakan untuk mengetahui kemampuan penalaran matematis siswa adalah dengan menggunakan tes berbentuk uraian. Uji analisis yang digunakan adalah uji Indepndent Sample t test. Hasil penelitian ini menunjukkan bahwa terdapat perbedaan kemampuan penalaran matematis siswa yang diajar dengan model pembelajaran Project Based Learning dan Resource Based Learning di kelas VIII MTs Al-Jihad Kerasaan, dengan nilai thitung  = 7.10 > ttabel = 1,67 dan hasil nilai rata-rata post-test model PjBL = 54.90 < nilai rata-rata post-test model RBL = 75, dimana terdapat selisih 20.10 poin sehingga Ha =   0. ABSTRACT This study aims to determine the differences in mathematical reasoning abilities of students taught with Project Based Learning and Re learning models. This research is a quantitative research, with a quasi-experimental type of research. The population in this study was all students of grade VIII MTs Al-Jihad Kerasaan with two classes as samples, namely class VIII-1 as experimental class I and Class VIII-2 as experimental class II. Sampling technique using cluster random sampling. The instrument used to determine students' mathematical reasoning ability is to use a test in the form of a description. The analysis test used is the Indepndent sample t test. The results of this study show that there are differences in the mathematical reasoning ability of students taught with Project Based Learning and Resource Based Learning learning models in class VIII MTs Al-Jihad Kerasaan, with tcalculate = 7.10 > ttable = 1.67 and the results of the average post-test score for the PjBL model = 54.90 < the average post-test score for the RBL model = 75, where there is a difference of 20.10 points so that Ha = μ ≠ 0.
PENGEMBANGAN MEDIA PEMBELAJARAN ADOBE FLASH UNTUK MENINGKATKAN KEMAMPUAN PENALARAN MATEMATIS SISWA Zairi, Raihan Nahriza; Afri, Lisa Dwi; Ammamiarihta
Relevan : Jurnal Pendidikan Matematika Vol 4 No 5 (2024): Relevan : Jurnal Pendidikan Matematika
Publisher : Yayasan Amanah Nur Aman

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Abstract

Penelitian ini bertujuan untuk mengembangkan dan menciptakan media pembelajaran matematika dengan menggunakan Adobe Flash yang valid. Jenis penelitian yang digunakan adalah penelitian pengembangan atau Research and Development (R&D) yang mengacu pada salah satu model atau pendekatan desain sistem pembelajaran yaitu model ADDIE yang merupakan singkatan dari Analysis, Design, Development, Implementation, and Evaluation. Subjek penelitian adalah 2 orang ahli media dan 2 orang ahli materi. Instrumen penelitian yang digunakan adalah angket validasi media dan materi. Hasil penelitian menunjukkan: (1) Kevalidan media berdasarkan penilaian ahli media dan ahli materi mendapatkan rata-rata persentase sebesar 84,5%, yang masuk dalam kriteria “sangat baik/sangat valid.” Berdasarkan hasil penelitian, penggunaan media pembelajaran matematika menggunakan Adobe Flash dapat dikatakan layak dengan kategori valid. ABSTRACT This research aims to develop and create valid mathematics learning media using Adobe Flash. The type of research used is development research or Research and Development (R&D) which refers to one of the learning system design models or approaches, namely the ADDIE model which stands for Analysis, Design, Development, Implementation, and Evaluation. The research subjects were 2 media experts and 2 material experts. The research instrument used was a media and material validation questionnaire. The research results show: (1) The validity of the media based on the assessment of media experts and material experts obtained an average percentage of 84.5%, which falls within the criteria of "very good/very valid." Based on the research results, the use of mathematics learning media using Adobe Flash can be said to be in the valid category.
DEVELOPMENT OF AN ISLAMIC COUNSELING MODEL USING BIBLIOTHERAPY TECHNIQUES WITH E-BOOKS TO IMPROVE ACADEMIC RESILIENCE Harahap, Ade Chita Putri; Afri, Lisa Dwi
Counsenesia Indonesian Journal Of Guidance and Counseling Vol 6 No 2 (2025): COUNSENESIA 2025
Publisher : Program Studi Bimbingan dan Konseling Universitas Tunas Pembangunan Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36728/cijgc.v6i2.5684

Abstract

Academic resilience is one of the key elements of success for mathematics education students in facing academic challenges in higher education. This study aims to develop an Islamic Counseling Model using Bibliotherapy e-books to improve the academic resilience of Mathematics Education students. This research is a Developmental Study with a design according to Borg and Gall, which consists of three stages, namely the preliminary study stage, the model development stage, and the model testing stage. The research was conducted at the State Islamic University of North Sumatra. Data collection was carried out using an academic resilience scale and an expert assessment scale. Data analysis was performed using quantitative descriptive analysis to describe the academic resilience of students in the preliminary study stage, followed by Miles and Huberman's qualitative descriptive analysis to describe the feasibility of the Islamic Counseling Model of Bibliotherapy using e-books, and finally, the U-Mann Whitney test was performed to determine the effectiveness of the model. The results showed that 52% of students' academic resilience in education was in the moderate to low category. The feasibility test of the Islamic Counseling Model using the Bibliotherapy Technique with e-books with several experts showed that it was feasible to use. Based on the U-Mann Whitney test results, a sig. value of 0.000 was obtained, so it was concluded that the Islamic Counseling Model using the Bibliotherapy Technique with e-books was effective in increasing the academic resilience of mathematics education students.
Co-Authors Ammamiarihta Ammamiarihta Ananda, Rusydi Angkat, Dhevy Kartika Ayu Aulia, Luthfi Bara, Muhammad Ilham Maulana Batu Br Munthe, Anisah Putri Br Sembiring, Selvi Rani Erni Widiastuti Fauziah Nasution Fauziah Simbolon, Ika Febriyanti, Auliya Harahap, Ade Chita Putri Hasibuan, Indah Pratiwi Herdiyanti, Aulia Indah Kurnianingsih, Indah Lubis, Sukma Sari Nasution, Muhammad Irgi Maulana Nawati, Cipra Novia Lestari Nurika Khalila Daulay Nurmawati R, Rustam Rakhmawati, Fibri Reflina Ritonga, Novi Rahmadani Rustam Siti Maysarah Sitorus, Masganti Solin, Tia Ananda Syari, Cahyan Winda, Tamara Yahfizham Zairi, Raihan Nahriza