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Nurfadilah Siregar

Mathematics Education Study Program, FKIP, Universitas Tanjungpura, Prof. Dr. H. Hadari Nawawi Street, Pontianak

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Religion Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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Learning Design For Combinatoric With Realistic Mathematics Education Approach Fitriawan, Dona; Siregar, Nurfadilah
Jurnal Pendidikan MIPA Vol 24, No 3 (2023): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract: The purpose of this research is to design learning combinatorics sub-material factorial, permutation, combination and chance with RME approach. This research is a qualitative research. With this research method using design research. The research techniques used are measurement techniques, direct observation and documentation with tools in the form of objective tests, observation sheets and document sheets. The research subjects were 2 classes, namely A1 and A2 classes in the Mathematics Education Mathematics Statistics course specifically combinatorics material totaling 35 students with the learning trajectory in the form of numbers that were applied alternately to students. The conclusion of this research is obtained: 1) in the factorial sub-material, students are introduced to the RME approach that 4!= 24 , 3!= 6, 2!= 2 , 1!=1until it is proven that 1!=1in the permutation and combination sub material, students are directed to be examples of the same numbers and letters that form the rules of permutation and combination in the opportunity sub-material, students are exemplified about coins and dice, both in one, two, and three pieces in the context of the problem. Keywords: learning design, rme approach, design research Abstrak: Tujuan dari penelitian ini adalah mendesain pembelajaran materi kombinatorika sub materi factorial, permutasi, kombinasi dan peluang dengan pendekatan RME. Penelitian ini berjenis penelitian kualitatif. Dengan metode penelitian ini menggunakan design research. Teknik penelitian yang digunakan adalah teknik pengukuran, observasi langsung dan dokumentasi dengan alatnya berupa tes objektif, lembar pengamatan dan lembar dokumen. Subjek penelitiannya ada 2 kelas yaitu kelas A1 dan A2 pada mata kuliah Statistika Matematika Pendidikan Matematika terkhusus materi kombinatorika berjumlah 35 mahasiswa dengan lintasan belajarnya berupa Number-Number yang diterapkan secara bergantian ke mahasiswa. Kesimpulan dari penelitian ini diperoleh: 1) pada sub materi factorial, peserta didik dikenalkan dengan pendekatan RME bahwa 4!= 24 , 3!= 6, 2!= 2 , 1!=1 sampai dibuktikan bahwa 1!=1 pada sub materi permutasi dan kombinasi, peserta didik diarahkan for menjadi contoh Number dan huruf yang sama sehingga membentuk aturan permutasi dan kombinasi tersebut pada sub materi peluang, peserta didik dicontohkan tentang mata uang logam dan dadu, baik dalam sebuah, dua buah, maupun tiga buah dalam konteks masalah. Kata kunci: desain pembelajaran, pendekatan rme, penelitian desainDOI: http://dx.doi.org/10.23960/jpmipa/v24i3.pp594-602

OPTIMALISASI KETERAMPILAN KOLABORASI DALAM MENINGKATKAN KEMAMPUAN MAHASISWA MERANCANG ASESMEN AUTENTIK Zubaidah R; Munaldus; Dona Fitriawan; Nurfadilah Siregar
JUMLAHKU: Jurnal Matematika Ilmiah STKIP Muhammadiyah Kuningan Vol 11 No 1 (2025): JUMLAHKU VOL.11 NO.1 2025
Publisher : Program Studi Pendidikan Matematika Universitas Muhammadiyah Kuningan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33222/jumlahku.v11i1.4554

Tujuan penelitian ini untuk mendeskripsikan: 1) profil keterampilan kolaborasi mahasiswa; 2) kemampuan mahasiswa dalam merancang alat ukur asesmen autentik yang meliputi dimensi sikap, kognitif, dan keterampilan. Jenis penelitian kualitatif dengan pendekatan deskriptif. Penelitian dilaksanakan di FKIP Untan Pontianak dengan melibatkan 49 mahasiswa yang mengikuti perkuliahan penilaian pembelajaran matematika. Teknik pengumpulan datanya adalah teknik pengukuran dan komunikasi tidak langsung dengan instrumennya berupa tes kemampuan dan angket skala kolaborasi. Hasil penelitiannya adalah: profil kolaborasi yang dicapai terdiri dari konstribusi mahasiswa sebesar 48,6%. teknik penyelidikan sebesar 50,8%. fleksibilitas sebesar 80,5%, ketergantungan positif sebesar 71%, tanggung jawab sebesar 49,3%; 2) dimensi sikap yang memperoleh kategori sangat tinggi sebesar 16,33%, tinggi sebesar 44,33%, sedang sebesar 25%, dan rendah sebesar 14,33%; 3) dalam dimensi kognitif yang memperoleh kategori sangat tinggi sebesar 24,5%, tinggi sebesar 38,7%, sedang sebesar 22,5%, dan rendah sebesar 14,3%; dan 4) dalam dimensi keterampilan yang memperoleh kategori sangat tinggi sebesar 20,5%, tinggi sebesar 36,7%, sedang sebesar 26,5%, dan rendah sebesar 16,3%. Dari penelitian ini diperoleh keterampilan kolaborasi mahasiswa tergolong kuat, kemampuan mahasiswa merancang instrument skala sikap tergolong tinggi, kemampuan mahasiswa merancang penilaian kognitif tergolong sedang, dan kemampuan mahasiswa merancang instrument pengukuran keterampilan tergolong sedang.

Efektivitas Model SAVI terhadap Kemampuan dan Disposisi Berpikir Kritis Siswa SMP pada Materi Rasio Anggraini, Widia; Mirza, Ade; Siregar, Nurfadilah; Yusmin, Edy; Jamiah, Yulis
Jurnal Fibonaci: Jurnal Pendidikan Matematika Vol. 6 No. 1 (2025): Jurnal Fibonaci: Jurnal Pendidikan Matematika
Publisher : Prodi Pendidikan Matematika FMIPA Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jfi.v6i1.66428

Masih rendahnya kemampuan berpikir kritis dan disposisi berpikir kritis siswa menjadi tantangan dalam proses pembelajaran. Untuk mengatasi hal tersebut, diterapkanlah model pembelajaran Somatic, Auditory, Visual, Intellectual (SAVI) guna mengembangkan kedua aspek tersebut pada materi rasio di kelas VII SMP Negeri 9 Kota Pontianak. Penelitian ini menerapkan pendekatan kuantitatif degan desain nonequivalent posttest-only control group. Dalam pelaksanaannya, data diperoleh melalui dua bentuk instrumen, yakni instrumen berbasis tes serta non-tes. Adapun tes terdiri atas soal uraian sebanyak 2 soal dan non-tes berupa angket disposisi berpikir kritis sebanyak 28 pernyataan. Analisis data dilakukan dengan uji t-test untuk kemampuan berpikir kritis, uji Mann-Whitney U untuk disposisi berpikir kritis, serta analisis effect size untuk mengukur besarnya pengaruh model SAVI. Hasil penelitian mengungkapkan bahwa adanya pengaruh model pembelajaran SAVI pada kemampuan dan disposisi berpikir kritis siswa, yang mana terlihat dari rerata nilai kemampuan dan disposisi berpikir kritis siswa yang mendapatkan pengajaran dengan model SAVI lebih tinggi dibandingkan siswa yang mendapatkan pengajaran menggunakan model pembelajaran langsung. Hasil perhitungan effect size memperlihatkan bahwa model SAVI mempunyai tingkat pengaruh yang besar terhadap kemampuan berpikir kritis siswa, namun pengaruhnya terhadap disposisi berpikir kritis tergolong kecil. Dengan demikian, model SAVI dapat dijadikan alternatif untuk menunjang peningkatan kemampuan serta disposisi berpikir kritis siswa.

AljabarMath: The way to foster critical thinking ability Syaras, Arfina Sukma; Mirza, Ade; Siregar, Nurfadilah; Suratman, Dede
International Journal on Education Insight Vol. 5 No. 1 (2024)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/ijei.v5i1.13679

Critical thinking ability are important for facing challenges in the 21st century. There are ways to foster critical thinking ability, one of which is through mathematics using learning media. This paper provides an overview of how to foster critical thinking ability, especially among students who used to learn media AljabarMath. This study aims to describe the level of students’ critical thinking ability in mathematics especially algebra subject grades VII SMP Negeri 10 Pontianak by using the AljabarMath. The method used is quantitative descriptive research. Data analysis was done to determine the percentage of critical thinking ability achieved based on indicators measured following the use of AljabarMath. The findings show that: 1) 68% of students were able to comprehend and articulate the purpose of a problem by identifying what was known and asked; 2) 64% of students were able to make a mathematical model in order to identify the relationship between statements, questions, and concepts given in the questions indicated.; 3) students who demonstrated the ability to assess the veracity of statements using the appropriate technique by 64%; and 4) students who demonstrated the ability to make accurate conclusions by taking into account pertinent information and the implications of a problem based on the available data by 62%. The utilization of AljabarMath can enhance students' critical thinking ability in algebra classes, according to the study's findings.

Gender differences in visual mathematical thinking: A case study on algebra problem solving and e-learning integration using edlink Fitriawan, Dona; Siregar, Nurfadilah; Rif’at, Mohammad
Al-Jabar: Jurnal Pendidikan Matematika Vol 16 No 1 (2025): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ajpm.v16i1.26768

Purpose: This research aims to 1) analyze gender-based differences in visual mathematical thinking for solving algebraic problems, 2) explore how e-learning technology, specifically the Edlink platform, supports algebra understanding through visualization, and 3) assess the effectiveness of mathematical software in aiding students to visualize and solve algebraic problems. Method: A qualitative approach with a descriptive-exploratory method was used for this study. It involved a case study of students enrolled in the Mathematics Education Program who attended algebra courses. Data were collected through tests, questionnaires, interviews, direct observation, and documentation. The study sample consisted of 278 students, including 98 male and 180 female participants. Descriptive statistics and independent samples t-tests were employed to analyze the gender-based differences in visual thinking abilities. Findings: The results indicate that male students demonstrated more dominant visual mathematical thinking abilities compared to female students, particularly in understanding, imagining, and presenting algebraic solutions. Statistically, the independent samples t-test revealed a significant gender difference (p < 0.001). The use of the Edlink e-learning platform was found to be effective in aiding students' algebra understanding through enhanced visualization of mathematical concepts. Significance: The study concludes that gender differences affect visual mathematical thinking abilities, with male students showing greater proficiency in solving algebraic problems visually than female students. Furthermore, the integration of the Edlink e-learning platform significantly enhanced students' understanding of algebraic concepts through effective visualization. Therefore, incorporating technology in mathematics education can enrich the learning experience and improve student outcomes.

Self-efficacy dan kemampuan pemecahan masalah siswa SMP pada materi barisan dan deret aritmatika Saetban, Iche Imelda; Jamiah, Yulis; Yusmin, Edy; Yani, Ahmad; Siregar, Nurfadilah
JPMI (Jurnal Pembelajaran Matematika Inovatif) Vol. 8 No. 3 (2025): JPMI
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jpmi.v8i3.23153

Finding out how well one can solve issues involving mathematical sequences and series is the primary goal of this study. The confidence that students feel after they have solved a problem is strongly correlated with their problem-solving ability, which is why this study was carried out. A quantitative technique based on survey methodology is used in this study. Thirty students from class IXA at SMPN 8 Pontianak made up the sample for this research, which used basic random sampling to determine the population. The tool used consisted of a 26-statement self-efficacy questionnaire with Likert scale measurements and a 4-question problem-solving skill test with four indications. The results were examined by using the Spearman Rank method to the collected data. Since the study data included both ordinal and interval variables, the Spearman Rank method was used. Findings indicated that self-efficacy and problem-solving skills were unrelated.

Plickers Media to Boost 10th Graders’ Motivation and Performance through Number Head Together Cooperation Septiza; Ahmad Yani T; Nurfadilah Siregar; Edy Yusmin; Hamdani
Indonesian Journal of Educational Research and Review Vol. 8 No. 2 (2025): July-INPRESS
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/ijerr.v8i2.89391

During mathematics lessons, most teachers still used limited teaching media, such as blackboards, that tended to be monotonous. This had an impact on low motivation and learning outcomes for students. This study analyzed the effect of implementing Plickers media in the NHT type cooperative learning model on student motivation and learning outcomes in class X. The type of this research was quasi experimental with a nonequivalent posttest only control group design, using a quantitative approach. All tenth-grade students were the population. The sample used purposive sampling, with class XC consisting of 33 students as the experimental class. Data collection instruments included non-test methods such as a learning motivation questionnaire with 18 statements and a learning outcome test consisting of 5 multiple-choice questions with varying difficulty levels. The questionnaire data were converted using the Method of Successive Interval, and the students' learning outcomes were analyzed using the t-statistical test after meeting the prerequisites of homogeneity and normality. The research showed that student motivation and learning outcomes in classes that implemented Plickers media in the NHT cooperative learning model were better than in classes without Plickers media. Thus, it was concluded that applying Plickers media in the NHT type cooperative learning model significantly impacted students' motivation and learning outcomes. This research implied that applying Plickers media in the NHT type cooperative learning model could be an alternative for teachers to enhance student motivation and learning outcomes.

Analisis Kemampuan Pemecahan Masalah Ditinjau dari Self-Efficacy Matematis: Studi pada Siswa Kelas VIII SMP SMP Negeri 16 Sungai Raya Anggraini, Wahyu; T, Ahmad Yani; Siregar, Nurfadilah; Meldi, Nadya Febriani
Jurnal Alwatzikhoebillah : Kajian Islam, Pendidikan, Ekonomi, Humaniora Vol. 11 No. 1 (2025): Jurnal Alwatzikhoebillah : Kajian Islam, Pendidikan, Ekonomi, Humaniora
Publisher : Institut Agama Islam Sultan Muhammad Syafiuddin Sambas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37567/alwatzikhoebillah.v11i1.3222

Problem solving skill is an essential component of mathematics learning. However, in reality, students's problem-solving skills are still low. Internal factors are among the causes that affect students in learning mathematics. One of these internal factors is mathematical self-efficacy. This study aims to examine mathematical problem solving skill in relation to the mathematical self-efficacy of eight-grade students at SMP Negeri 16 Sungai Raya on the topic of linear equations in two-variable. The method used in this research is qualitative descriptive, with data collection techniques including questionnaires, written tests, and interviews. The subjects of study consisted of 6 students representing each category of mathematical self-efficacy. The results indicate that students with high mathematical self-efficacy have very good problem-solving skills. Students with moderate mathematical self-efficacy demonstrate good problem-solving skills, although they have not maximally met all problem-solving indicators. Meanwhile, students with low mathematical self-efficacy exhibit less satisfactory problem-solving skills.

Pembelajaran Berdiferensiasi pada Pembelajaran Matematika: Sebuah Kajian Literatur Tomo, Tomo; T, Ahmad Yani; Siregar, Nurfadilah; Meldi, Nadya Febriani
Jurnal Alwatzikhoebillah : Kajian Islam, Pendidikan, Ekonomi, Humaniora Vol. 11 No. 1 (2025): Jurnal Alwatzikhoebillah : Kajian Islam, Pendidikan, Ekonomi, Humaniora
Publisher : Institut Agama Islam Sultan Muhammad Syafiuddin Sambas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37567/alwatzikhoebillah.v11i1.3238

This study discusses the understanding of differentiated learning in mathematics learning and its essence. The research method used is library research. Based on the results of the study, it was found that differentiated learning by paying attention to learning readiness, learning profiles, interests and talents of students is implemented to improve mathematical creative thinking skills. In addition, differentiated learning design as a solution to problems because it accommodates every student's needs and characteristics. In addition, the planned learning already includes differentiation of content, process, product, and learning environment so that efforts that can be made to overcome difficulties in learning mathematics, namely teachers can apply differentiated learning optimally.

Media Pembelajaran Interaktif untuk Meningkatkan Minat Siswa Belajar Matematika di SMA Negeri 1 Tayan Hulu Hendratmoko, Yayan; T, Ahmad Yani; Siregar, Nurfadilah; Meldi, Nadya Febriani; Afni, Nur; Rahmawati, Dian
Jurnal Alwatzikhoebillah : Kajian Islam, Pendidikan, Ekonomi, Humaniora Vol. 10 No. 2 (2024): Jurnal Alwatzikhoebillah : Kajian Islam, Pendidikan, Ekonomi, Humaniora
Publisher : Institut Agama Islam Sultan Muhammad Syafiuddin Sambas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37567/alwatzikhoebillah.v10i2.3245

The interest in learning mathematics among students is still considered low, with many students perceiving this subject as difficult. Learning interest is a crucial factor for achieving academic success, prompting educators to innovate and be creative in their teaching methods. One approach that can enhance student engagement is the use of interactive and appealing learning media. This study utilized the Quizizz application with the Lesson feature to explore its impact on students' interest in learning in the 12th grade at SMAN 1 Tayan Hulu. The method employed in this research is quantitative, using a quasi-experimental design with a Posttest Only Control Design model. Sampling was conducted using a Nonprobability Sampling technique, and the research instrument consisted of a questionnaire containing 25 positive statements. Data analysis was performed using SPSS Statistics 25.0 for Windows to conduct normality tests with the Kolmogorov-Smirnov method, homogeneity tests with Levene, and hypothesis testing using a t-test with a significance level of 0.05. The analysis results indicated that the t-value of 8.768 was greater than the t-table value of 2.011, indicating a significant effect of using Quizizz as an interactive media on students' interest in learning mathematics. Thus, this study demonstrates that interactive media can positively contribute to increasing students' interest in learning.

Co-Authors Ade Mirza Afandi Afandi Afni, Nur Agatha Rinta Suhardi Agung Hartoyo Ahmad Yani ahmad yani Ahmad Yani T Andi Besse Tenriawaru Anggraini, Widia Apriliyanti, Ignasia Aripin Arnandi, Fikri Asep Nursangaji Asri, Sari Devi Awaluddin, Muhammad Risky Nur Bistari Budhysatrya, Dian Ahmad Cahya Gita Camila Damayanti Lestari, Wiwit Dede Suratman Deviana Deviana Dian Ahmad BS Dian Rahmawati Dona Fitrawan Dona Fitriawan Dwi Apriyani Dwi Apriyani, Dwi Edy Yusmin Eka Pratiwi Eka, Firmina Eka, Firmina Endar Sulistyowati Erlinawaty Simanjuntak, Erlinawaty Farida Hendriani Febriani Meldi, Nadya Fikri Arnandi Fransiska Fransiska Fredi Ganda Putra Gunawan, Fransiskus Hendra Halini - Hamdani Hamdani . Hamdani Hamdani Hardiany, Desi Hendratmoko, Yayan Hendratmoko, Yayan Herlinda, Mega Herni Indriastuti Iis Aisyah Iis Aisyah Juwita, Viva Khomsatun Ni’mah Krisdiyanti, Iis Lestari Pasaribu, Revi Luhur Wicaksono Mardian, Fauzy Marianus Hengki Marlinda Marlinda Mega Herlinda Meldi, Nadia Febriani Meldi, Nadya Febriani Metia Novianti Mikraj, Hamdani Mohamad Rif'at Mohamad Rif'at mohamad rifat Mohamad Rif’at Mohamad Rif’at Much Nasyrullah Muhammad Afif Munaldus Munaldus . Nabila Muthia Ayu Nani Ratnaningsih Ni'mah, Khomsatun Nur Afni Nur Awaluddin, Muhammad Risky Nuratifah, Stefania Nurhasanah siregar Nurhasanah Siregar . Nurhayati Nurhayati Nurul Azkiya Pajarudin, Kurniadi Pasaribu, Revi Lestari Permanda, Saul Prayoga, Ananda Puput Putra, Tegar Ramadiansyah Rachmat Sahputra Rachmat Saputra Rahmawati, Dian Ri'fat, Mohamad Rianto, Vina Muthmainna Rif'at, Mohammad Rifat, Mohammad Rif’at, Mohamad Rif’at, Mohammad Rinda Kusmayanti Roisah, Siti Rostina Rostina Runisah, Runisah Rustam Rustam S, Nadiyah Amanati Saetban, Iche Imelda Saputra, Rachmat Saragih, Grace Angel Rhena Septiza Shinta Herawati, Lely silvia sayu - Sudiansyah, Sudiansyah Sugiatno . Sugiatno Sugiatno Sumarno, Mahmuda Syafitri, Kintan Salsabila Hasria Syaras, Arfina Sukma T, Ahmad Yani T, Ahmad Yani T., Ahmad Yani Tambunan, Muhammad Al Azhari Theresia Theresia Tomo, Tomo Verminus Wahyu Anggraini, Wahyu Winarji, Agus Wiwit Artika Yani T, Ahmad Yani. T, Ahmad Yulis Jamiah Yulita Molliq Rangkuti Yuni Apriani Zaiturrahmah, Zaiturrahmah Zubaidah R Zubaidah R Zubaidah R, Zubaidah Zubatasari, Ayu Puspita

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