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Evangelista Lus Windyana Palupi
Universitas Negeri Surabaya
Agriculture, Biological Sciences & Forestry Humanities Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Engineering Environmental Science Languange, Linguistic, Communication & Media Library & Information Science Mathematics Social Sciences Other

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Journal : MATHEdunesa

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Pengembangan Modul Berbasis Etno-RME Berbalut Konteks Wayang Kulit Mahabharata pada Materi Himpunan untuk Siswa Kelas 7 Salsa Bella Yuliani; Silvia Kumala Dewi; Zulfa Qurrotu Ain; Evangelista Lus Windyana Palupi
MATHEdunesa Vol 12 No 1 (2023): Jurnal Mathedunesa Volume 12 Nomor 1 Tahun 2023
Publisher : Program Studi S1 Matematika UNESA

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (914.693 KB) | DOI: 10.26740/mathedunesa.v12n1.p108-128

Abstract

Matematika adalah ilmu yang sangat penting karena berlaku untuk semua aspek kehidupan. Diperlukan pemahaman matang dalam mengkaji matematika. Salah satu alternatif memahami matematika adalah dengan mengintegrasikan budaya lokal dalam pembelajaran. Salah satu budaya lokal adalah pertunjukan wayang kulit mahabharata. Tujuan dari penelitian ini yakni mengetahui kelayakan bahan ajar berupa modul berbasis etno-RME yang dihasilkan dari pengembangan eksplorasi wayang kulit Mahabharata pada materi himpunan. Pendekatan yang digunakan dalam penelitian ini adalah dengan menggunakan jenis penelitian pengembangan atau Research and Development (R&D) dengan model ADDIE. Adapun subjek pada penelitian ini berjumlah 6 orang dengan kriteria siswa kelas 7 SMP yang telah memperoleh materi himpunan. Hasil penelitian menunjukkan bahwa tingkat kelayakan modul berdasarkan nilai dari ahli media sebesar 93% dan nilai dari penerapan modul pada subjek perdasarkan angket sebesar 87,17% sehingga modul yang dikembangkan termasuk dalam kategori sangat layak.
Representasi Matematis Siswa dalam Menyelesaikan Masalah Teorema Pythagoras berdasarkan Tahapan Polya Ditinjau dari Perbedaan Gender Dinda Putri Lestari; Evangelista Lus Windyana Palupi
MATHEdunesa Vol 12 No 2 (2023): Jurnal Mathedunesa Volume 12 Nomor 2 Tahun 2023
Publisher : Program Studi S1 Matematika UNESA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/mathedunesa.v12n2.p588-610

Abstract

Mathematical representations is the real product or result that represent mathematical ideas in various forms, such as diagrams, graphs and other concrete forms to help finding solutions to problems. Mathematical representation in problem solving is the main thing since, the use of right mathematical representation can help in solving the problem correctly. The purpose of this research is to describe the mathematical representation of masculine male students and feminine female students in solving Pythagorean Theorem problems based on Polya's stages. The research method used is descriptive qualitative. The research subjects were 3 masculine male students and 3 feminine female students at Junior High School 2 Gresik. Data is collected using BSRI questionnaire, mathematical ability test, problem solving test, and interviews. The results of problem solving test were showed that at the stage of understanding the problem, masculine male students presented known information using visual and symbolic representations while feminine female students used verbal and symbolic representations. To present what is being asked, masculine male students and feminine female students using verbal representations. At the planning stage, masculine male students and feminine female students explained solving strategies using verbal representations. At the stage of carrying out the plan, masculine male students and feminine female students solving the problems using visual, symbolic, and verbal representations, and presenting the results of the solution using verbal representations. At the re-examining stage, masculine male students and feminine female students using verbal representations to conclude the completion results and checking the completion results using symbolic representations.
Komunikasi Matematika Siswa SMP Berkecerdasan Logis-Matematis, Linguistik, dan Spasial dalam Memecahkan Masalah Sistem Persamaan Linear Dua Variabel Sholikha, Rizka Ayu Amanatush; Palupi, Evangelista Lus Windyana
MATHEdunesa Vol. 12 No. 3 (2023): Jurnal Mathedunesa Volume 12 Nomor 3 Tahun 2023
Publisher : Program Studi S1 Matematika UNESA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/mathedunesa.v12n3.p1032-1060

Abstract

Communication is an important part of learning mathematics and needs to be mastered by students. The facts show that junior high school students written and oral mathematical communication in the matter of systems of linear equations of two variables is still lacking. Intelligence is one factor that causes it. Each student has different intelligence, including logical-mathematical, linguistic, and spatial. This indicates that students written and oral mathematical communication with intelligence is related. The purpose of this research is to describe the written and oral mathematical communication of junior high school students who have logical-mathematical, linguistic, and spatial. This research is a qualitative descriptive study. The subjects of this study were two students of VIII-G and one student of VIII-H at SMPN 3 Surabaya with different types of intelligence and equal levels of mathematical ability. The data collection method in this study was through multiple intelligence test, written math communication test, oral math communication test, and interview. The results of the written and oral mathematical communication test will be analyzed to determine the written and oral mathematical communication of each subject. The results showed that students with logical-mathematical demonstrated the process of communicating mathematical ideas in writing, namely interpreting ideas from mathematical problems, expressing everyday situations or events into mathematical models, constructing arguments, and making generalizations. Students with logical-mathematical also show the process of communicating mathematical ideas orally, namely interpreting ideas from mathematical problems, expressing everyday situations or events into mathematical models, and constructing arguments. Meanwhile, students with linguistic show the process of communicating mathematical ideas in writing, namely interpreting ideas from mathematical problems and expressing everyday situations or events into mathematical models. Linguistically students also show the process of communicating mathematical ideas orally, namely interpreting ideas from mathematical problems, expressing everyday situations or events into mathematical models, constructing arguments, and making generalizations. For students with spatial, it shows the process of communicating mathematical ideas in writing, namely expressing everyday situations or events into mathematical models. Students with spatial also show the process of communicating mathematical ideas orally, namey interpreting ideas from mathematical problems, expressing everyday situations or events into mathematical models, constructing arguments, and making generalization.
Pengembangan E-Book Numerasi Materi Statistika Kelas X SMA Muallif, Mukhammad Hasan; Palupi, Evangelista Lus Windyana
MATHEdunesa Vol. 12 No. 3 (2023): Jurnal Mathedunesa Volume 12 Nomor 3 Tahun 2023
Publisher : Program Studi S1 Matematika UNESA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/mathedunesa.v12n3.p1061-1079

Abstract

This study aims to produce numeracy e-books that are feasible and valid in terms of content, presentation, and language and describe the practicality in terms of teacher and student response questionnaires and the effectiveness of numeracy e-books as learning media on statistics material in terms of improving pretest and posttest results. This research is an R&D research with the 4D method (Define, Design, Develop, Disseminate), only until the development stage (develop) but still tested limitedly to students. The Numeracy E-book developed was tested on students of class X-3 SMA Negeri 12 Surabaya. Based on the results of the research that has been done, the development of E-book Numeration on statistics material obtained content validation results of 86% and construct validation results of 87% with a very valid category and feasible to use. In the aspect of practicality, the results of very positive responses from students and teachers were 96% with a very practical category. The effectiveness aspect based on the pretest and posttest results obtained an average n-gain score of 0.71 with a high category. Thus, overall this study can be concluded that the Numeracy E-book developed is feasible to use as a learning media on statistics material.
Pengembangan Mobile Learning Application Berbasis Android untuk Mengajarkan Pemodelan Matematika pada Materi Pertidaksamaan Linear Satu Variabel Sugandi, Oktavia Wahyu; Palupi, Evangelista Lus Windyana; Hidayat, Dayat
MATHEdunesa Vol. 13 No. 2 (2024): Jurnal Mathedunesa Volume 13 Nomor 2 Tahun 2024
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/mathedunesa.v13n2.p641-659

Abstract

One Variable Linear Inequalities (PtLSV) material is one of the materials in mathematics that is related to real problems. In reality, there are still many students who have difficulty solving PtLSV, especially doing mathematical modeling of PtLSV problems. Mathematical modeling is the process of transforming real problems into the form of a mathematical model. One effort that can support the teaching of mathematical modeling is using learning media in the form of an Android-based mobile learning application. This study aims to describe the process of developing a mobile learning application based on Android to teach mathematical modeling in the PtLSV material and to describe the results of developing a mobile learning application based on Android to teach mathematical modeling in the PtLSV material that are valid, practical, and effective. This research uses the ADDIE development model consisting of 5 stages: Analysis, Design, Development, Implementation, and Evaluation. Research instruments used include validation sheets, student response questionnaires, pre-test, and post-test. This media was validated by three validators consisting of media experts and material experts. Media trials were conducted on seventh-grade students at SMP Negeri 8 Surabaya in one class. Based on the research results, the developed learning media meets the valid criteria based on media experts at 3,65, which falls into the valid category, and material experts at 3,59, which also falls into the valid category. It meets practical criteria based on the response questionnaire at 3,31, which falls into the very good category, and meets effective criteria based on pre-test and post-test with an average N-Gain Score of 0,96, which falls into the high category.
Pengembangan Hypothetical Learning Trajectory Materi Perkalian Bentuk Aljabar Kelas VII dengan Pendekatan Realistic Mathematics Education Yuliani, Salsa Bella; Palupi, Evangelista Lus Windyana; Fiangga, Shofan
MATHEdunesa Vol. 13 No. 2 (2024): Jurnal Mathedunesa Volume 13 Nomor 2 Tahun 2024
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/mathedunesa.v13n2.p550-575

Abstract

The Hypothetical Learning Trajectory (HLT) has a role in constructing potential learning paths for students based on their thinking. It includes learning objectives, learning activities, and learning hypotheses to help students reach the desired endpoint. Therefore, this research aims to produce a learning trajectory for algebraic multiplication using the Realistic Mathematics Education (RME) approach. The method used is design research, consisting of three stages: Preparing for the Experiment, Design Experiment, and Retrospective Analysis. The HLT design was tested on 6 participants selected based on the lowest scores on a pre-test. This research was conducted up to the pilot experiment stage with five activities aimed at learning objectives, including the multiplication of forms or for activity 1, the multiplication of forms for activity 2, the multiplication of forms or for activity 3, the multiplication of forms or for activity 4, and the multiplication of forms for activity 5. Video recordings, field notes, documentation of student work, and pre-test and post-test data were collected in this study. The results of this study indicate that HLT design 1, which emerged from the design implementation, can help students learn algebraic multiplication. Meaningful contexts for students, combined with questions posed by the teacher, encourage students to think about the mathematical ideas discussed, thereby generating different strategies for solving given problems. Keywords: HLT, RME, Design Research, Algebraic Multiplication
Pengembangan e-Comic Matematika Berbasis Pendekatan Matematika Realistik (PMR) pada Materi Persamaan Linear Satu Variabel Yuniawati, Sinta; Palupi, Evangelista Lus Windyana; Fiangga, Shofan
MATHEdunesa Vol. 13 No. 2 (2024): Jurnal Mathedunesa Volume 13 Nomor 2 Tahun 2024
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/mathedunesa.v13n2.p576-595

Abstract

E-comic mathematics is a comic-shaped learning supplement whose creation and use process utilizes technological media. The use of e-comic as a learning supplement is intended to assist students in learning the concept of a mathematical material independently outside of classroom learning activities. Realistic mathematics approach (PMR) is a learning theory in mathematics education that connects mathematics with real life and human activities. Linear equation of one variable (PLSV) is a mathematics material in grade VII. The definition of PLSV is an equation that has only one variable with the highest rank of degree one. This study aims to describe the process and results of the development of PMR-based math e-comic on PLSV material which is measured through aspects of validity, practicality, and effectiveness. The subjects in this study were seventh grade students who had received algebraic arithmetic operation material. This research is a development research using ADDIE development model with five phases namely analysis, design, development, implementation, and evaluation. Data collection methods in this study are: validation by experts, one-to-one trials, and field tests. The results showed that the math e-comic met the criteria of being very valid with an average percentage value from the validator of 91.15%. The results of the user response questionnaire in the field test showed an average percentage value of 82.5% and met the practical criteria. In addition, there was an increase in student learning outcomes in the pretest and post-test indicated by the acquisition of an N-Gain value of 0.7 with a moderate upper limit category during the field test, thus meeting the effective criteria. Based on the evaluation results, it shows that the PMR-based math e-comic on PLSV material developed has met the valid, practical, and effective criteria.
Verbal Mathematical Communication in Solving Sequence and Series Problem Based on Learning Style Putri, Ulinnuha Aisya; Palupi, Evangelista Lus Windyana
MATHEdunesa Vol. 13 No. 3 (2024): Jurnal Mathedunesa Volume 13 Nomor 3 Tahun 2024
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/mathedunesa.v13n3.p870-882

Abstract

The research aims to describe students’ verbal mathematical communication skills in solving sequence and series problems, considering their visual, auditory, and kinesthetic learning style. The study addresses the issue that many students still struggle to express their thoughts on sequence and series problems. A qualitative approach is employed in this study, focusing on grade XI students who exhibit a dominant visual, auditory, and kinesthetic learning style. Data collection methods include a learning style assessment, a prerequisite test, and both oral test and written tests on mathematical problem-solving. Results from the oral and written tests are analyzed to characterize each student’s verbal and written mathematical communication. Findings indicate that visual students struggle to verbally communicate mathematical ideas but are able to provide solutions and conclusions. Auditory learners, who excel at learning through listening, meet all indicators, effectively communicating mathematical ideas, presenting solutions, and making conclusions. Meanwhile, kinesthetic learners face challenges to satisfy one of the indicators, namely making conclusions but able to communicate mathematical ideas and provide the solution in their preferred way.
Pengembangan Lembar Kerja Peserta Didik Materi Teorema Pythagoras Kelas VIII dengan Pendekatan Realistic Mathematics Education Oktavia, Siwi Putri; Palupi, Evangelista Lus Windyana
MATHEdunesa Vol. 14 No. 2 (2025): Jurnal Mathedunesa Volume 14 Nomor 2 Tahun 2025
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/mathedunesa.v14n2.p410-430

Abstract

Although Kurikulum Merdeka encourages active and project-based learning, many teachers have difficulty compiling appropriate student worksheet. To overcome the difficulties experienced by teachers, it is necessary to conduct research on the development of student worksheet to be used as a reference by teachers. This study aims to describe the development process and the results of the validity, practicality, and effectiveness of RME student worksheet for the Pythagorean theorem. This development research uses the research design of ADDIE (Analysis, Design, Development, Implementation, and Evaluation). Student worksheet was developed based on iceberg activities designed at the design stage. The ‘situational’ level solves the problem of the square tangram context, the ‘model of’ level constructing a right triangle from several square pieces and identifying its area, the ‘model for’ level determining the length of the sides of a right triangle, and the ‘formal’ level formulating the concept and formula of the Pythagorean theorem. The Realistic Mathematics Education approach is crucial in learning as it presents problems closely related to students' lives, helping them understand faster. This aligns with the Kurikulum Merdeka;s goal of using student-based experiential learning.. Validation was carried out by three validators, then the student worksheet was tested on 30 students of class VIII of SMP Negeri 24 Surabaya. The data collected included learning implementation data, student responses, and pre-test post-test. The validation results show that the student worksheets reached the very valid criteria with a score of 4.4048. The practicality of student worksheet based on the results of the learning implementation data analysis reached the very practical criteria with an average percentage of 94.79% and student responses reached the practical criteria with a total average of 80.20%. The effectiveness based on the N-gain score of student learning outcomes reached moderate criteria with a score of 0.49. This student worksheet focuses on a fun and familiar learning process through paper crafting activities, with students responding positively to it. Thus, the RME student worksheet for the Pythagorean theorem is proven to be valid, practical, and effective.
Co-Authors Abda Abda Abdul Haris Rosyidi Agung Lukito Ahmad Wachidul Kohar Dayat Hidayat Dinda Putri Lestari Dini Kinati Fardah Dini Kinati Fardah Dini Kinati Fardah Dwi Juniati Fiangga, Shofan Fildzah, Natasya Nurhusnina Ika Kurniasari Kartikawati, Wahyu Manuharawati MASRIYAH Masriyah Masriyah Mayang Purbaningrum Mayang Purbaningrum Muallif, Mukhammad Hasan Mubarkah, Resti Elmi Nina Prihartiwi Nisa’, Thoiffatul Khusnun Oktavia, Siwi Putri Purbaningrum, Mayang Putri, Hani Rizkia Putri, Ulinnuha Aisya Rooselyna Ekawati Salsa Bella Yuliani Setianingsih, Rini Sholikha, Rizka Ayu Amanatush Silvia Kumala Dewi Siti Khabibah Siti Khabibah Siti Maghfirotun Amin Sugandi, Oktavia Wahyu Susanah Susanah, Susanah Susanah Sylvana Novilia Sumarto Sylvana Novilia Sumarto Tatag Yuli Eko Siswono tazkia, savirra Thoiffatul K. Nisa Viky H. Putra Yuliani, Salsa Bella Yuniawati, Sinta Zulfa Qurrotu Ain