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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 : Program Studi S1 Matematika UNESA

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

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 : Program Studi S1 Matematika UNESA

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

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 : Program Studi S1 Matematika UNESA

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

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.

Developing pre-service mathematics teachers’ curriculum knowledge for designing mathematics lesson: A professional development model Ekawati, Rooselyna; Palupi, Evangelista Lus Windyana; Kohar, Ahmad Wachidul; Putri, Hani Rizkia
JRAMathEdu (Journal of Research and Advances in Mathematics Education) Volume 8 Issue 1 January 2023
Publisher : Lembaga Pengembangan Publikasi Ilmiah dan Buku Ajar, Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jramathedu.v8i1.2295

This paper aims to describe an innovative Teacher Professional Development Program (TPDP) to develop pre-service mathematics teachers’ curriculum knowledge. The participants of this study were eighteen pre-service mathematics teachers who have not learned about curriculum as a course in their teacher education program. Two different instruments to measure Pre-Service Teacher Curriculum Knowledge in the domain of statistics and algebra were delivered before and after the TPDP. The innovative TPDP for pre-service teachers in this study considered the current school mathematics curriculum as an entry object of learning. Furthermore, the triangle object such as the development of curriculum among countries, essential mathematics content, as well as designing lessons were elaborated in the model. The developed TPDP and pre-service teachers' lesson designs were described and analyzed qualitatively to see the pre-service teachers' curriculum knowledge. The result of the study shows that there is an improvement in Pre-Service Teachers' Curriculum Knowledge in almost all the components of Curriculum Knowledge, except basic skills and concepts. This implies that for designing a lesson plan, pre-service mathematics teachers need to carefully understand the school mathematics structure as a whole in a brief before the basic competence is reviewed.

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

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.

Developing E-Mowara: An archipelago-insighted electronic module to train middle school students' computational thinking skills Nisa’, Thoiffatul Khusnun; Tazkia, Savirra; Fildzah, Natasya Nurhusnina; Palupi, Evangelista LW
Jurnal Gantang Vol 9 No 1 (2024): Jurnal Gantang
Publisher : Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/jg.v9i1.6122

To face the challenges of Indonesian education in the 21st century, the requirements for abilities are crucial, but the facts show that students are less able to use and adapt their abilities with insights aligned with the identity of the Indonesian nation. For this reason, researchers developed an E-Mowara: Interactive Emodule with an Archipelagic Outlook. This study aimed to develop the E-Mowara electronic module and find out students' responses after using the developed media. The target of this study was class VIII junior high school students with number pattern material. This development research uses a design research type of development study. The data collection technique in this study used a questionnaire with data processing techniques analyzed using percentage data analysis techniques. This is based on the validation results in terms of the material average of 84.35% with the appropriate criteria, and in terms of media, an average of 85.90% with the appropriate criteria. Students' responses to E-Mowara were quite good, with a percentage of 92.5%. Based on this result, the E-Mowara Electronic Module is known as valid, easy to use, and effective in developing computational thinking skills with insights that are in harmony with the identity of the Indonesian nation.

Developing E-Mowara: An archipelago-insighted electronic module to train middle school students' computational thinking skills Nisa’, Thoiffatul Khusnun; Tazkia, Savirra; Fildzah, Natasya Nurhusnina; Palupi, Evangelista Lus Windyana
Jurnal Gantang Vol 9 No 1 (2024): Jurnal Gantang
Publisher : Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/jg.v9i1.6910

To face the challenges of Indonesian education in the 21st century, the requirements for abilities are crucial, but the facts show that students are less able to use and adapt their abilities with insights aligned with the identity of the Indonesian nation. For this reason, researchers developed an E-Mowara: Interactive Emodule with an Archipelagic Outlook. This study aimed to develop the E-Mowara electronic module and find out students' responses after using the developed media. The target of this study was class VIII junior high school students with number pattern material. This development research uses a design research type of development study. The data collection technique in this study used a questionnaire with data processing techniques analyzed using percentage data analysis techniques. This is based on the validation results in terms of the material average of 84.35% with the appropriate criteria, and in terms of media, an average of 85.90% with the appropriate criteria. Students' responses to E-Mowara were quite good, with a percentage of 92.5%. Based on this result, the E-Mowara Electronic Module is known as valid, easy to use, and effective in developing computational thinking skills with insights that are in harmony with the identity of the Indonesian nation.

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

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.

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