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Rizki Wahyu Yunian Putra

Universitas Islam Negeri Raden Intan Lampung

Author-ID : 2375758

Aerospace Engineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Languange, Linguistic, Communication & Media Library & Information Science Mathematics Physics Social Sciences Other

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Using the realistic mathematics education (RME) approach with scaffolding to enhance mathematical representation ability Putra, Rizki Wahyu Yunian; Sutiarso, Sugeng; Nurhanurawati, Nurhanurawati
Al-Jabar: Jurnal Pendidikan Matematika Vol 15 No 2 (2024): 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.v15i2.24560

Background: Mathematical representation skills are essential for understanding and applying mathematical concepts. However, many students struggle to connect abstract concepts to real-life situations, making it difficult for them to improve their representation skills.Aim: This study aims to develop and test the effectiveness of the Realistic Mathematics Education (RME) approach, supported by scaffolding, in improving students' mathematical representation skills.Method: The study followed the ADDIE model, which includes five steps: Analysis, Design, Development, Implementation, and Evaluation. The participants were 50 second-semester students from classes A, C, and D in the Mathematics Education program at UIN Raden Intan Lampung.Results: The development of the Realistic Mathematics Education (RME) model with scaffolding was validated by eight expert validators, confirming its validity and practicality. The model was designed to align with learning objectives, incorporate real-world contexts, and provide structured scaffolding tailored to students’ needs. During implementation, the model demonstrated practicality as students actively engaged with learning activities and gradually developed independence in problem-solving. The effect size calculation of 0.9, categorized as high, confirmed the model’s effectiveness in significantly enhancing students' mathematical representation skills.Conclusion: The RME approach with scaffolding is an effective method to improve the quality of mathematics learning in higher education. It helps students better understand and apply mathematical concepts by linking them to practical problems.

Alqurun Teaching Model-Based Trigonometry Teaching Material Putra, Rizki Wahyu Yunian; Suherman, Suherman; Anggoro, Bambang Sri; Pamungkas, Aan Subhan
Indonesian Journal of Science and Mathematics Education Vol. 3 No. 2 (2020): Indonesian Journal of Science and Mathematics Education
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ijsme.v3i2.5206

Learning in the industrial era 4.0 requires innovation in the development of teaching materials. The purpose of this research is to develop a valid and attractive Alqurun Teaching Model (ATM) teaching material for learning trigonometry. This research was a development research using the ADDIE (Analysis, Design, Development, Implementation, and Evaluation) model. Data were collected using a questionnaire. The small group test was conducted by 9 respondents and the large group test was carried out by 12 respondents. The results showed that based on material experts, this teaching material received a feasibility score of 4.06, 4.78 from media experts, and 4.19 from linguists, all of which indicated that this teaching material was in the very feasible category. The results of the small and large group tests showed a score of 3.36 and 4.21, meaning that this teaching material was very interesting. So, it can be concluded that this teaching material can be used in learning trigonometry.

Sparkol Learning Media: Is it Effective to Improve Students’ Mathematical Understanding? Yani, Meri; Shahril, Sulthan; Putra, Rizki Wahyu Yunian; Simatupang, Adolf T
Indonesian Journal of Science and Mathematics Education Vol. 3 No. 3 (2020): Indonesian Journal of Science and Mathematics Education
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ijsme.v3i3.5240

The aims of this study are to find out the view of the validator on learning Sparkol media, to find out the students’ views on learning the Sparkol media, to know the effectiveness of learning by using Sparkol learning media. This research and development used the ADDIE research model. Media development based on Sparkol Videoscribe using Research and Development with Addie model which has 5 stages: Analysis, Design, Development, Implementation, and Evaluation. Student responses to the feasibility of learning media with Sparkol show that this media is feasible and attractive to students. The effectiveness of learning using Sparkol Videoscribe-based mathematics learning media was tested in the range , this result shows that the category is quite effective.

Pembelajaran Problem Solving Modifikasi untuk Meningkatkan Kemampuan Pemahaman Konsep Matematis Siswa SMP Fahrudin, Fahrudin; Netriwati, Netriwati; Putra, Rizki Wahyu Yunian
Desimal: Jurnal Matematika Vol. 1 No. 2 (2018): Desimal : Jurnal Matematika
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/djm.v1i2.2556

The purpose of this study is to determine the improvement of the ability to understand mathematical concepts with problem-solving learning modification better than the ability to understand mathematical concepts with conventional learning. This research is a quantitative research type of quasi-experiment. Hypothesis test used in this research is t-test. The result of research indicates that the improvement of students' mathematical concept comprehension ability using problem-solving learning modification is better than the ability to understand mathematical concept using conventional learning.

Pengembangan Bahan Ajar Gamifikasi pada Materi Himpunan Wirawan, Yosi Marenda; Putra, Rizki Wahyu Yunian
Desimal: Jurnal Matematika Vol. 1 No. 3 (2018): Desimal : Jurnal Matematika
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/djm.v1i3.2964

The purpose of this study is to know whether the development of teaching materials gamification for seventh-grade students is feasible and interesting for use in junior high school. The subjects of the experiment were seventh-grade students at SMP Bandar Lampung. This research method is Research and Development (R&D), which a using Borg and Gall development model. The results of the assessment are: the expert assessment of the material giving a scored with an average percentage of 76% is categorized as highly feasible, the media or design experts scored with an average percentage of 71% categorized as feasible and the linguist gave a score with an average percentage of 69% categorized as feasible. In small group trials, an average of 3,6 was obtained with very attractive and feasible categories. In the field trial, it was found that the average of 3,4 was obtained with very attractive and feasible categories and the teacher's response to the materials gamifikasi, it was found that the average of 3,3 was obtained with very attractive and feasible categorized. So it can be concluded that the gamification teaching materials on the are categorized very attractive and feasible for use in mathematics learning in junior high school.

Advancing mathematical representation abilities through scientifically-oriented contextual learning modules in junior secondary education Putra, Rizki Wahyu Yunian; Ambarwati, Riyama; Fadila, Abi
Journal of Advanced Sciences and Mathematics Education Vol 5, No 1 (2025): Journal of Advanced Sciences and Mathematics Education
Publisher : CV. FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/jasme.v5i1.763

Background: Many students face difficulties in expressing mathematical ideas due to the absence of instructional materials that connect lessons with real-world contexts. Applying a contextual approach aligned with scientific inquiry may improve students’ conceptual understanding and engagement.Aims: This research seeks to develop and assess the effectiveness of contextual teaching modules designed using a scientific framework to strengthen the mathematical representation skills of junior secondary learners.Methods: Adopting the ADDIE instructional design model, this study utilized a Research and Development (RD) methodology involving 87 seventh-grade students from two Indonesian schools. Data collection included expert validation instruments, learner feedback surveys, and pretest-posttest measurements, with analysis based on validity, practicality, and effect size metrics.Results: Expert evaluations confirmed high validity, with average ratings of 3.71 for content and 3.73 for media. Student feedback indicated high engagement across both trial groups (mean scores above 3.3). Effect size analysis showed substantial learning gains, with Cohen’s d values of 0.82 and 0.96, indicating strong impact on students’ mathematical representation ability.Conclusion: The contextual modules developed through this study, when implemented with a scientific approach, were validated as effective tools for improving students’ ability to represent mathematical concepts. These outcomes underscore the value of integrating contextual and inquiry-driven strategies into teaching practices to make abstract content more accessible and meaningful in mathematics education.

PENGEMBANGAN BAHAN AJAR MATERI GEOMETRI BERORIENTASI KEMAMPUAN REPRESENTASI MATEMATIS Hadi Nugroho; Rizki Wahyu Yunian Putra; Abi Fadila
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 10 No. 02 (2025): Volume 10, Nomor 02 Juni 2025 publish
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v10i02.28478

This research focuses on developing instructional materials oriented towards mathematical representation skills in solid geometry, aiming to evaluate their effectiveness and attractiveness to students. The study employs a Research and Development (R&D) approach using the ADDIE model, which includes Analysis, Design, Development, Implementation, and Evaluation phases. Data collection in this study involves both test and non-test techniques. A test was administered before and after using the instructional materials to compare students’ scores using the N-Gain test, while a non-test technique (questionnaire) was administered after the instructional materials were implemented to gather students’ responses. The final results of this research show that the instructional materials for solid geometry are valid (V = 3.28), highly attractive (M = 3.38), and sufficiently effective (criteria: the average posttest score is higher than the average pretest score, N-Gain = 0.38) in improving students’ mathematical representation skills.

Model Pembelajaran CUPs Berbantuan Media Handout: Dampak terhadap Kemampuan Pemahaman Konsep Matematis ditinjau dari Gaya Kognitif Sari, Filian Yunita; Supriadi, Nanang; Putra, Rizki Wahyu Yunian
Mosharafa: Jurnal Pendidikan Matematika Vol. 11 No. 1 (2022): Januari
Publisher : Department of Mathematics Education Program IPI Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31980/mosharafa.v11i1.690

Gaya kognitif perlu diketahui untuk membantu pemilihan metode pengajaran yang sesuai kebutuhan siswa dalam belajar. Penelitian ini bertujuan untuk mengetahui pengaruh model pembelajaran Conceptual Understanding Procedures (CUPs) berbantuan media handout terhadap kemampuan pemahaman konsep matematis ditinjau dari gaya kognitif. Penelitian eksperimen semu ini menggunakan posttest-only control design. Populasi pada penelitian ini mencakup seluruh siswa kelas VIII SMP di kota Metro. Penentuan sampel menggunakan teknik cluster random sampling. Sampel penelitian adalah 41 siswa (22 di kelas eksperimen dan 19 di kelas kontrol). Pengujian hipotesis menggunakan uji anava dua jalan. Berdasarkan hasil penelitian didapatkan kesimpulan bahwa model pembelajaran CUPs berbantuan media handout mempunyai pengaruh terhadap kemampuan pemahaman konsep matematis siswa, gaya kognitif field independent dan field dependent mempunyai pengaruh terhadap kemampuan pemahaman konsep matematis siswa dan tidak ada interaksi antara model pembelajaran dan tipe gaya kognitif terhadap kemampuan pemahaman matematis siswa. Cognitive styles need to be known to help select teaching methods that are suitable for students' needs in learning. This study aims to determine the effect of the Conceptual Understanding Procedures (CUPs) learning model assisted by handout media on the ability to understand mathematical concepts in terms of cognitive style. This quasi-experimental research used a posttest-only control design. The population in this study includes all students of class VIII SMP in the city of Metro. Determination of the sample using cluster random sampling technique. The research sample was 41 students (22 in the experimental class and 19 in the control class). Hypothesis testing using two-way ANOVA test. Based on the results of the study, it was concluded that the CUPs learning model assisted by handout media had an influence on students' mathematical concept understanding abilities, field-independent and field-dependent cognitive styles had an influence on students' mathematical concept understanding abilities and there was no interaction between learning models and types of cognitive styles on understanding abilities. students' mathematical concepts.

Peningkatan Pemahaman Konsep Matematis Melalui Model Pembelajaran Rotating Trio Exchange (RTE) Muharomah, Ayu; Farida, Farida; Putra, Rizki Wahyu Yunian
J-PiMat : Jurnal Pendidikan Matematika Vol 2, No 2 (2020): J-PiMat
Publisher : Prodi Pendidikan Matematika STKIP Persada Khatu;istiwa Sintang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31932/j-pimat.v2i2.864

Penelitian ini bertujuan untuk mengetahui apakah terdapat peningkatan pemahaman konsep matematis melalui model pembelajaran Rotating Trio Exchange (RTE). Metode yang digunakan yaitu Quasi Exsperimen Design. Subjek dalam penelitian ini adalah siswa kelas VIII SMP Negeri 2 Kalianda, dengan sampel sebanyak dua kelas. Penelitian ini menggunkan Teknik statistika melalui Independen-Sampel t Test. Hasil dari penelitian ini bahwa model pembelajaran Rotating Trio Exchange (RTE) lebih baik dari model pembelajaran konvensional. Kesimpulan dalam penelitian ini yaitu terdapat peningkatan pemahaman konsep matematis melalui model pembelajaran Rotating Trio Exchange (RTE) dengan peningkatann hasil rata-rata pretest dan posttest yaitu 0,602.Â

IMPLEMENTASI PEER LED GUIDED INQUIRY (PLGI) TERHADAP KEMAMPUAN PEMECAHAN MASALAH SISWA SMP Juariah, Siti; Farida, Farida; Putra, Rizki Wahyu Yunian
J-PiMat : Jurnal Pendidikan Matematika Vol 2, No 2 (2020): J-PiMat
Publisher : Prodi Pendidikan Matematika STKIP Persada Khatu;istiwa Sintang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31932/j-pimat.v2i2.865

Penelitian ini bertujuan untuk mengetahui peningkatan kemampuan pemecahan masalah siswa dan pengaruh penerapan model pembelajaran Peer Led Guided Inquiry (PLGI) di kelas VIII MTs Hidayatul Mubtadiin Jati Agung Lampung Selatan. Bentuk penelitian ini merupakan penelitian eksperimen dengan menggunakan Design Randomized Control Group Pretest-Posttest. Sampel penelitian terdiri dari 2 kelas, yaitu kelas VIII A sebagai kelas eksperimen dan kelas VII B sebagai kelas kontrol yang telah diuji normalitas menggunakan uji Liliefors dan diuji homogenitas menggunakan uji kesamaan dua rata-rata. Hipotesis penelitian diuji dengan menggunakan uji-t pihak kanan. Hasil penelitian menunjukkan bahwa penerapan model pembelajaran PLGI dapat meningkatkan kemampuan pemecahan masalah pada pokok bahasan kubus dan balok dengan Â = 4,14> Â = 1,094.

Co-Authors A.A. Ketut Agung Cahyawan W Aan Subhan Pamungkas Abi Fadila Abi Fadila Achi Rinaldi Adinti, Chinthia Adiwinata, Rulli Adji, Vicka Pradana Adolf Simatupang Adolf Simatupang Adolf T Simatupang Agus Pahrudin Agus Pamuji Ahmad Charissudin Ahmad Mukhayat Ahmad Shodiq Ahmad Sodiq Ahmad Sodiq Ahmad Sodiq, Ahmad Aini Rembulan Ainun Sholihah Aji Arif Nugroho Ana Risqa JL Anggraini, Rekasepti Anita Febriana APRILYANTI, EVI Ardian Asyhari Arini Alhaq Asri, Elsa Widya Astriana Putri Baher, Maylia Khairunnisa Bambang Sri Anggoro Chairul Anwar Cindy Safitri Clara Octaviany Cynthia Gapila Dea Octa Riani Dewi Fitriani Dian Purnama Sari Dian Purnamasari Dimas Vajar Oktaviana Dina Nurhasanah Dwi Adianti Putri Dwijowati Asih Saputri Dyan Revianto Een Yayah Haenilah Elsa Tia Ariski Fahrudin Fahrudin Fahrudin Fahrudin Fajar, Rahmat Farida Farida Farida Farida Farida, Farida Febriana, Anita Fera Aprianti Ferlia, Wahyuni Fitri Isnaini Fitri Yanti Fitriani Fitriani Fitriani Fitriani Fraulein Intan Suri Fredi Ganda Putra Friska Ninda Safilda Gios Adhyaksa Gunawan, Syahrul Hadi Nugroho Hanifa Ainun Nisa Hariri, Hasan Heni Pujiastuti Henny Wulandari, Henny Herdianto Herdianto Hezvi Yulinsa Husen, Nisrina Iis Faridah Ima Damayanti Imam Syafei Indah Resti Ayuni Suri Indriani, Wiwid Afma Istihana Istihana Jamal Fakhri Jamhari Jamhari Julya, Ayu Julya Junarni, Junarni Juwita Sari Kesumayanti, Nur Kurniawan, Muhammad Dandi Laila Maharani Mardiana Mardiana Mardiyah Masykur, Rubhan Masykur, Rubhan Mawaddah, Anisa Rima Melliana Melliana Meri Yani Meyronita Firja Mks Mohamad Muhassin Muhamad Syazali Muhammad Kosim Ali Muharomah, Ayu Mujib Mujib Mujib Mujib, Mujib Nanang Supriadi NELAWATI NELAWATI, NELAWATI Neni Setiawati Netriwati Netriwati Netriwati NINGSIH, NINGSIH Novian Riskiana Dewi Noviana, Dewi Novita Indriyani Novita Sari Novitasari Novitasari Nugraha Wisnu Putra Nugroho, Aji Arif Nur Azmi, Nazwa Nuzul Nur Kesumayanti Nurhaliza Nurhaliza Nurhaliza, Nurhaliza Nurhanurawati Nurhanurawati Nurhanurawati Nurhanurawati Nurhasanah Leni Nurhasanah Leni Nurhasanah Lenni Nurhayati T. Nursalim, Riki NURUL HIDAYAH Nurul Muslimah Nurwani Nurwani Nuryati Nuryati Oktaviana, Dimas Vajar Popi Indriani Rahman Hakim Rahmat Syukur Rekasepti Anggraini Rembulan, Aini Rembulan, Aini Rina Widya Ningrum Rini Pangestu Risky Adhyaksono Risky Adhyaksono Riyama Ambarwati Rizki Armanto Rosida Rakhmawati Rubhan Masykur Ruhban Maskur Ruhban Masykur Rully Anggraini Rully Anggraini, Rully Santi Widyawati Saputri, Dina Sari, Filian Yunita SARI, MINDA AYU RAHMA Sarniah, Siti Selvia Lovita Sari Shahril, Sulthan Sholeh, Sofyan M Simatupang, Adolf T Simatupang, Adolf Taylor Siska Andriani Siti Hasanah Siti Juariah Siti Sarniah Sri Purwanti Nasution, Sri Purwanti Sugeng Sutiarso Sugeng Sutiarso Suherman Suherman, Suherman Sulthan Shahril Sunyono - - Syafrimen Syafril Syarif Maulidin Syawardhan, Elnando Tati Apriyanti Tri Oka Akram Tumirah Tumirah Ulfa Iqoh Umi Afifah Umi Hijriyah Veithzal Rivai Zainal Wirawan, Yosi Marenda Wirawan, Yosi Marenda Yani, Meri Yoraida Khoirunnisa Yosi Marenda Wirawan Yulita Anggun Sari YUSMANIAR, RAHMA YUSUF, FITRIA AGUSTINA

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