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Rita Lefrida
Mathematics Education Study Program, Faculty Of Teacher Training And Education, Universitas Tadulako
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Analisis kesalahan siswa dalam menyelesaikan soal invers matriks pada kelas XI SMAN 4 Palu Almahdali , Muh Ikbal; Pathuddin, Pathuddin; Alfisyahra, Alfisyahra; Lefrida , Rita
Jurnal Math Educator Nusantara: Wahana Publikasi Karya Tulis Ilmiah di Bidang Pendidikan Matematika Vol 10 No 1 (2024): Jurnal Math Educator Nusantara
Publisher : Program Studi Pendidikan Matematika, Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/jmen.v10i1.22258

Abstract

The aim of the research is to summarize the experiences of grade 11 students at SMA Negeri 4 Palu based on Newman's theory. This type of research is descriptive, using a qualitative approach. The research subjects were two students selected from 35 class XI students. The findings of this research are as follows: (1) Not a single subject experienced errors in reading the lesson material, because at that time every subject was considered able to read the lesson material correctly. (2) Not a single subject made a mistake in understanding, as seen in the interview phase. All research subjects were able to provide understandable and questionable information regarding the subject. (3) Each research subject carries out transformation error correction. This transformation error is characterized by the failure of a subset that reduces the problem of the mathematical model. (4) Process skills errors were made by each research subject. This is explained by the subject's understanding of the steps taken in answering the question, but most of it is caused by the subject's errors occurring in the transformation step and the subject being unable to solve mathematical problems accurately. (5) an error in writing the final answer (encoding error) was made by each research subject; This is differentiated by the fact that there are subjects who do not determine the final results of their learning and there are also subjects who fail to determine the final results due to errors in the previous stage.
Profil penyelesaian soal SPLDV berdasarkan teori apos ditinjau dari kemampuan matematika siswa Yunita, Rezki Lola; Pathuddin, Pathuddin; Alfisyahra, Alfisyahra; Lefrida , Rita
Jurnal Math Educator Nusantara: Wahana Publikasi Karya Tulis Ilmiah di Bidang Pendidikan Matematika Vol 10 No 1 (2024): Jurnal Math Educator Nusantara
Publisher : Program Studi Pendidikan Matematika, Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/jmen.v10i1.22260

Abstract

This research was conducted to obtain descriptions of students in solving systems of two-variable linear equations (SPLDV) based on APOS theory in terms of mathematical ability. This type of research is descriptive with a qualitative approach. The subjects in this research were 3 students in class VIII B of SMPN 20 Palu in the odd semester 2023/2024 consisting of 1 student with high mathematics ability, 1 student with moderate mathematics ability, and 1 student with low mathematics ability. Data in the research were collected through written tests and interviews with subjects. The research results show that: (1) Students with high mathematical abilities can solve SPLDV questions by achieving all stages of APOS theory (action, process, object, and scheme); (2) Students with moderate mathematical abilities can solve SPLDV questions but have not been able to reach all stages of APOS theory, students with moderate mathematical abilities are only able to reach the APO stage (action, process and object); (3) Students with low mathematical abilities have not been able to solve SPLDV questions and are only able to reach the action stage at the APOS theory stage.
Designing Medume Media on Data Centering Materials Using Design Thinking Method Riri Andini; I Luh Restini; Rita Lefrida
MATHEMA: JURNAL PENDIDIKAN MATEMATIKA Vol. 7 No. 2 (2025): MATHEMA
Publisher : Universitas Teknokrat Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33365/jm.v7i2.85

Abstract

A teacher must be creative to get the attention of Generation Z students (“Gen Z”) in the learning process. One of the things that can be implemented is using media that suits the needs of student participants. In this study, the media designed is medume media and applied to data centering material.The purpose of the research is to design learning media that focuses on students' needs. The process of designing this media uses the Design Thinking method. The research sample consisted of four students from grade 8 junior high school. The sample selection was based on extreme left and extreme right criteria. This method starts from the stages of emphatize, define, ideate, and prototype. Then, it concludes with the testing stage. This research was conducted at SMP Negeri 4 Palu. It included qualitative approach. The researchers created an interactive media medume board. After the medume board was formed, it was applied in a classroom which discussed the said material. The result is that students were very enthusiastic and could understand the data concentration material quickly. In addition, the concept of data concentration becomes more concrete and easier to understand. This is because students can see the media used and interact directly with the data presented.
Profile of Creative Thinking of Students with Mathematical Logical Intelligence in Solving Function Composition Rita Lefrida; Musdalifa; Sukayasa
MATHEMA: JURNAL PENDIDIKAN MATEMATIKA Vol. 7 No. 2 (2025): MATHEMA
Publisher : Universitas Teknokrat Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33365/jm.v7i2.638

Abstract

Creative thinking in students is essential in the learning process. It can help students discover new ways to understand and solve problems. Through creative thinking, students do not merely focus on finding the correct answer but also learn to explore various possibilities and ideas. This study aims to obtain a description of students’ creative thinking profiles with logical-mathematical intelligence in solving mathematical problems, viewed from their learning styles. The focus is on how students with logical-mathematical intelligence utilize creative thinking in accordance with their individual learning styles. This research employs a qualitative approach. The research subjects are three 10th-grade high school students, each representing a combination of logical-mathematical intelligence with a different learning style: visual, auditory, and kinesthetic. Data were collected through students’ written responses and interviews. The results of the study show that at the stage of understanding the problem, subjects with logical-mathematical intelligence across all three learning styles demonstrated aspects of fluency and flexibility. At the planning stage, the visual and kinesthetic learners met all aspects of creative thinking, including fluency, flexibility, and novelty. In contrast, the auditory learner demonstrated only fluency and flexibility. At the stage of carrying out the plan, visual and kinesthetic learners again showed all aspects of creative thinking more completely than the auditory learner, who only demonstrated fluency and flexibility. However, in the reviewing stage, all subjects showed only fluency and flexibility, without the presence of novelty. These findings highlight the importance of considering students’ learning styles in developing creative thinking skills, particularly for those with logical-mathematical intelligence. An effective learning process must be designed with differentiation, taking into account students’ learning styles. With appropriate strategies, students can not only understand the material well but also fully develop their creative thinking potential at each stage of problem-solving.
A Commognitive Perspective: How Visual, Auditorial, and Kinesthetic Learners Solve Linear Programming Problem? Rolanza .; Rita Lefrida; Pathuddin .; Alfisyahra .
Didaktik Matematika Vol 12, No 1 (2025): April 2025
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jdm.v12i1.42163

Abstract

This study aims to explore students' commognitive processes in solving linear programming problems based on their learning styles. Conducted with three female students from Class XI MIPA 4 at SMAN 5 Palu, the study included one student each with visual, auditory, and kinesthetic learning styles. Data collection involved administering a learning style questionnaire and linear programming tasks (SBMPTN 2014 Code 663) that were linguistically validated to suit the students in Palu. Interviews were also conducted while the students worked on these tasks. Results indicate that the visual learner responded to problems in a detailed, repetitive, efficient, and accurate manner, demonstrating all four commognitive indicators. The main finding was the student's clear process in visualizing the problem. The auditory learner also responded well, demonstrating the four commognitive indicators but faced difficulties in the routine aspect, especially in transforming the problem into a narrative form, which is crucial for problem-solving. The kinesthetic learner showed clear, accurate responses and exhibited all four commognitive indicators, with a notable habit of using finger-pointing during explanations. However, limitations were observed in the narrative aspect, where the student relied more on physical experience than on logical, in-depth explanation.
Optimalisasi Penggunaan Teknologi Artificial Intelligence dalam Proses Pembelajaran Bagi Guru di MGMP Matematika SMA Kabupaten Sigi Mubarik; Lefrida, Rita; Rochaminah, Sutji; Bakri; Alfisyahra; Nasir, Rahma
Jurnal Pengabdian Kepada Masyarakat Patikala Vol. 5 No. 3 (2026): Jurnal PkM PATIKALA
Publisher : Pusat Pengembangan Pendidikan dan Bakat Indonesia/Education and Talent Development Center of Indonesia (ETDC Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51574/patikala.v5i3.4663

Abstract

The development of Artificial Intelligence (AI) technology opens up significant opportunities for improving the quality of mathematics learning. However, many high school mathematics teachers are still unfamiliar with the use of AI, particularly the use of the Python programming language as a learning support medium. This community service activity aims to improve the knowledge, understanding, and skills of high school Mathematics MGMP teachers in utilizing Python-based AI technology in the learning process. The implementation method includes a preparatory stage in the form of coordination with partners, observation, and interviews to identify teacher needs, and an implementation stage consisting of two training sessions. The first training phase focused on providing conceptual material regarding AI applications in learning, while the second training phase included practical assistance in creating AI-based learning media using Python. The results of the activity showed an increase in teachers' understanding of AI concepts and practical skills in using Python to develop simple interactive quizzes in mathematics learning. Furthermore, participants demonstrated active and collaborative participation throughout the activity. Thus, this community service activity contributed to improving teachers' technological literacy and encouraging innovation in more interactive mathematics learning. It is recommended that similar activities be carried out continuously with a broader scope of material to optimize the use of AI in learning
Investigation of ethnomathematics approach for mathematics learning in islamic schools Arsyil Waritsman; Rita Lefrida
12 Waiheru Vol 10 No 1 (2024): 12 Waiheru
Publisher : Balai Diklat Keagamaan Ambon

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

Abstract

The study aims to systematically investigate the use of an ethnomathematics approach in teaching mathematics in Islamic schools. The method used is a systematic literature review on phases including identification, screening, feasibility assessment, and inclusion. The usage of the method in this study shows several findings namely (1) The ethnomathematics research in Islamic schools was mostly conducted in Central Java Province; (2) The ethnomathematics approach has been implemented, developed, and effectively applied to mathematics learning in Islamic schools; (3) The ethnomathematics approach has significant benefits which are improving the outcomes of students’ learning, initiating a more effective and enjoyable learning, and stimulating a love of the culture to the students; (4) Research approaches used in the ethnomathematics approach in Islamic schools were diverse such as quantitative, qualitative and developmental approaches (5) The method used to evaluate the effectiveness of the ethnomathematics approach were giving exams, administering questionnaires and interviews; (6) Most of the topics discussed in the ethnomathematics approach in Islamic schools was geometry, while the culture discussed regarding mathematics learning was various. The results of this systematic literature review study will enrich the information on educational development, especially culture-based mathematics learning, known as ethnomathematics.
Digital learning transformation for civil servants through mooc: An impact study of the pintar self-learning training program by the ministry of religious affairs in maluku and north maluku Arsyil Waritsman; Rita Lefrida
12 Waiheru Vol 11 No 2 (2025): 12 Waiheru
Publisher : Balai Diklat Keagamaan Ambon

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

Abstract

This study aims to analyse the impact of training programs for civil servants (ASN) on two key aspects: first, the implementation of their duties and responsibilities; and second, the improvement of organisational performance and service delivery to stakeholders. The research employed a quantitative method. Data were collected using a non-test technique in the form of a questionnaire. Accordingly, the research instrument was a questionnaire consisting of a list of statements with five alternative answers on a Likert scale. The population consisted of all civil servants from the Ministry of Religious Affairs in Maluku and North Maluku Provinces, while the sample comprised randomly selected civil servants from the same population who served as respondents. The collected data were analysed using descriptive and inferential statistics. Descriptive statistics were used to present the distribution of respondents' data, while inferential statistics were employed in a One-Sample t-test with a 5% significance level. In this context, inferential statistics were used to generalise whether the MOOC Pintar training had a significant impact. The findings reveal that the MOOC Pintar training has a significant impact on civil servants of the Ministry of Religious Affairs in Maluku and North Maluku Provinces. These results underscore the importance of sustaining the MOOC Pintar training continuously, given its significant contribution to improving civil servants' task implementation, positional responsibilities, organisational performance, and stakeholder service. Although this research is limited to the perceptions of civil servants in the two provinces and the impact measured was confined to their self-perceptions, without incorporating supervisors' assessments, the findings nonetheless provide valuable recommendations for future studies in other regions. Further research, including supervisor evaluations, is suggested to broaden the scope of data regarding the impact of MOOC Pintar on civil servants of the Ministry of Religious Affairs.
Implementation of Design Thinking on Match-up Interactive Media for Cell Learning Zulkfiri S.Pou; Siti Rahmatia Badari; Martavina Yustita Pala; Dsiya Auralia Askanita; Moh. Dhuhri Surya Wirawan; Rita Lefrida
Jurnal Penelitian Pendidikan IPA Vol 10 No 4 (2024): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i4.4999

Abstract

Student-centered learning is able to bring out the creative and innovative thinking of students which are needed to face the twenty-first century's challenges. A mindset that can bring out the creative potential in everyone is Design Thinking. The current study employed a theoretical perspective from design thinking with problem-solving activities consisting of 5 stages, namely emphatize, define, ideate, prototype, and test. In-depth observations and interviews were conducted to identify problems faced by high school students at SMA Negeri 6 Palu. Sample selection was based on criteria of extreme right sample and extreme left sample. The results obtained in the form of Interactive media in the form of Match-ups as discussion material and gamification on cell material were designed to be used in the learning process.  
PENERAPAN MODEL PJBL UNTUK MENINGKATKAN MINAT BELAJAR PESERTA DIDIK PADA MATERI STATISTIKA Dita Mustapa; Rita Lefrida; Tajuddin
SIGMA: JURNAL PENDIDIKAN MATEMATIKA Vol. 17 No. 2: Desember 2025
Publisher : Universitas Muhammadiyah Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26618/krfy7587

Abstract

Penelitian ini dirancang untuk meningkatkan minat belajar siswa melalui penerapan model pembelajaran berbasis proyek (Project Based Learning / PjBL) pada materi Statistika di kelas X-5 SMA Negeri Model Terpadu Madani. Penelitian ini terdiri dari 2 siklus dan merupakan Penelitian Tindakan Kelas (PTK). Subjek penelitian berjumlah 37 peserta didik. Instrumen pengumpulan data berupa angket minat belajar yang memuat 12 item yang mewakili empat aspek. Analisis data dilakukan dengan menghitung persentase skor angket pada setiap aspek. Hasil penelitian menunjukkan bahwa terjadi peningkatan minat belajar peserta didik. Pada siklus I sebesar 71% dan pada siklus II 81%, sehingga terjadi kenaikan sebesar 10%. Peningkatan juga terlihat pada setiap aspek, yaitu perasaan senang (7%), ketertarikan (11%), perhatian (12%), dan keterlibatan aktif (9%). Temuan ini menunjukkan efektivitas penerapan PjBL dalam meningkatkan minat belajar peserta didik. Selain itu juga berkontribusi terhadap perkembangan keterampilan abad 21. Pembelajaran berbasis proyek juga dapat menjadi alternatif strategi yang dapat diterapkan guru pada pertemuan berikutnya untuk mempertahankan keterlibatan peserta didik, sekaligus menjadi dasar pengembangan penelitian lanjutan dengan menambahkan kelompok pembanding atau mengukur hasil belajar sebagai keluaran tambahan.
Co-Authors Abd. Hamid Abdul Hamid ABDUL HAMID Agung Lukito AGUNG LUKITO Ain, Nur' Alfisyahra Alfisyahra Alfisyahra . Alfisyahra Alfisyahra Alfisyahra Alfisyahra Alfisyahra, Alfisyahra Alfisyhara, Alfisyhara Almahdali , Muh Ikbal Amelia, Kadek Devy Amelia, Reski Amelia, Risna Ana Puji Lestari Ana Puji Lestari Andini Putri Anggraini Anggraini Anggraini Anggraini Arivi, Maharani Agustina Arnisah, Sitti Arsyil Waritsman Aswandi Aswandi Asyita Asyita Auliyah, Rifqah Awaludin Awaludin, Awaludin Ayu Qonita Baharuddin Paloloang Baharuddin Paloloang Bakri Bakri Bakri Bakri M Bakri M Bakri M Bakri Mallo Bakri Mallo Baso Amri Baso Amri Besse Nur Anisa Charlie Alva Basompe Dahlan, Rahmawati Dahlia Dahlia Dasa Ismaimuza Desak Ketut Permatasari Desti Pujiarsih Dita Mustapa Dsiya Auralia Askanita Dwi Warli Dyah Permata Elis Safira Karindah Elsa Febriasari Evie Awuy Fahrur Razi Faisal Faisal Fajriani Fajriani Fajriani Fajriani Fani, Sri Fazlika, Jihan Febriasari, Elsa Febrina Hajiroh Fitriyanti, Winda Gandung Sugita Gandung Sugita Guci, Ammar Abdullah Joni Haerani, Novianti Hajerina Hajerina Hamsiana, Hamsiana Hasbi, Muh Hermin, Arwini Puspita Hikber Todongi Husna, Radhiatul I Luh Restini I Made Sudarsana I Nyoman Murdiana I Nyoman Murdiana Ibni Hadjar Ika Citra Pratiwi Indradewa, Rhian Indri Yani Indriana Indriana, Indriana Ira Firanda Gumita Islam, Fahrul Jaeng, Maxinus Jihan Fazlika Julian, Rofi S Kamaruddin, Kamarudin Kamarudin Kamarudin Kanarasi, Yabes Maxrobin Karniman, Tegoeh S Karniman, Tegoeh S. Khasanah, Tri Nur Lainawa, Mohamad Ruslan Lembang, Ulvina Tangke M, Bakri Ma'abud, Yusril Y Mahdayani Mahdayani, Mahdayani Mansur, Meliani Marinus B. Tandiayuk Marinus B. Tandiayuk Marnita Martavina Yustita Pala Martina Martina Maxinus Jaeng Maxinus Jaeng Mery Napitupulu Miranda, Dini Mirnawati Muin Moh. Dhuhri Surya Wirawan Mubarik Mubarik Mubarik Mubarik Mubarik Mubarik MUFIDAH Mufidah Mufidah Muh Hasbi Muh. Hasbi Muh. Hasbi Muh. Hasbi Muh. Rizal Muh. Rizal Muh. Rizal Muhammad Fitrah Muhammad Fitrah, Muhammad Muin, Mirnawati Musdalifa Mustamin Idris Mustamin Idris Mustamin Idris MUSTAMIN IDRIS Mutia Nurul Ilmi Nasir, Rahma Ni Luh Riska Ulandari Ningsih, Firnawati Adia Nisa, Ainun Nita Nita Nita Nita nur hayati Nur Islamiah Nur Islamiyah Nur’aini, Jafar Nurhalizah Nurhalizah Nurhalizah, Nurhalizah Nurhayadi Nurhayadi Nurhayadi Nurhikma, Nurhikma Nursupiamin Nursupiamin, Nursupiamin NURUL AZIZAH Nurviani Alamanda Nur’aini Jafar Padang, Sery Londong Pathuddin Pathuddin . Pathuddin, Pathuddi Pau, Rizki Amalia Sy Pujiarsih, Desti Purwanindina, Atila Maheswari Dewi Putri, Istifanah Maharani Rafiq Badjeber Rahmadiani Rahmadiani Rahmawati Dahlan Ratna Ratna Dwi Oktavia Razi, Muhammad Fahrur Reski Amelia Rezky Hari Sentosa Riri Andini Rizal, Muh Rochmat Wijaya Rofi Julian S Rohmah, Zakiah Rolanza . Rumba, Kevin Angryawan Rydwan Balo Sabila B, Dini Nurul Sari, Septi Rahmita Sasongko, Luddy Bambang Selmi Selmi, Selmi Sentosa, Rezky Hari Sinta, Selviana Siti Hardiyanti Siti Hardiyanti Siti Rahmatia Badari Sitti Nurhaliza Sudarman Bennu Sudarsono Sudarsono . Sukayasa Sutji Rochaminah Syamsiar, Syamsiar Tajuddin Tajudin Tajudin Tatag Yuli Eko Siswono Tatag Yuli Eko Siswono Tegoeh S. Karniman Tina Ulvina Tangke Lembang Uraefatul Jannah Walanda, Richard Albert Walfrandi Yusame Warli, Dwi Welli Meinarni Widi Yanti Wijaya, Rochmat Winda Fitriyanti Wirdania, Wirdania Wisilayasa, I Gede Darma Yunita, Rezki Lola Yustitia K. Zaenudin Zulkfiri S.Pou