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All Journal Jurnal Pendidikan Matematika Jurnal Elektronik Pendidikan Matematika Tadulako AKSIOMA Jurnal Pendidikan Matematika Kreatif SIGMA: Jurnal Pendidikan Matematika AKSIOMA Jurnal Gantang HISTOGRAM: Jurnal Pendidikan Matematika Jurnal Penelitian Pendidikan IPA (JPPIPA) JMPM: Jurnal Matematika dan Pendidikan Matematika Journal of Honai Math Jurnal Pendidikan Matematika (JUDIKA EDUCATION) Jurnal Cendekia : Jurnal Pendidikan Matematika Prima: Jurnal Pendidikan Matematika SIGMA JPP (Jurnal Pendidikan dan Pembelajaran) Journal of Classroom Action Research Studies in Philosophy of Science and Education Aksioma DedikasiMU: Journal of Community Service Edumatika Postulat : Jurnal Inovasi Pendidikan Matematika Prisma Sains: Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Lattice Journal : Journal of Mathematics Education and Applied 12 Waiheru Aurelia: Jurnal Penelitian dan Pengabdian Masyarakat Indonesia JME (Journal of Mathematics Education) Jurnal Pendidikan MIPA Mathematics Education Journal Journal on Mathematics Education Jurnal Elektronik Pendidikan Matematika Tadulako JME (Journal of Mathematics Education) AKSIOMA
Rita Lefrida
Mathematics Education Study Program, Faculty Of Teacher Training And Education, Universitas Tadulako
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KAJIAN PENGGUNAAN MATEMATIKA PADA AKTIVITAS TUKANG KAYU DAN TUKANG BATU DALAM PROSES PEMBANGUNAN RUMAH: Study On The Use Of Mathematics In The Activities Of Carpenters And Masons Of House Construction Process Lainawa, Mohamad Ruslan; Hasbi, Muh.; Rizal, Muh.; Lefrida, Rita
Jurnal Elektronik Pendidikan Matematika Tadulako Vol. 12 No. 1 (2024)
Publisher : Universitas Tadulako

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Abstract

This research aims to obtain a description of the use of mathematics in the activities of carpenters and masons in the process of building a house. The subjects of this research were two builders who were carrying out construction in the village of Tokala Atas. The two craftsmen chosen as research subjects consisted of a masons and a carpenter. The research method used was qualitative with a descriptive type of research carried out in the village of Tokala Atas. The data collection techniques used were observation and interviews. Observations were made while the builders were building the house. Interview techniques were used to explore the data that had been obtained when the observations were made. The results of the research show that carpenters and masons use mathematical concepts in building houses, namely the Pythagorean concept when forming foundation angles and measuring the sloping sides of roofs. The concept of alignment when measuring foundation bow plank strings, measuring brick laying benchmark strings and measuring frame heights. The concept of comparison is used when measuring into the foundation and when determining the distance between floor girders. The concept of flat construction is used when making sloping reinforcement frames, making piles and forming wooden joints. The concept of perpendicular lines is used when adjusting the straightness of poles, sills and roof posts. Arithmetic concepts are used when calculating zinc and teal requirements. The mathematical concepts contained in house buildings made by carpenters are roof shape: roof shape, rice wrapper and wall shape: betel stacking shape, plate stacking and lengthwise.
PROFIL PENYELESAIAN SOAL PADA MATERI LUAS PERMUKAAN KERUCUT OLEH SISWA KELAS IX SMP NEGERI 1 KASIMBAR: Profile for Solving HOTS Questions On The Cone Surface Area Material by Students of Class IX SMP Negeri 1 Kasimbar Miranda, Dini; Hasbi, Muh.; Lefrida, Rita
Jurnal Elektronik Pendidikan Matematika Tadulako Vol. 12 No. 1 (2024)
Publisher : Universitas Tadulako

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Abstract

This study aims to profile the completion of HOTS questions on the conical surface area material by SMP Negeri 1 Kasimabar students based on differentiated cognitive levels. This type of research is qualitative research. The subjects of this study were 2 students of different genders taken from class IX SMP Negeri 1 Kasimbar. The research subjects were one student with high mathematics ability with female gender (LN), and one student with high mathematics ability with male gender (MS). The data collection techniques in this study were written tests and in-depth interviews. The test given to the research subjects was a HOTS problem test on cone surface area material at the cognitive level of analyzing (C4). The results of this study indicate that the profile of solving HOTS problems on the surface area of the cone by students with high mathematics ability LN at the cognitive level of analyzing is correct, because the subject can distinguish information, organize by creating a structure in systematic problem solving and attribute by making conclusions based on the information obtained very well. While the profile of HOTS problem solving of cone surface area by MS high mathematics ability students at the cognitive level of analyzing is good, because MS subjects are also able to distinguish information and organize by creating structures in systematic problem solving, it's just that at the stage of attributing MS subjects are still lacking, because at the stage of attributings
PROFIL KEMAMPUAN KOMUNIKASI MATEMATIS SISWA MTS NEGERI 1 TOLITOLI DALAM MENYELESAIKAN SOAL CERITA SEGITGA SIKU-SIKU BERDASARKAN GAYA BELAJAR: Profile Of Mathematic Communication Ability Of Students Of MTs Negeri 1 Tolitoli In Solving Story Questions Based On Learning Style Mansur, Meliani; Hadjar, Ibnu; Murdiana, I Nyoman; Lefrida, Rita
Jurnal Elektronik Pendidikan Matematika Tadulako Vol. 12 No. 1 (2024)
Publisher : Universitas Tadulako

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Abstract

This study aims to obtain a description of the mathematical communication skills of class IX Dzulhijjah 2 MTs Negeri 1 Tolitoli students in solving right triangle story problems. This type of research is descriptive with a qualitative approach. The subjects of this study were students of class IX Dzulhijjah 2 MTs Negeri 1 Tolitoli whose learning styles were visual, auditory, and kinesthetic. Data were collected through written assignments and interviews. The results of this study indicate that (1) The profile of mathematical communication skills of visual learning style subjects is able to write down information that is known and asked completely, and also the subject is able to describe a right triangle that corresponds to the problem along with the information on the right triangle, then the subject is able to using steps in solving problems, and the subject is able to conclude the answers obtained at the end of completion. (2) The profile of mathematical communication skills of auditory learning style subjects is able to write down information that is known and asked completely, and also the subject is able to describe a right triangle that corresponds to the problem along with the information on the right triangle, then the subject is able to use the steps in solve problems (3) The profile of mathematical communication skills, subjects with kinesthetic learning style are able to write down information that is known and asked completely, and also the subject is able to describe a right triangle in accordance with the problem along with the information on the right triangle, then the subject is able to use the following steps: steps in solving the problem.
Newman's Error Analysis: The Students' Errors in Solving Word Problems of Proportion Indriana, Indriana; Pathuddin, Pathuddin; Lefrida, Rita; Alfisyahra, Alfisyahra
Edumatika Vol 7 No 1 (2024): May 2024, Edumatika : Jurnal Riset Pendidikan Matematika
Publisher : Fakultas Tarbiyah dan Ilmu Keguruan IAIN Kerinci

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32939/ejrpm.v7i1.3642

Abstract

Students' errors in solving mathematical problems need to be analyzed in depth so that teachers can choose the right way to anticipate the repetition of the same errors. This study aims to reveal the types of errors made by students in solving word problems on the topic of proportion. This study is a descriptive study with a qualitative approach. The subjects involved were two seventh grade students, male and female. The results of this study indicate that based on Newman's error analysis, male subjects mainly made reading errors, errors in understanding the problem, transformation errors, and writing the final answer that did not include a conclusion. While female subjects made errors in understanding the problem, choosing the operation used, and writing the conclusion sentence in the final answers. The results of this study can help students understand the errors made so that the errors are not repeated and can be input for teachers in improving the learning process.
Implementation of Design Thinking on Match-up Interactive Media for Cell Learning S.Pou, Zulkfiri; Badari, Siti Rahmatia; Pala, Martavina Yustita; Askanita, Dsiya Auralia; Wirawan, Moh. Dhuhri Surya; Lefrida, Rita
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.  
Metacognitive skills in low self-efficacy students: A case study of junior high school students in the using of the Pythagorean theorem Pathuddin; Azizah, Nurul; Lefrida, Rita; Alfisyahra
Journal on Mathematics Education Vol. 16 No. 3 (2025): Journal on Mathematics Education
Publisher : Universitas Sriwijaya in collaboration with Indonesian Mathematical Society (IndoMS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22342/jme.v16i3.pp783-798

Abstract

Metacognitive skills are increasingly acknowledged as a decisive determinant of mathematical proficiency, as they enable students to plan, monitor, and evaluate their cognitive strategies in problem-solving. However, empirical studies rarely focus on how these skills are exhibited by students with low self-efficacy, a population particularly vulnerable to persistent underachievement in mathematics. Addressing this gap, the present study provides novel insights into the metacognitive functioning of low self-efficacy students when engaging with problem-solving tasks, specifically in the context of the Pythagorean Theorem. The study aimed to describe the manifestation of metacognitive skills among junior high school students with low self-efficacy and analyze their problem-solving strategies and underlying thought processes. Employing a descriptive qualitative design, participants were identified as low self-efficacy students using a standardized questionnaire. Data were obtained from self-efficacy questionnaires, problem-solving tasks, and semi-structured interviews, and subsequently analyzed through metacognitive indicators embedded within Polya’s problem-solving framework. Findings indicate that while low self-efficacy students exhibited consistent awareness and evaluative monitoring, their regulatory skills were less developed, particularly in the reviewing stage of problem-solving. Although planning and assessment strategies were evident, frequent errors required iterative adjustments before arriving at correct solutions. These results highlight the intertwined relationship between metacognition and affective-motivational factors, suggesting that mathematics instruction should explicitly integrate self-efficacy enhancement with metacognitive training. The study contributes to advancing the theoretical discourse on mathematics learning and offers practical implications for designing instructional models that accommodate learners with diverse motivational profiles.
PENERAPAN METODE PENEMUAN TERBIMBING UNTUK MENINGKATKAN HASIL BELAJAR SISWA PADA MATERI KELILING DAN LUAS DAERAH SEGITIGA DI KELAS VII SMPN 3 TINOMBO SELATAN Syamsiar; Rita Lefrida; Anggraini
Aksioma Vol. 4 No. 1 (2015)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/aksioma.v4i1.56

Abstract

Abstrak: Penelitian ini bertujuan untuk memperoleh deskripsi tentang penerapan metode penemuan terbimbing yang dapat meningkatkan hasil belajar siswa pada materi keliling dan luas daerah segitiga di kelas VII SMPN 3 Tinombo Selatan. Jenis penelitian ini adalah penelitian tindakan kelas (PTK) dengan desain penelitian yang mengacu pada Kemmis dan Mc. Taggart yakni: perencanaan, pelaksanaan tindakan, observasi dan refleksi. Jenis data yang digunakan adalah data kualitatif dan data kuantitatif dengan teknik pengumpulan data yaitu observasi, wawancara, catatan lapangan, dan tes. Penelitian ini dilaksanakan dalam dua siklus. Hasil penelitian menunjukkan bahwa penerapan metode penemuan terbimbing yang dapat meningkatkan hasil belajar siswa pada materi keliling dan luas daerah segitiga di kelas VII SMPN 3 Tinombo Selatan dengan tahap-tahap yaitu: (1) perumuskan masalah, (2) pemrosesan data dan penyusunan konjektur, (3) pemeriksaan dan presentasi konjektur, (4) umpan balik. Pada tahap 1 peneliti merumuskan masalah kedalam bentuk LKS; pada tahap 2 siswa memproses data dan menyusun konjektur dengan mengikuti langkah-langkah pada LKS; pada tahap 3 peneliti memeriksa konjektur dan memberikan kesempatan kepada satu di antara kelompok untuk mempresentasikan konjektur yang mereka temukan; pada tahap 4 peneliti memberikan soal latihan sebagai umpan balik. Kata kunci: Penemuan terbimbing, hasil belajar, keliling, luas, segitiga
PENERAPAN PENDEKATAN TUTOR SEBAYA UNTUK MENINGKATKAN KEMAMPUAN SISWA KELAS VII SMP NEGERI 1 KASIMBAR DALAM MENYELESAIKAN PERTIDAKSAMAAN LINEAR SATU VARIABEL Siti Hardiyanti; Rita Lefrida; Baso Amri
Aksioma Vol. 4 No. 2 (2015)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/aksioma.v4i2.75

Abstract

Abstrak: Tujuan penelitian ini adalah untuk memperoleh deskripsi penerapan pendekatan tutor sebaya yang dapat meningkatkan kemampuan siswa kelas VII SMP Negeri 1 Kasimbar dalam menyelesaikan pertidaksamaan linear satu variabel (PtLSV). Jenis penelitian ini adalah penelitian tindakan kelas (PTK). Desain penelitian mengacu pada desain penelitian Kemmis dan Mc. Taggart, yaitu: perencanaan, pelaksanaan tindakan, observasi, dan refleksi. Subjek pada penelitian ini adalah siswa kelas VII SMP Negeri 1 Kasimbar. Jenis data yang digunakan adalah data kualitatif dan data kuantitatif dengan teknik pengumpulan data, yaitu wawancara, tes, observasi, dan catatan lapangan. Penelitian ini dilaksanakan dalam dua siklus. Hasil penelitian yang dilakukan di kelas VII SMP Negeri 1 Kasimbar menunjukkan bahwa pembelajaran yang menerapkan pendekatan tutor sebaya dapat meningkatkan kemampuan siswa dari siklus I ke siklus II pada materi PtLSV dengan tahap-tahap kegiatan pembelajaran pendekatan tutor sebaya, yaitu: (1) persiapan, (2) pelaksanaan, dan (3) evaluasi. Pada tahap 1 peneliti membentuk kelompok dan satu orang tutor tiap kelompok; pada tahap 2 siswa mengerjakan LKS kelompok dengan bimbingan tutor masing-masing; dan pada tahap 3 peneliti memberikan tes individu. Kata kunci: Pendekatan tutor sebaya, Kemampuan Siswa, dan Pertidaksamaan Linear Satu Variabel
PENERAPAN METODE PENEMUAN TERBIMBING UNTUK MENINGKATKAN HASIL BELAJAR SISWA PADA MATERI PENARIKAN KESIMPULAN LOGIKA MATEMATIKA DI KELAS X SMA NEGERI 7 PALU Muhammad Fitrah; Baso Amri; Rita Lefrida
Aksioma Vol. 4 No. 2 (2015)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/aksioma.v4i2.113

Abstract

Abstrak: Penelitian ini bertujuan untuk memperoleh deskripsi penerapan metode penemuan terbimbing untuk meningkatkan hasil belajar siswa kelas X SMA Negeri 7 Palu pada materi penarikan kesimpulan logika matematika. Jenis penelitian ini adalah penelitian tindakan kelas yang mengacu pada desain Kemmis dan Mc. Taggart yakni perencanaan, pelaksanaan tindakan, observasi, dan refleksi. Subjek penelitian ini adalah siswa kelas X SMA Negeri 7 Palu yang berjumlah 20 siswa. Teknik pengumpulan data diperoleh melalui observasi, tes tertulis, wawancara dan catatan lapangan. Penelitian ini dilakukan dalam dua siklus dan masing-masing siklus dilaksanakan dalam dua kali pertemuan. Hasil penelitian menunjukkan bahwa pembelajaran dengan menggunakan metode penemuan terbimbing dapat meningkatkan hasil belajar siswa kelas X SMA Negeri 7 Palu pada materi penarikan kesimpulan logika matematika dengan mengikuti fase-fase sebagai berikut: 1) perumusan masalah, 2) menganalisis data, 3) penyusunan dugaan sementara (konjektur), dan 4) membuat kesimpulan. Kata Kunci: metode penemuan terbimbing, hasil belajar, penarikan kesimpulan logika matematika.
PENERAPAN CONTEXTUAL TEACHING AND LEARNING UNTUK MENINGKATKAN HASIL BELAJAR SISWA PADA MATERI PERBANDINGAN DI KELAS VIIB SMP NEGERI 1 BANAWA Dwi Warli; Maxinus Jaeng; Rita Lefrida
Aksioma Vol. 5 No. 2 (2016)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/aksioma.v5i2.126

Abstract

Abstrak: Tujuan penelitian ini adalah mendeskripsikan penerapan Contextual Teaching and Learning untuk meningkatkan hasil belajar siswa pada materi perbandingan di kelas VIIB SMP Negeri 1 Banawa. Jenis penelitian adalah penelitian tindakan kelas (PTK) dan desainnya menggunakan model Kemmis dan Mc. Taggart, dengan tahapannya yaitu: perencanaan, pelaksanaan tindakan, observasi dan refleksi. Subjeknya adalah seluruh siswa kelas VIIB yang berjumlah 28 orang siswa. Penelitian dilakukan dalam dua siklus, masing-masing siklus terdiri atas dua kali pertemuan. Teknik pengumpulan data dalam penelitian ini adalah observasi, wawancara, catatan lapangan, dan tes. Hasil penelitian menunjukkan bahwa pembelajaran dengan menerapkan Contextual Teaching and Learning dapat meningkatkan hasil belajar siswa kelas VIIB SMP Negeri 1 Banawa pada materi perbandingan, dengan memuat tujuh komponen yaitu: 1) konstruktivis, 2) bertanya, 3) menemukan, 4) masyarakat belajar, 5) pemodelan, 6) refleksi, dan 7) penilaian autentik. Kata Kunci: Contextual teaching and learning, hasil belajar, perbandingan. Abstract: The objective of this research was described the application of Contextual Teaching and Learning to improved the learning outcomes of VIIB students of SMP Negeri 1 Banawa in Proportion Matter. In this case, the researcher applied Class Action Research (CAR) and the design referred to Kemmis and Mc. Taggart model which covered planning, action, observation, and reflection. The subjects of the research were 28 students. This research was divided into two cycles, each of these cycles included two meetings. Moreover, the data were collected by the researcher through observation, interview, field-note taking, and test. The result of the research showed that Contextual Teaching and Learning can improved the learning outcomes of VIIB students of SMP Negeri 1 Banawa in Proportion through some componens: 1) constructivism, 2) questioning, 3) inquiry, 4) learning community, 5) modeling, 6) reflection and 7) authentic assesment. Keywords: Contextual teaching and learning, learning outcomes, proportion.
Co-Authors Abd. Hamid Abdul Hamid ABDUL HAMID Agung Lukito AGUNG LUKITO Ain, Nur' Alfisyahra Alfisyahra Alfisyahra Alfisyahra Alfisyahra, Alfisyahra Alfisyhara, Alfisyhara Amelia, Kadek Devy Amelia, Reski Amelia, Risna Ana Puji Lestari Ana Puji Lestari Anggraini Anggraini Anggraini Anggraini Arivi, Maharani Agustina Arnisah, Sitti Arsyil Waritsman Askanita, Dsiya Auralia Asyita, Asyita Auliyah, Rifqah Awaludin Awaludin, Awaludin Badari, Siti Rahmatia Baharuddin Paloloang Bakri Bakri Bakri M Bakri M Bakri M Bakri Mallo Baso Amri Baso Amri Besse Nur Anisa Dahlan, Rahmawati Dahlia Dahlia Dasa Ismaimuza Desti Pujiarsih Dwi Warli Dyah Permata Elsa Febriasari Evie Awuy Fahrur Razi Faisal Faisal Fani, Sri Fazlika, Jihan Febriasari, Elsa Fitriyanti, Winda Gandung Sugita Haerani, Novianti Hajerina, Hajerina Hamsiana, Hamsiana Hasbi, Muh Hermin, Arwini Puspita Hikber Todongi Husna, Radhiatul I Made Sudarsana I Nyoman Murdiana I Nyoman Murdiana Ibni Hadjar Ika Citra Pratiwi Indriana Indriana, Indriana Islam, Fahrul Jaeng, Maxinus Jihan Fazlika Julian, Rofi S Kamaruddin, Kamarudin Kamarudin Kamarudin Kanarasi, Yabes Maxrobin Karindah, Elis Safira 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 Martina Martina Maxinus Jaeng Maxinus Jaeng Mery Napitupulu Miranda, Dini Mirnawati Muin MUFIDAH Mufidah Mufidah Muh Hasbi Muh Ikbal Almahdali Muh. Hasbi Muh. Hasbi Muh. Hasbi Muh. Rizal Muhammad Fitrah Muhammad Fitrah, Muhammad Muin, Mirnawati MUSTAMIN IDRIS Mustamin Idris Mustapa, Dita Ningrum, Ing Diar Maswal Ningsih, Firnawati Adia Nisa, Ainun Nita Nita Nita Nita Nur Islamiah, Nur Nur Islamiyah Nur’aini, Jafar Nurhalizah Nurhalizah Nurhalizah, Nurhalizah Nurhayadi Nurhikma, Nurhikma NURUL AZIZAH Nurviani Alamanda Nur’aini Jafar Padang, Sery Londong Pala, Martavina Yustita Pathuddin Pathuddin, Pathuddi Pau, Rizki Amalia Sy Pujiarsih, Desti Purwanindina, Atila Maheswari Dewi Putri, Istifanah Maharani Rahmadiani Rahmadiani Rahmawati Dahlan Ratna Ratna Dwi Oktavia Razi, Muhammad Fahrur Reski Amelia Rezki Lola Yunita Rezky Hari Sentosa Rizal, Muh Rochmat Wijaya Rofi Julian S Rumba, Kevin Angryawan Rydwan Balo S.Pou, Zulkfiri Sabila B, Dini Nurul Sari, Septi Rahmita Sasongko, Luddy Bambang Selmi Selmi, Selmi Sentosa, Rezky Hari Sinta, Selviana Siti Hardiyanti Siti Hardiyanti Sitti Nurhaliza Sudarman Bennu Sudarsono Sukayasa Sutji Rochaminah Syamsiar Syamsiar, Syamsiar Tajuddin Tajudin Tajudin Tatag Yuli Eko Siswono Tatag Yuli Eko Siswono Tegoeh S. Karniman Tina Walanda, Richard Albert Warli, Dwi Welli Meinarni Wijaya, Rochmat Winda Fitriyanti Wirawan, Moh. Dhuhri Surya Wirdania, Wirdania Wisilayasa, I Gede Darma