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Rita Lefrida

Mathematics Education Study Program, Faculty Of Teacher Training And Education, Universitas Tadulako

Author-ID : 305513

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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

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

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

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

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.

EFEKTIVITAS PENERAPAN PEMBELAJARAN VAN HIELE TERHADAP HASIL BELAJAR SISWA PADA MATERI GARIS SINGGUNG PERSEKUTUAN DI KELAS VIII SMP NEGERI 16 PALU Desti Pujiarsih; Rita Lefrida; Muh. Hasbi
Aksioma Vol. 7 No. 1 (2018)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/aksioma.v7i1.178

PENERAPAN MODEL PEMBELAJARAN KOOPERATIF TIPE NUMBERED HEADS TOGETHER UNTUK MENINGKATKAN HASIL BELAJAR SISWA DALAM MENYELESAIKAN PERTIDAKSAMAAN KUADRAT DI KELAS XB SMA GKST IMANUEL PALU Selmi; Muh. Hasbi; Rita Lefrida
Aksioma Vol. 7 No. 2 (2018)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/aksioma.v7i2.196

Abstrak: Tujuan penelitian ini adalah memperoleh deskripsi mengenai penerapan model pembelajaran kooperatif Numbered Heads Together (NHT) untuk meningkatkan hasil belajar siswa dalam menyelesaikan pertidaksamaan kuadrat di kelas XB SMA GKST Imanuel Palu. Rancangan penelitian mengacu pada desain penelitian Kemmis dan Mc.Tagart. Penelitian ini dilaksanakan dalam dua siklus. Keberhasilan tindakan dapat diketahui dari aktivitas peneliti dalam megelola pembelajaran di kelas dan aktivitas siswa dalam mengikuti pembelajaran dengan menerapkan medel NHT untuk setiap aspek yang dinilai menggunakan lembar observasi berada dalam kategori baik dan siswa dapat menyelesaikan soal-soal yang berkaitan dengan pertidaksamaan kuadrat dengan benar. Hasil penelitian ini menunjukkan bahwa penerapan model pembelajaran koperatif tipe NHT dapat meningkatkan hasil belajar yang tahapannya yaitu : 1) menyampaikan tujuan dan motivasi siswa, 2) menyajikan informasi, 3) penomoran (numbering), 4) pengajuan pertanyaan (questioning), 5) berpikir bersama (heads together), 6) pemberian jawaban (answering), 7) pemberian penghargaan. Kata Kunci : pembelajaran kooperatif tipe Numbered Heads Together (NHT), hasil belajar, pertidaksamaaan kuadrat. Abstrac : The purpose of this research was to obtain a description of the application of cooperative learning model Numbered Heads Together (NHT) to improve student learning outcomes in completing quadratic in grade XB SMA GKST Imanuel Palu. The study design refers to the design of Kemmis and Mc.Tagart research. This study carried out in two cycles. The success of the action can be determined from the researcher's activity in managing the learning in the classroom and the student's activity in following the lesson by applying the NHT medel to every aspect assessed using the observation sheet is in good category and the student can solve problems related to the quadratic inequalities correctly. The results of this study indicate that the application of cooperative learning model type NHT can improve learning outcomes stages are: 1) convey the purpose and motivation of students, 2) present information, 3) numbering, 4) questioning, 5) thinking Together (heads together), 6) answering, 7) awarding Keywords : The Application of Numbered Heads Together (NHT) Cooperative Learning, learning outcomes, quadratic inequality.

ANALISIS PEMECAHAN MASALAH OPERASI HITUNG PENJUMLAHAN DAN PENGURANGAN BENTUK ALJABAR SISWA KELAS VIII DITINJAU DARI PERBEDAAN JENIS KELAMIN: Analysis of Problem Solving Algebraic Operations of Addition And Subtraction of Algebraic Forms of Grade VIII Students Reviewed From Gender Differences Ma'abud, Yusril Y; Lefrida, Rita; Alfisyahra, Alfisyahra; Pathuddin, Pathuddin
Aksioma Vol. 13 No. 1 (2024): AKSIOMA
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/aksioma.v13i1.4347

This study aims to describe the analysis of problem solving of addition and subtraction operations in the form of aabar. The subjects of the study were 2 people, one male and one female each. Another criterion for the subjects was having high mathematical abilities. Polya's problem solving steps were used in this study. The results of this study are: (1) at the stage of understanding the problem, male and female students with high mathematical abilities can identify things that are known based on declarative sentences and those asked based on question sentences. In addition, the subjects can change verbal sentences into mathematical forms, (2) at the stage of planning the problem, the subjects are able to make connections between known information and the problems asked, (3) at the stage of implementing the problem solving plan, the subjects determine the results of the problems given in the questions by making connections between known information and then for example into algebraic form, after that carry out addition and subtraction operations in algebraic form to get the results of the problems given, (4) at the stage of re-checking, recalculating to be sure of the answer and re-checking each step that has been done.

ANALISIS METAKOGNISI SISWA SMA KARUNA DIPA PALU DALAM MEMECAHKAN MASALAH BARISAN DAN DERET ARITMETIKA DITINJAU DARI KEMAMPUAN MATEMATIKA: Analysis of Metacognition Students of SMA Karuna Dipa Palu in Solving Arithmetic Sequences and Series Problems Reviewed from Mathematical Ability Islam, Fahrul; Lefrida, Rita; Karniman, Tegoeh S.; Murdiana, I Nyoman
Aksioma Vol. 13 No. 1 (2024): AKSIOMA
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/aksioma.v13i1.4349

This study aims to metacognition of students SMA Karuna Dipa Palu with high, medium and low mathematical abilities in solving problems of arithmetic sequences and series in terms of mathematical abilities. This type of research is descriptive with a qualitative approach. This research was conducted in class XI IPA at SMA Karuna Dipa Palu in the 2023/2024 academic year with one student each with high, medium and low mathematics abilities. Data collection techniques use written assignments and interviews. This research uses two instruments, namely the main instrument, namely the researcher himself, and supporting instruments, namely written assignment sheets and interview guidelines. Data analysis is carried out through data condensation, data presentation, drawing conclusions. The results of the research show that: (1) The metacognition of students with high mathematical abilities in solving problems by Polya fulfills all indicators of understanding the problem well even without writing down what is known and asked, planning problem solving, implementing the problem solving plan, and checking the results of problem solving again with Good; (2) the metacognition of students with moderate mathematical abilities in solving problems by Polya meets the indicators very satisfactorily, written in detail; (3) the metacognition of students with low mathematical abilities in solving problems by Polya is not good enough in all indicators of understanding the problem, planning problem solving, carrying out problem solving, and checking the results of problem solving.

PENERAPAN MODEL PEMBELAJARAN KOOPERATIF TIPE THINK PAIR SHARE (TPS) UNTUK MENINGKATKAN HASIL BELAJAR SISWA PADA MATERI REFLEKSI KELAS XI OTKP 4 SMK NEGERI 2 PALU Hamsiana, Hamsiana; Hasbi, Muh.; Sukayasa, Sukayasa; Lefrida, Rita
Aksioma Vol. 14 No. 2 (2025): AKSIOMA
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/aksioma.v14i2.5306

This study aims to describe the application of cooperative learning model type think pair share in improving student learning outcomes on reflection material in class XI OTKP 4 SMK Negeri 2 Palu. The research method used is class action research (PTK). This research was conducted in two cycles, each cycle consisting of two meetings. This research design refers to the research design of Kemmis and Mc. Taggart's research design, namely (1) planning, (2) action implementation and observation and (3) reflection. Data analysis in this study used a qualitative approach. The data analysis used refers to Paizaluddin and Ermalinda (2013) who say that the analysis of data obtained in class action research is generally analyzed through qualitative descriptive. The data collection methods in this study include observation, interviews and field notes. The results showed that student learning outcomes could be improved by applying the cooperative learning model of think pair share (TPS) type in class XI OTKP 4 SMKN 2 PALU. This can be seen after applying the think pair share (TPS) learning model, in the first cycle the student learning outcomes that reached completeness were only 51.85%. Then in the second cycle the student learning outcomes that reached completeness were 76.67%. so it can be concluded that the application of the cooperative learning model type think pair share (TPS) can improve student learning outcomes on reflection material in class XI OTKP 4 SMK Negeri 2 Palu.

ANALISIS KEMAMPUAN KOMUNIKASI MATEMATIS SISWA DALAM SOAL TURUNAN BERDASARKAN KELOMPOK GENDER MASCULINE Amelia, Kadek Devy; Lefrida, Rita; Alfisyahra, Alfisyahra; Pathuddin, Pathuddin
Aksioma Vol. 14 No. 2 (2025): AKSIOMA
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/aksioma.v14i2.5308

This research aims to obtain a profile of students' Mathematical Communication Skills in derivative problems. Based on the Masculine Gender Group. The research uses a descriptive qualitative approach. The subjects in the research were three people from class XI students at SMA Negeri 1 Sigi. Subject selection is based on masculine gender. Data collection techniques include written tests, interviews and discussions. The research method uses within-method triangulation. The research results showed that (1) students with masculine gender stated the information in the questions using their own language, repeated their friends' explanations, wrote down ideas for solving derivative questions and wrote down the reasons for each step in solving the questions. clear (2) students with masculine gender can read the symbols contained in the derivative questions, write limit notation, explain the meaning of the graph in the picture. This subject can also repeat the explanation of the theme. Furthermore, (3) students with masculine gender can make conclusions from solving questions.

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 Ningrum, Ing Diar Maswal Ningsih, Firnawati Adia Nisa, Ainun Nita Nita Nita Nita Nur Islamiah, Nur Nur Islamiyah Nurâ€™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 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

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