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

Abstract

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

Abstract

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

Abstract

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

Abstract

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

Abstract

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

Abstract

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.
PROFIL KONEKSI MATEMATIS SISWA KELAS IX SMP NEGERI 14 PALU DALAM MENYELESAIKAN MASALAH PADA MATERI TEOREMA PYTHAGORAS DITINJAU DARI KEMAMPUAN MATEMATIKA Padang, Sery Londong; Hasbi, Muh.; Lefrida, Rita; Hadjar, Ibnu
Aksioma Vol. 14 No. 2 (2025): AKSIOMA
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/aksioma.v14i2.5309

Abstract

This study aims to obtain a description of the mathematical connection profile of grade IX students of SMP Negeri 14 Palu in solving problems in the Pythagorean theorem material reviewed from mathematical ability based on mathematical connection indicators. This type of research is descriptive research with a qualitative approach. The subject of this study is a student of SMP Negeri 14 Palu consisting of one student with high mathematical ability, one student with moderate mathematical ability and one student with low mathematical ability. Data is collected through written tests and interviews. The results of this study show that students with high mathematical ability: (1) can relate between mathematical concepts, namely the concepts of Pythagorean theorem and algebra, (2) can relate mathematics to physics subjects, (3) can relate mathematics to daily life. Students with moderate mathematical ability: (1) can relate between mathematical concepts, namely the concepts of Pythagorean theorem and algebra, (2) can relate mathematics to physics subjects, (3) can relate mathematics in daily life. Students with low mathematical ability: (1) cannot relate between mathematical concepts, (2) cannot associate mathematics with other sciences, (3) cannot associate mathematics in daily life.
PROFIL PEMECAHAN MASALAH DALAM MENYELESAIKAN SOAL PADA MATERI PERSAMAAN GARIS LURUS OLEH SISWA KELAS VIII SMP NEGERI 9 PALU DITINJAU DARI ADVERSITY QUOTIENT (AQ) Putri, Istifanah Maharani; Paloloang, Baharuddin; Pathuddin, Pathuddin; 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.v14i2.5312

Abstract

The purpose of this study is to obtain a description of the problem solving of straight line equations in terms of Adversity Quotient (AQ) of SMP Negeri 9 Palu students. This type of research is descriptive qualitative research. The subjects of this study were 3 students taken from 26 students of class IX F SMP Negeri 9 Palu. Data on students' AQ level was obtained by giving ARP questionnaire, while data on students' problem solving was obtained by tests and interviews. Using Polya's steps on Climber, namely; (1) Understand the problem: students understand and realize the completeness of the information in the problem (2) Develop a plan: students explain the problem solving plan well (3) Implement the Problem: students consistently carry out according to what was previously planned (4) Recheck: students check each step of problem solving. Using Polya's steps on Camper, namely; (1) Understand the problem: students understand the problem by reading the problem repeatedly. (2) Developing a plan: students explain the problem solving plan quite well. (3) Implementing the plan: students consistently carry out according to what was previously planned. (4) Rechecking: students doubt the answers that have been obtained. Using Polya's steps on Quitters, namely; (1) Understanding the problem: students identify information from the problem. (2) Making plans: students are able to make plans (3) problem solving: students do not solve the whole problem. (4) Rechecking: students do not solve the whole problem.
ANALISIS KESALAHAN SISWA KELAS VII SMP NEGERI 19 PALU DALAM MENYELESAIKAN SOAL PERSAMAAN LINEAR SATU VARIABEL (PLSV) Elis Safira Karindah; Dasa Ismaimuza; Rita Lefrida; Baharuddin Paloloang
Jurnal Elektronik Pendidikan Matematika Tadulako Vol. 13 No. 1 (2025): Jurnal Elektronik Pendidikan Matematika Tadulako (JEPMT)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/jepmt.v13i1.4298

Abstract

This study is a descriptive study with a qualitative approach that aims to describe and examine students' errors in solving linear equations of one variable (PLSV) based on Newman's stages and their causes. This data was collected through written assignments and interviews. The subjects of this study were students of class VII b at SMP Negeri 19 Palu. The informants in this study were three students of class VII b with each student having high ability, one student having medium ability, and one student having low ability at SMP Negeri 19 Palu who made the most errors. The results of this study indicate that the types of errors made by students are: (1) reading errors, (2) understanding errors, (3) transformation errors, (4) pcess skill errors, and (5) errors in writing answers. The factors causing the errors made by students are: (1) students are not careful in working on the questions. (2) students are unable to read words or recognize symbols in the questions (3) do not know the steps in solving the questions (4) students are in a hurry when solving the questions. (5) students do not understand the material being studied.
PROFIL PENYELESAIAN SOAL HOTS PADA MATERI VOLUME PRISMA OLEH SISWA KELAS VIII SMPN 2 KASIMBAR: Profile of Solving HOTS Questions on Prisma Volume Material by Class VIII Studens of SMPN 2 Kasimbar Asyita Asyita; Muh. Hasbi; Rita Lefrida; Sukayasa Sukayasa
Jurnal Elektronik Pendidikan Matematika Tadulako Vol. 12 No. 3 (2025): Jurnal Elektronik Pendidikan Matematika Tadulako (JEPMT)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/jepmt.v12i3.4324

Abstract

This research aims to obtain a description of the profile of solving HOTS questions on prism volume material by class VIII students at SMPN 2 Kasimbar based on Polya's steps. This type of research is qualitative research. The subject in this study consisted of one student with high mathematical ability (DA) who was selected from the results of a grouping based on his mathematical ability, then the subject was willing and able to communicate well and was recommended by the mathematics teacher at the school. The results of the research show that the HOTS problem solving profile of high ability (DA) students in solving HOTS volume prism problems is: 1) at the stage of understanding the problem, the DA subject writes down what is known and is asked in the question based on the information he obtained in the question, 2) makes a plan , the DA subject prepares a plan by linking the knowledge he has and the information he obtains to the problem, so that the DA subject prepares a solution plan correctly. 3) carry out the plan, the DA subject carries out the solution plan according to the plan and uses his numeracy skills to get the correct answer. 4) at the stage of re-checking the answer, the DA subject re-checks the answer by carrying out proof and also making a conclusion at the end of the proof. So that DA meets the four indicators that have been presented.
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, Andini 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 Basompe, Charlie Alva Besse Nur Anisa 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 Fani, Sri Fazlika, Jihan Febriasari, Elsa 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 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 MUFIDAH Mufidah Mufidah Muh Hasbi Muh. Hasbi Muh. Hasbi Muh. Hasbi 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 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 Nurhayadi Nurhayadi Nurhikma, Nurhikma 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 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 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 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 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