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Gandung Sugita
Pendidikan Matematika FKIP-Universitas Tadulako
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemistry Economics, Econometrics & Finance Education Electrical & Electronics Engineering Environmental Science Mathematics Social Sciences Other

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Journal : NUMERICAL (Jurnal Matematika dan Pendidikan Matematika)

 1 
Students' Critical Thinking Profile in Solving Problems Proving Trigonometric Identities in View of Gender Differences Eliyana, Eliyana; Sugita, Gandung; Anggraini, Anggraini; Murdiana, I Nyoman
Numerical: Jurnal Matematika dan Pendidikan Matematika Vol. 8 No. 1 (2024)
Publisher : Universitas Ma'arif Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25217/numerical.v8i1.4468

Abstract

This study aims to describe the critical thinking profile of SMAN 5 Model Palu grade XI students in solving trigonometric identity proof problems regarding gender differences. The subjects in this study were male students or S1 and female students or S2 of grade XI Mipa 4 SMAN 5 Model Palu who have high mathematical abilities. Data were collected through tests and interviews. The results of this study indicate that S1 and S2 in solving trigonometric identity proofs have the correct answers and are accompanied by supporting reasons. However, there are some differences in thinking activities between the two, namely S1 who is a male student with high ability has a shorter answer than the solution of S2 who is a female student with high ability, S1 uses a logical way of thinking compared to S2 who tends to be proficient with his verbal abilities. This shows that S1 and S2 even though they have equal mathematical abilities, there are some differences between the two in solving trigonometric identity proofs whose data are obtained from written assignment answers and interview results.
Analysis of Errors in Solving Story Questions on Algebraic Operations Based Kastolan Theory Students SMP Negeri 6 Palu Fitriyaningsih, Ari; Sugita, Gandung; Anggraini, Anggraini; Murdiana, I Nyoman
Numerical: Jurnal Matematika dan Pendidikan Matematika Vol. 8 No. 1 (2024)
Publisher : Universitas Ma'arif Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25217/numerical.v8i1.4489

Abstract

This research examines students' mistakes in solving mathematics story problems, especially algebraic arithmetic operation story problems, based on Kastolan theory and examines what factors cause students to make these mistakes. The type of research used in this research is descriptive qualitative. The place where the research was carried out was SMP Negeri 6 Palu. The subjects taken in this research were class VII students at SMP Negeri 6 Palu, consisting of 1 student with several considerations obtained as students with low MH abilities. Before analyzing the data obtained, it is validated first using member check. The data analysis techniques used in this research are data reduction, data presentation and drawing conclusions. The results of this research show that subject MH made 3 types of errors based on Kastolan's theory, namely: Conceptual Errors in the form of the subject not being able to apply the formula, classifying the form of variables in solving the problem when using the formula that has been obtained, the subject not writing completely the information known in the problem and errors in substituting known information into the question. Procedural errors in the form of irregularity in the solution steps used by the subject, there are several steps that are skipped so that the solution becomes wrong until the final stage of solving the problem. Technical error in the form of Subject MH making an error in calculating the value in the arithmetic operation shown in the subject only dividing by 2 each solution to get the result of the question in the problem because the subject did not understand the formula to be used and was not correct in substituting the value in the problem into problem solving. The factors that cause errors made by students are divided into two, namely internal and external factors. Internal factors include low basic knowledge regarding the form of arithmetic operations, solving steps for story questions and low knowledge of algebraic material. Lack of practice working on questions in the form of story problems and students' lack of accuracy in solving story problems. The external factor is that students are in a hurry when completing story problems because they want to finish them immediately and go to do other activities with their friends.
Co-Authors A. Roring, Martdelene Abdur Rahim Catur Putra Agus Rusmawan Alfisyahra Alfisyahra, Alfisyahra Ananda, Rini Anggraini Anggraini Anggraini Anggraini , Anggraini Anggraini Anggraini, Tiara Wahyu Anisa, Nurul Apriliani, Nurul Esra Arafyana, Azniar Arfi ARDIANSYAH ARDIANSYAH Armawan, I Made Adi Aryanto Aryanto Ashar Ashar Ashar Asti Perlin Terampe Aswan Aswan Aswan Aswan Azniar Arfi Arafyana Baharuddin Paloloang Baharuddin Paloloang Baharuddin Paloloang Bakri M Bakri Mallo darwis darwis, darwis Dasa Ismaimuza Dermawan, Didit Destria Pitaloka Pertiwi Deswati, Elvira Dewi, Arum Resiana Dwi Rahmandani Eliyana, Eliyana Ermayanti, Ni Luh Esa Kurniawan Evie Awuy Evie Awuy Faisal Faisal Fausan Fausan Fausan, Fausan Ferdiawan A. Malidje Fitriyaningsih, Ari Gede Megantara, I Putu Agus Gumanambo, Nening Gumanambo, Nening Hanifa Hanifa, Hanifa hardiana Hardiana, Hardiana Huljannah, Miftha I Ketut Catur Suwitra I Made Adi Armawan I Made Cahrianto I Nyoman Murdiana I Nyoman Murdiana I Putu Agus Gede Megantara I Wayan Jati Jaya Ibni Hadjar Ibnu Hajar Ibnu Hajar ini, Anggra Ismi Zarkiah Jaeng, Maxinus Jaeng, Maxinus Jaya, I Wayan Jati Juliyanti Jumarni Jumarni Jumarni Jumnah Jumnah Jusma Lestari, Nur Ayu Enda Lidia Christine Silalahi Linawati Linawati Lusi Susilawati M., Bakri Marinus B. Tandiayuk Marinus B. Tandiayuk Marinus Barra Tandiayuk Marinus Barra Tandiayuk Marsana, I Made Maxinus Jaeng Maxinus Jaeng Megantara, I Putu Agus Gede Meinarni, Welli Miftha Huljannah Mirawati, Ni Kadek Moh. Rizky Muh Hasbi Muh. Hasbi Muh. Rizal Muh. Rizal Muh.Rizal MUSTAMIN IDRIS Nasir, Rahma Nening Gumanambo Ni Luh Regita Eka Widhiani Ni Putu Wiwik Noviani Nia Kurniadin Novia Astriani Novita Saselah Nurhayadi Nursusanti Nursusanti, Nursusanti Pathuddin Pau, Rizki Amalia Sy Pribadi, Rahmat Ifal Puput Puji Lestari, Puput Puji Putra, Abdur Rahim Catur Rahmandani, Dwi Rahmat Ifal Pribadi Rahmayanti, Fira Rahmi Rezky Hari Sentosa Rita Lefrida Rusmawa, I Ketut Beni Rusmawan, Agus Safira Afrilia SANDY SAPUTRA Saselah, Novita Satriana Satriana Sentosa, Rezky Hari Silalahi, Lidia Christine Sitatun Nurmi Sry Yasma Sudarman Bennu Sukayasa Sukri sukri Sukri, sukri Susilawati, Lusi Sutji Rochaminah Suwitra, I Ketut Catur Taufik, Moh Terampe, Asti Perlin Tiara Wahyu Anggraini Ulfa Watini, Watini Widhiani, Ni Luh Regita Eka Yuyun Selasti Zarkiah, Ismi Zulfajri Zulfajri Zulfajri, Zulfajri