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Journal : NUMERICAL (Jurnal Matematika dan Pendidikan Matematika)

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. Agustan Arifin Abd. Hamid Agus Aktawan, Agus Agustina, Sera Ahmad Fatoni Al Kahar, Aris Armeth Daud Alfisyahra, Alfisyahra Alhaddad, Bujuna Alzarliani, Waode Anggraini, Dinda Mutia Anggraini, Sarinah Septeria Ani Rakhmanita Anisa, Nurul Anisatul Khoiriyah Anita Anita Apdola, Zikrina Aprilia, Ghina Apriliani, Nurul Esra Aprillia, Selfi Arrofik Zulkarnaen Arsinah, Feny Aslam, Fatmawati Asma, Andi Aspari Aspari Astriana Astriana, Astriana Azizah, ⁠⁠Nur Baharuddin Baharuddin Baharuddin Paloloang Bakri Bakri Banneringgi, Nersy Barakati, Intan Faramita Bella Karmelia Cahyani Pratisti, Cahyani Darussalam, M. darwis darwis, darwis Dasa Ismaimuza Desti, Desti Desy Tri Desy Tri Desy Tri Anggarini Dewi Yuliasari Dianra, Atmika Radifa Diyanti, Krisma Eliyana, Eliyana Elwaren, Jimmy Yonathan Ermasari, Anissa Ermasari, Annisa Esa Kurniawan Evie Awuy Evrianasari, Nita Fajar, Rahmat Fajriani Fajriani Fakhrina Faridatul Hasanah fatimah Fatimah Fatma Dhafir Faza, Amirah Ferdiana, Nurlinda Fitria Fitria Fitriyaningsih, Ari Fratama, Aldy Gandung Sugit Gandung Sugita Gede Megantara, I Putu Agus Hardiyanti Hardiyanti Haryanto Haryanto Hasandi, Vebby Sandrina Hasbi, Muh Hendri Marhadi Herudini Herudini Holil, Holil Huljannah, Miftha I Nyoman Murdiana I Nyoman Murdiana, I Nyoman Murdiana Ibni Hadjar Ilham Ilahi Imronah, Imronah Indah Yuliani Indriyani Indriyani Iqmy, Ledy Octaviani Irawati Irawati Irnayanti, Ayu Jaeng, Maxinus Jamanuddin Jamanuddin Jayawarsa, A.A. Ketut Jihadillah Saepurohman, ⁠Muthi'ah Julianti, Alda Kadir Kadir Karniman, Tegoeh S Karniman, Tegoeh S. Karniman, Teguh S. Kartika, Eva Dwi Kastarina, Yuni Kurniasari, Devi Lapalesa, Ester Lastri, Widya Monica Lathifah, Neneng Siti Lia Nurmalia Lineaus, Julvian Fredy Luh Kerti, Ni Made Lukmana, Diah M. Huda Maisyaroh, Siti Marcella, Fanna Marina Mahesi Marinus B. Tandiayuk Marinus Barra Tandiayuk Mariza, Ana Mauliasari, Mauliasari Maulida, ⁠Ida Megantara, I Putu Agus Gede Meinarni, Welli Minarsih Minarsih Mirawati, Ni Kadek MISMIWATI, MISMIWATI MISMIWATI Moh. Rizal, Moh. Muazin, Muhammad Mu’min, Vemy Asirudin Mubarik Mubarik Mufidah Mufidah Muh Hasbi Muh. Hasbi Muh. Rizal Muhammad Afif Muhammad, Atha Muhammadinah Muhammadinah, Muhammadinah Mulia, Anissa MUSTAMIN IDRIS Mustilah, Feni Muzdalivah, Muzdalivah Nasir, Rahma Naswati, Wawat Nia Kurniadin Nisyatun, Nisyatun Nitaleni Mentara Nugraheni, Dwi Ary Nurhaliza, Saripa Nurhasnah Nurhasnah Nurhayadi Nurliyani Nurliyani Nursusanti, Nursusanti Nurul Isnaini Oktaviani, Dian Oktoviana, Leli Dewi Paloloang, Muhammad Fachri B. Palunsu, Evi Febriani R. Pathuddin Patrisia, Iie Permata, Dyah Prasetyo, Ratno Eko Jati Pratara, Yula Puput Puji Lestari, Puput Puji Purnamasari, Wa Ode Dian Purnami, Wayan Sri Puspita, Riri Ageng Puspita, Rita Putri, Miranda Putri, Ratna Dewi Rachmawati, Fijri Rafika Rafika Rahayu Rahayu Rahmatullah, Alfian Raiyan, Raiyan Ramanda, Rafika Ramdhani, Moh. Faisal Riduwansyah, Riduwansyah Rita Lefrida Rizal Rizal Rizki Aidawati Rosmida, Rosmida Rosmiyati Rosmiyati Rumi, Moh. Fadhel Rusmawa, I Ketut Beni Samino Samino SANDY SAPUTRA saputra, fajar Saputra, Yandy Anugraha Sari, nurlela Sari, Rani Nadila Sarita, Rahma Sihaloho, Rizka Yunita Sirait, Afriyanti Elsyah Br Siti Helmyati Siti Marwiyah Siti Zulaikha Sriwijaya, Reza Agung Sudarman Bennu Sugiyarti, Listya Suharman Suharman, Suharman Sukawati, Ni Made Ari Sukayasa Sukiman Sukiman Sunarsih Sunarsih Sunarsih Sunarsin Susilawati Susilawati Susilawati, Susilawati Susmiarti Sutji Rochaminah Syamsiar, Syamsiar Teguh Purnomo, Teguh Ulfiana, Dewi Unpris Yastanti Usman, Usman H.B Utami, Vida Wira Wahyuningsih, Yusminar Wardana Wardana Watini, Watini Widiatmoko, Ryan Wisnawati, Ni Luh Putu Juni Yanti, Puspa Yatik, Emeliyana Yuli Yantina Yuspita, Yeni Yuviska, Ike Ate Zarma, Zarma Zuhraini, Rani Zulfajri, Zulfajri