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Samsul Maarif
Universitas Mumahammadiyah Prof. Dr. Hamka
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Journal : IndoMath: Indonesia Mathematics Education

 1 
Depicting Epistemological Obstacles in Understanding the Concept of Sequence and Series Samsul Maarif; Krisna Satrio Perbowo; Rahmat Kusharyadi
IndoMath: Indonesia Mathematics Education Vol 4 No 1 (2021)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/indomath.v4i1.9339

Abstract

This study aimed to discover epistemological obstacle on secondary students to solve sequence and series problems based on three indicators, there are a conceptual obstacle, procedural obstacle, and operational technique obstacle. This study was descriptive with qualitative research approaches. Data were collected with the test and interview method. The subjects in this study are students of SMP Negeri 86 Jakarta class VIII based on the errors seen from the diagnostic tests that had been tested. The analysis was done by giving written tests which are essay and interview formatted. Results on analysis showed that: (1) Conceptual obstacle, obstacle that was experienced by students are: students considered that a pattern was said as a numeral pattern because they own odd numeral pattern and own 2,2,2 of difference; were not able to find exact pattern within the problem; considering that Fibonacci numeral sequence was a pattern that form prime numeral pattern; were not able to differ the concept of arithmetics and geometry sequence; were not able to understand the concept of first quarter on arithmetics sequence; error when interpreted the meaning of problems; were not able to intepret what was given on mathematics model; interpreting sum of the first 20 quarters with sequences which own the 20th quarter; and interpreting sum of the first 20 quarters with the 20th quarter; (2) While on procedural obstacle, obstacle that was experienced are: interpreting numeral pattern if they own their pair; error on determining multiplication or difference; and applying formulas incorrectly; (3) Last on operasional technique obstacle, obstacle that was experienced are error on calculation and using sign and symbol mathematics incorrectly.
Co-Authors Abdur Rouf, Abdur Adam Firdaus Ade Fitriana Adhy Setia Putera Adlawan, Hendely A. Afifah, A Afifah, Faiqotul Ahda Alifia Rahmah Jamhari AL-Ashri, Lazuardi Sastra Ambarwati, Dyah Andini Widya Ningsih Anim, Sarbini Arosyid Wahyu Nugroho Aurellia, Kirana Reza Azkia, Nia BERLIANA NUR RAHMAH Burhendi, Feli Cianda Adrin Cahayani, Ayu Budi Cahayani Budi Dafid S. Setiana Daud Rasyid Desi D. Sari Desvian Bandarsyah Disya Futhi Rahma Dini Fadhlurrahman, Muhammad Hilmi Fahrany, Sofia Fatah Syukur, Fatah Fatkhiyatur Rizkiyah Febriantoni Febriantoni Febryliani, Ignes Fitri Alyani Fitri Sulistyowati Fitria Sulistyowati Fitriani, Nelly Geun, Ali An Sun Harita Audhea Akbari Hartami, Hartami Hasanah, Zulfatul Herri Mulyono Hidayah, Aliffia Laila Nur Hidayat, Wahyu Huri Suhendri Ibrahim . Idwar, Agus Ignes Febryliani Ihsana El Khuluqo Intan Fauziah Islam, Fahmi Jamalia, Syahnia Nur Jamaludin, Norzalila Binti Jeani Alfirahmadita Jiwanto, Fahmi Islam Joko Soebagjoyo Joko Soebagyo, Joko Kadir, Kadzrina Abdul Khairiyah, Nanda Khairunnisa, Rika Khoerul Umam Khoerul Umam, Khoerul Kohari, Khalis Krisna S. Perbowo Krisna Satrio Perbowo Laras Indah Mayowi Latifah Rani Leonard, Leonard Liddini, Uswatun Hasanah Madjid, Zamakhsyari Abdul Mahfuz Majid, zamakhsyari Abdul Moh. Suryadi Syarif Mohammad Adnan Muchamad Subali Noto Muhammad Nuril Huda Muhibudin, Muhibudin Munajah, Neneng Nelly Fitriani Nindi Sri Rahayu Novia Oktarina Nurafni Nurafni Nurruzzahra, Rezka Andiva Pamungkas, Bayu Aji Pradipta, Trisna Roy Putri Wulandari Rahayu, Nindi Sri Rahma Dini, Disya Futhi Rahman Yasin, Rahman Rahmat Kusharyadi Risqi Rahman Rokhyani Nur Setiarini Ronald Adam Royke B. Koapaha Safira Dinda Fitria Sahudi, Sahudi Salsabila Sandi Sessu Saputri, Khulyatin Dyah Shaari, Hasnizam Shafira, Diva Siti Mudzalifah Slamet Slamet Slamet Slamet SMith , Jonathan D. Soebagjoyo, Joko Soebagyo, Joko Sri Adi Widodo Sri Adi Widodo Sri Adi Widodo Sri Adi Widodo Sri Amelia Suastiwi Suastiwi Sujadi, Imam Sulistyowati, Fitri Sun, Ali An Surya Amami Pramuditya Syahnia Nur Jamalia Syakur, Saleem Trisna Roy Pradipta Trisna Roy Pradipta Trisna Roy Pradipta Trisna Roy Pradipta, Trisna Roy Uswatun Hasanah Liddini Uyuni, Badrah Vania, Sabina Stella Wahyu Hidayat Wahyu Hidayat Wati Sukmawati Widarta, Widarta Wikan Budi Utami Wiyono, Ikhsannuddin Yasin Surya Wijaya Yudha Renaldy Zahra Maya Syamsyiah Zahra Maya Syamsyiah Zaini, Aceng