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Tian Abdul Aziz

Universitas Negeri Jakarta

Author-ID : 2781329

Religion Arts Humanities Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Energy Engineering Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Public Health Social Sciences Other

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How Do College Students Solve Logarithm Questions? Aziz, Tian Abdul; Pramudiani, Puri; Purnomo, Yoppy Wahyu
International Journal on Emerging Mathematics Education IJEME, Vol. 1 No. 1, March 2017
Publisher : Universitas Ahmad Dahlan

The purpose of the study was to investigate college studentsâ work with logarithm questions. Qualitative descriptive research is chosen to reach the research goal. The participants of the study were fourteen Indonesian students who were enrolled at different universities in Ankara, Turkey. They worked to solve ten logarithm questions which were classified according to the contents. After analysing their written responses, interviews were conducted to obtain further explanation about their strategies and common mistakes. The study found that participantsâ works in dealing with logarithm questions comprised of (a) processing base, (b) holding the rule, (c) separating, (d) jumping, and (e) conditioning. Therewith, several participants made common mistake because of misconception about logarithm, arithmetical problems, and misuse of algebra concept. Implication of the finding of the study for teaching and learning logarithm were presented.

Peningkatan Pengetahuan Konseptual tentang Bangun Datar melalui Pendidikan Matematika Realtistik Pramudiani, Puri; Oktafiani, Adinda Fuadillah; Aziz, Tian Abdul; Purnomo, Yoppy Wahyu
Jurnal Inovasi Pendidikan Dasar Vol 3 No 1 (2017): November
Publisher : Universitas Muhammadiyah Prof. Dr. HAMKA Press

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Penelitian ini bertujuan untuk melihat apakah tedapat peningkatan pemahaman konsep bangun datar menggunakan Pendidikan Matematika Realistik. Penelitian ini dilakukan di kelas II sekolah dasar pada tahun akademik 2016/2017. Penelitian desain dipilih sebagai basis penelitian yang meliputi persiapan eksperimen, pre-experiment yang melibatkan 6 siswa kelas IIA untuk menguji awal Hypothetical Learning Trajectory (HLT), teaching experiment yang melibatkan 37 siswa Kelas IIB, dan analisis retrospektif (analisis data diperoleh dari tahap sebelumnya). HLT memainkan peran penting sebagai desain dan instrumen penelitian. HLT yang telah dirancang kemudian dibandingkan dengan pembelajaran siswa yang sebenarnya dalam teaching experiment. Data pemahaman siswa tentang konsep bentuk diperoleh dengan menggunakan pre-test, observasi, wawancara, lembar kerja siswa dan post-test serta data yang diperoleh dalam proses pembelajaran. Hasil penelitian ini menemukan bahwa ada peningkatan pemahaman konsep bangun datar yang akan diuraikan lebih lanjut dalam pembahasan.

Mengidentifikasi Strategi Pembagian dari Calon Guru Sekolah Dasar Pramudiani, Puri; Purnomo, Yoppy Wahyu; Aziz, Tian Abdul
Jurnal Inovasi Pendidikan Dasar Vol 2 No 1 (2016): November
Publisher : Universitas Muhammadiyah Prof. Dr. HAMKA Press

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Penelitian ini fokus untuk mengidentifikasi karya calon guru sekolah dasar terhadap masalah pembagian menggunakan pendekatan matematis yang disebut Realistic Mathematics Education (RME). Sebuah studi kasus dilakukan untuk 36 calon guru di salah satu universitas swasta di Jakarta yang mengambil matakuliah RME. Hasil analisis dari jawaban tertulis partisipan menunjukkan bahwa pendekatan mengarahkan partisipan untuk mengembangkan makna matematika untuk menangani masalah pembagian melalui berbagai strategi. Sesuai dengan prinsip RME, yakni, penggunaan model dan simbol untuk matematisasi progresif, penelitian ini menunjukkan bahwa partisipan dapat memperoleh orientasi untuk mengembangkan ide-ide matematika dan strategi. Implikasi dari temuan ini dapat ditemukan dalam pembahasan.

EXTERNAL REPRESENTATION FLEXIBILITY OF DOMAIN AND RANGE OF FUNCTION Aziz, Tian Abdul; Kurniasih, Meyta Dwi
Journal on Mathematics Education Vol 10, No 1 (2019)
Publisher : Department of Doctoral Program on Mathematics Education, Sriwijaya University

This study attempts to analyze pre-service secondary mathematics teachersâ€™ flexibility of external representations of domain and range of functions. To reach the purpose, a task consisted of thirty question items were designed. Participants of the study were thirty-eight Indonesian pre-service secondary mathematics teachers attending mathematics education department at one private university in Jakarta, Indonesia. Based on the analysis participants written responses, this paper revealed participantsâ€™ difficulties in providing a proper and consistent definition of the concept of domain and range of functions. We also disclosed the participantsâ€™ lack of flexibility in doing translation among representations under the concept of domain and range of function. In general, participants written responses to the task did not provide evidence of a solid understanding of domain and range. There are several implications of these findings offered for secondary mathematics teacher educationâ€™s program.

Pengaruh Pembelajaran SAVI (Somatic, Auditory, Visual, Intellectual) terhadap Kemampuan Pemecahan Masalah Ditinjau dari Tingkat Kemampuan Awal Matematika Siswa SMK Riam Nurussilmah; Vera Maya Santi; Tian Abdul Aziz
JURNAL RISET PEMBELAJARAN MATEMATIKA SEKOLAH Vol 4 No 2 (2020): Jurnal Riset Pembelajaran Matematika Sekolah
Publisher : Program Studi Pendidikan Matematika FMIPA Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/jrpms.042.04

Penelitian ini membahas tentang penerapan model pembelajaran SAVI (Somatik, Auditori, Visual, Intelektual) terhadap kemampuan memecahkan masalah matematika ditinjau dari kemampuan awal matematika siswa kelas X SMK. Penelitian ini menggunakan metode kuasi eksperimen dengan Post-Test Only Non-equivalent Control Group Design . Pengambilan sampel dengan teknik cluster random sampling . Kelas eksperimen terdiri atas 36 siswa, yang mendapat pelatihan terdiri dari model pembelajaran SAVI dan kelas kontrol terdiri dari 32 siswa yang menggunakan model pembelajaran konvensional.Instrumen yang digunakan adalah tes kemampuan awal matematika dan tes kemampuan pemecahan masalah yang dikembangkan oleh peneliti dan memiliki tingkat validitas dan reliabilitas sangat tinggi. Berdasarkan hasil pengujian menggunakan uji ANAVA RAK diperoleh model pembelajaran SAVI dan konvensional yang dilakukan tidak memberikan dukungan dalam pengaduan Selain itu, berdasarkan tingkat kemampuan awal matematika terkait dengan kemampuan memecahkan masalah matematika siswa. Kemudian, dengan Uji Duncan (DMRT) memperoleh hasil model SAVI dengan kemampuan awal matematika yang lebih baik dari model konvensional dalam kemampuan memecahkan masalah matematika siswa.

PENGARUH MODEL PEMBELAJARAN STUDENT FACILITATOR AND EXPLAINING TERHADAP KEMAMPUAN KOMUNIKASI MATEMATIS SISWA SMA Anggita, Ritzi; Aziz, Tian Abdul; Nugraheni, Esti Ambar
Jurnal Math-UMB.EDU Vol 7, No 1 (2019): Volume 7 Nomor 1, Tahun 2019
Publisher : Universitas Muhammadiyah Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36085/math-umb.edu.v7i1.425

This research aims to examine the results from the effectiveness of the Student Facilitator and Explaining (SFaE) the learning model on students' mathematical communication skills at one of the private schools in Tangerang city in the 2018/2019 academic year with the topic of sequences and series. In this research the method used a Quasi Experimental with research designs The Nonequivalent Pretest-Posttest Control Group Design. This study uses classes that are already available. The research sample used is clas XI MIPA 1 as many as 35 students as the experimental class and class XI MIPA 3 as many as 35 students as the control class. Data is collected from the result of the pretest and posttest mathematical communication skills that student work with the number of valid questions that 15 of 20 questions. Data were analyzed using a two-party test. Based on this research of this study states that the Student Facilitator and Explaining (SFaE) learning model effects the mathematical communication ability of students at SMA one of the private schools in Tangerang city which obtained a mean score of 26,97 with a standard deviasi of 5,576 with a significance level of 0,05 and obtained the influence of 0,656 which includes moderate interpretations.Keywords : Student Facilitator and Explaining, Mathematical Communication

PENGARUH MODEL PEMBELAJARAN STUDENT FACILITATOR AND EXPLAINING TERHADAP KEMAMPUAN KOMUNIKASI MATEMATIS SISWA SMA Ritzi Anggita; Tian Abdul Aziz; Esti Ambar Nugraheni
Jurnal Math-UMB.EDU Vol. 7 No. 1 (2019): NOVEMBER
Publisher : Universitas Muhammadiyah Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36085/math-umb.edu.v7i1.425

Analysis of Students’ Misconceptions on Solving Algebraic Contextual Problem Faoza Saaroh; Tian Abdul Aziz; Dwi Antari Wijayanti
Risenologi Vol. 6 No. 1 (2021): Risenologi
Publisher : Kelompok Peneliti Muda Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47028/j.risenologi.2021.61.165

Students misconceptions in solving contextual algebraic problems is still often found in this educational world. This study aims to describe the forms of student’s misconceptions in solving algebraic contextual problems and explain the causes of these misconceptions. The approach in this research is a qualitative approach, that is library research where the data used are secondary data. This research uses literature review data collection techniques. The number of articles used as data sources is 19 articles related to topics in research with algebraic contextual items taken from 5 articles to be displayed in the results section of the study. Data analysis used descriptive analysis method by describing the intentions and comparing several research articles. The results showed several forms related to non-systematic errors, namely concept errors or students’ misconceptions in solving algebraic contextual problems, namely the occurrence of misconceptions within the scope of algebraic arithmetic operations, understanding the meaning of variables, simplifying, or operating algebraic expressions, and interpreting contextual problems into algebraic mathematical form. The misconception occurs in students with low and moderate mathematical abilities where the cause of this phenomenon is due to the occurrence of errors in the learning process by educators in which students are less accustomed to solving contextual problems or open-ended questions. Therefore, it is hoped that educators can determine the learning model appropriately in fixing the problem of contextual algebraic misconceptions and further researchers can find new learning models that affect this problem.

EXTERNAL REPRESENTATION FLEXIBILITY OF DOMAIN AND RANGE OF FUNCTION Tian Abdul Aziz; Meyta Dwi Kurniasih
Journal on Mathematics Education Vol 10, No 1 (2019)
Publisher : Department of Doctoral Program on Mathematics Education, Sriwijaya University

This study attempts to analyze pre-service secondary mathematics teachers’ flexibility of external representations of domain and range of functions. To reach the purpose, a task consisted of thirty question items were designed. Participants of the study were thirty-eight Indonesian pre-service secondary mathematics teachers attending mathematics education department at one private university in Jakarta, Indonesia. Based on the analysis participants written responses, this paper revealed participants’ difficulties in providing a proper and consistent definition of the concept of domain and range of functions. We also disclosed the participants’ lack of flexibility in doing translation among representations under the concept of domain and range of function. In general, participants written responses to the task did not provide evidence of a solid understanding of domain and range. There are several implications of these findings offered for secondary mathematics teacher education’s program.

PRE-SERVICE SECONDARY MATHEMATICS TEACHERS’ UNDERSTANDING OF ABSOLUTE VALUE Tian Abdul Aziz; Supiat Supiat; Yohanes Soenarto
Jurnal Cakrawala Pendidikan CAKRAWALA PENDIDIKAN, VOL. 38, NO. 1, FEBRUARY 2019
Publisher : LPMPP Universitas Negeri Yogyakarta

This study aims to give a comprehensive account of pre-service secondary mathematics teachers’ understanding of absolute value. Thirty two-item absolute value understanding test was developed and administered to thirty-eight students attending mathematics education department at one private university in Jakarta City, Indonesia. Five of them were selected purposively and interviewed to gain deep information and confirm their written responses in the test. We find that most participants struggled with the absolute value task. There are inconsistencies of the definition of absolute value expressed by them. Besides, typical mistakes made are: (a) removal of absolute value bars; (b) focus heavily on rules; (c) conversion of absolute value bars to parentheses; (d) exclusion of number inside absolute value bars; (e) poor algebraic manipulation; and (f) inability to draw absolute value graph. Based on the findings, the most common cause of mistakes made by the participants is didactical contract in mathematics teaching and learning. Limitation and implications of the study are presented.

Co-Authors Abdul Karim Abdul Karim ABDUL MANAF Adinda Cahyani Adinda Fuadillah Oktafiani Agung Purwanto Albab, Novita Ullil Amarta Prayuti Amarta Prayuti Amelia, Restie Andita Sulistyaningrum Anggita, Ritzi Anny Sovia Arsyaf, Fahira Aulia Kartika Syari Aurelia, Flavia Baginda Edward Siagian Chairunnisa Inayatusufi Contillo, Gerry Dwi Antari Wijayanti Dwi Jeanita Sengkey Efendi Napitupulu Eko Siswanto El Hakim, Lukman Ellis Salsabila, Ellis Elvi Nurhayati Selian Ester Sinaga Esti Ambar Nugraheni, Esti Ambar Fadillah Al Amin Fahira Arsyaf Faiza Izzati Mufti Faoza Saaroh Febriawan, Dimas Flavia Aurelia Flavia Aurelia Hidaja Flavia Aurelia Hidajat, Flavia Aurelia Flavia Aurelia Hidayat Gesti Marsaulina Br. Pakpahan Gesti Marsaulina Pakpahan Gunawan, Bayu Haeruman, Leny Dhianti Hakim, Lukman El Hasna Afifah Hutagalung, Lastri Indiyah, Fariani Hermin Irfan Wahyu Prananto Janna Sri Bina Br Barus Juniarisandy Saragih Karimah, Nabilah Nurul Kisworowati Kms. Muhammad Amin Fauzi Kurniasih, Meyta Dwi Lamsihar Gandauli Ritonga Lestari, Nur Puji Lestari Lubis, Risa Nursamsih Lukita Ambarwati Lukita Ambarwati Lukman El Hakim Lukman El Hakim Makmuri Makmuri Makmuri Martinus Didik Setyawan Masitah Shahrill, Masitah Maysun, Maysun Meiliasari Meyta Dwi Kurniasih, Meyta Dwi Miftahul Jannah Muh. Ilham Dhani Muiz Ghifari Muiz Ghifari Mulia, Tri Cahya Mustafa Buğra Akgül Mutiah Muzakki Tamami Nabillah, Rokhmatun Niken Sulfayanti Nita Adelyn Nur Puji Lestari Nurafni Oktaviani Oktafiani, Adinda Fuadillah Pakpahan, Gesti Marsaulina Br. Pasri Pinta Deniyanti Pinta Deniyanti S Pinta Deniyanti Sampoerno Pinta Deniyanti Sampoerno Pramudiani, Puri Prasetyo, Rizky Budi Puri Pramudiani Puri Pramudiani Puri Pramudiani Puri Pramudiani RA Seravika Primasari Rahayu, Wardani Rahmi, Usma Junia Ratna Juwita Rhaudiya Azahra, Salsabila Riam Nurussilmah Rila Septia Pratama Putri Rila Ritzi Anggita Robiah Adawiyah Rokhmatun Nabillah Rosa Yuliana Rosari, Veni Rotua Simbolon Samosir, Ernika Saraswati, Emiliana Septi Nur Fauziya Shafa Khairunnisa Shofa, Gharitza Zahira Silih Warni Simbolon, Rotua Sofyan Husein Nasution Sri Adi Widodo Sri Adi Widodo Suardi, Suparli Suparli Suardi Supiat Supiat Swida Purwanto Syahdatunnisa, Anis Amalia Tamami, Muzakki Tita Rosita Vera Maya Santi Yohanes Soenarto Yoppy Wahyu Purnomo Yulia Saraswati Yuliana, Rosa YUYUN ELIZABETH PATRAS, YUYUN ELIZABETH

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