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Asih Miatun

Universitas Muhammadiyah Prof. Dr. Hamka

Author-ID : 2488228

Humanities Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Health Professions Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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PROFIL PEMAHAMAN KONSEP TEOREMA PYTHAGORAS SISWA BERDASARKAN PERBEDAAN GAYA KOGNITIF FIELD INDEPENDENT DAN FIELD Nurafni Nurafni; Asih Miatun; Hikmatul Khusna
KALAMATIKA Jurnal Pendidikan Matematika Vol 3 No 2 (2018): KALAMATIKA November 2018
Publisher : FKIP Universitas Muhammadiyah Prof. DR. HAMKA

This research is a descriptive qualitative approach which aims to describe profile of understanding of pythagoras theorem concept of students based on the difference of field independent and dependent cognitive style. The subjects of this study are 9th grade students of junior secondary school. Subject determination is done using GEFT instrument and mathematics teacher’s consultation, then continued by giving concept comprehension test on Pythagorean theorem material and interview. Checking the validity of data is done by time’s triangulation. The results showed that student: 1) states the meaning of Pythagoras's theorem given in his own language by noting Pythagorean theorem’s definition; 2) when using the concepts of Pythagoras theorem, students use triangle images as representations to facilitate an interpretation of given sides position. Then the students find the unknown values and use Pythagoras theorem to solve the problem; 3) using the necessary condition or sufficient condition of a concept to determine the area of a triangle using Pythagorean theorem by finding a side. While, the results for field independent cognitive style are student: 1) expresses the meaning of Pythagoras theorem by using their own language and mentioning the symbols; 2) using the concepts of Pythagorean theorem to solve the problem given by using multiplication operations to determine one of unknown sides. Then, student use pythagoras theorem to find the answer of the given problem; 3) using the necessary conditions or sufficient terms a concept of Pythagoras theorem by stating that it must be known two sides or not.

PENGEMBANGAN BAHAN AJAR MATERI INDUKSI MATEMATIKA DAN TEORI BINOMIAL BERBASIS PEMBUKTIAN Nurafni Nurafni; Asih Miatun; Hikmatul Khusna; Hella Jusra
KALAMATIKA Jurnal Pendidikan Matematika Vol 4 No 1 (2019): KALAMATIKA April 2019
Publisher : FKIP Universitas Muhammadiyah Prof. DR. HAMKA

Students' ability in solving argumentation in mathematical induction and binomial theory is still lacking based on the results of the exam, so that evidence-based teaching materials are prepared. This study uses design research methods with the subject from 2nd semester students of the Mathematics Education Study Program. This research is a development research consisting of 6 stages: Identification of needs, Planning, Initial product development, Initial product testing, Product revision, Field trials so as to produce teaching materials. The results of the lecturer and student validation show that the teaching materials are valid and feasible to use with an average score of 45 and 45,9333. While the test of the effectiveness of teaching materials used using the t-test obtained results that ttest> ttable, 5.83 > 2.11 which means there is an increase in the average value of students before and after using teaching materials. With the increase in value, it indicates that the instructional materials prepared are effectively used.

Co-Authors Afifah Nafis Ayu Faradillah Faradillah, Ayu Habibah Nurhani Zulfah Humaira Humaira Jusra, Hella Khusna, Hikmatul Krisna Satrio Perbowo Luffy Ardiansyah Lutfia Fitriyani Meita Larasati Nur Alifa Deviar Refiyanti Nur Alifa Deviar Refiyanti Nurafni Nurafni Nurafni Nurafni Rizqa Rahmatiya Sandra Nindiani Suci Sue Johnston-Wilder Syafika Ulfah Trisna Roy Pradipta Ulfah, Syafika Windia Hadi, Windia Zahrani Dhea Safitri

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Journal : KALAMATIKA Jurnal Pendidikan Matematika