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Minarni, Ani; Napitupulu, E. Elvis; Husein, Rahmad – Journal on Mathematics Education, 2016
This paper is the result of first phase of the research about the development of students' mathematical understanding and representation ability through Joyful Problem-Based Learning (JPBL) at Public Junior High School in North Sumatra, Indonesia. The population is all of the students of public junior high school (PJHS) in North Sumatra. Samples…
Descriptors: Foreign Countries, Junior High School Students, Secondary School Mathematics, Public Schools
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van Galen, Frans; van Eerde, Dolly – Indonesian Mathematical Society Journal on Mathematics Education, 2013
At the end of primary school all children more of less know what a percentage is, but yet they often struggle with percentage problems. This article describes a study in which students of 13 and 14 years old were given a written test with percentage problems and a week later were interviewed about the way they solved some of these problems. In a…
Descriptors: Problem Solving, Mathematical Concepts, Interviews, Middle School Students
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Khikmiyah, Fatimatul; Lukito, Agung; Patahudin, Sitti Maesuri – Indonesian Mathematical Society Journal on Mathematics Education, 2012
Previous research shows that speed is one of the most difficult in the upper grades of primary school. It is because students must take into consideration two variables; distance and time. Nevertheless, Indonesian students usually learn this concept as a transmission subject and teacher more emphasizes on formal mathematics in which the concept of…
Descriptors: Foreign Countries, Elementary School Mathematics, Elementary School Students, Learning Activities