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Hendriana, Heris; Prahmana, Rully Charitas Indra; Hidayat, Wahyu – Journal on Mathematics Education, 2019

The rural area's student difficulties in learning the concept of number operation had been documented by several studies, especially for the case of multiplication. The teacher typically introduces the multiplication concepts using the formula without involving the concept itself. Furthermore, this study aims to design learning trajectory on…

Descriptors: Foreign Countries, Rural Areas, Rural Schools, Mathematics Instruction

Kariman, Delsi; Harisman, Yulyanti; Sovia, Anny; Prahmana, Rully Charitas Indra – Journal on Mathematics Education, 2019

One of the research objectives was formulated to improve the quality of education, namely by understanding the problems of students and teachers. There were three main groups of quality characteristics of education highlighted in scientific and academic literature in Russia, namely the quality of educational objectives, the quality of the…

Descriptors: Program Effectiveness, Outcomes of Education, Problem Solving, Case Studies

Septia, Tika; Prahmana, Rully Charitas Indra; Pebrianto; Wahyu, Rahma – Journal on Mathematics Education, 2018

Geometry flat side material is crucial subject for students in senior high school. As the development of technology that increases very rapidly, it provides a chance to develop Media Interactive Learning (MPI) such as Course Lab MPI 2.4. This study was conducted to create a valid interactive multimedia teaching material, practical, and effective.…

Descriptors: Multimedia Materials, Educational Technology, Technology Uses in Education, Interaction

Saleh, Muhamad; Prahmana, Rully Charitas Indra; Isa, Muhammad; Murni – Journal on Mathematics Education, 2018

By taking the role as a mentor and a facilitator, a teacher in the 4th grade of elementary school needs to look at the condition of the students in the concrete thinking stage. Learning process needs to be adjusted such that the abstract objects in mathematics can be represented through concrete objects as a bridge to enter the knowledge that the…

Descriptors: Foreign Countries, Elementary School Students, Elementary School Mathematics, Grade 4

Muhtadi, Dedi; Sukirwan; Warsito; Prahmana, Rully Charitas Indra – Journal on Mathematics Education, 2017

Mathematics is a form of culture integrated in all aspects of society, wherever there are, including the sundanese ethnic communities. This enables the mathematical concepts embedded in cultural practices and recognizes that all people develop a special way of doing mathematics called ethnomathematics activities. Sundanese ethnomathematics is…

Descriptors: Mathematics, Mathematics Activities, Mathematics Instruction, Mathematical Concepts

Prahmana, Rully Charitas Indra; Suwasti, Petra – Indonesian Mathematical Society Journal on Mathematics Education, 2014

Several studies on learning mathematics for rural area's student indicate that students have difficulty in understanding the concept of division operation. Students are more likely to be introduced by the use of the formula without involving the concept itself and learning division separate the concrete situation of learning process. This…

Descriptors: Mathematics Instruction, Teaching Methods, Foreign Countries, Rural Schools

Prahmana, Rully Charitas Indra; Zulkardi; Hartono, Yusuf – Indonesian Mathematical Society Journal on Mathematics Education, 2012

Several previous researches showed that students had difficulty in understanding the basic concept of multiplication. Students are more likely to be introduced by using formula without involving the concept itself. This underlies the researcher to design a learning trajectory of learning multiplication using Permainan Tradisional Tepuk Bergambar…

Descriptors: Foreign Countries, Elementary School Mathematics, Elementary School Students, Grade 3