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Rohaeti, Euis Eti; Evans, Brian R.; Wiyatno, Toyo; Prahmana, Rully Charitas Indra; Hidayat, Wahyu – Journal on Mathematics Education, 2023

Equations are often used in mathematics and other subjects, which means that a media can teach students how to solve equations, particularly linear equations of two variables, or "Sistem Persamaan Linear Dua Variabel" (SPLDV) as it is called in Indonesian, is needed. However, most teachers are still focused on developing the learning…

Descriptors: Mathematics Education, Mathematics Skills, Equations (Mathematics), Mathematics Instruction

Laksmiwati, Pasttita Ayu; Hidayah, Miftahul; Schmidthaler, Eva; Prahmana, Rully Charitas Indra; Sabitzer, Barbara; Lavicza, Zsolt – Journal on Mathematics Education, 2023

Nowadays, digital technologies are crucial in supporting students in geometry in secondary mathematics classrooms. However, in some cases, the role of visual function in technology was only utilized for seeing and conjecturing, not for experimenting, while to develop a relational understanding of geometry concepts, students should actively…

Descriptors: Student Diversity, Geometry, Mathematics Instruction, Teaching Methods

Sagita, Laela; Putri, Ratu Ilma Indra; Zulkardi; Prahmana, Rully Charitas Indra – Journal on Mathematics Education, 2022

Financial literacy is a knowledge and attitude about finance and is a 21st-century skill. As a knowledge, a cognitive factor of a person will impact their financial literacy skill. Through a bibliometric analysis study of 274 documents published from 1994 to 2022 in the Scopus database, we found that mathematics literacy is the cognitive factor of…

Descriptors: Numeracy, Financial Literacy, Active Learning, Student Projects

Yunianto, Wahid; Prahmana, Rully Charitas Indra; Crisan, Cosette – Journal on Mathematics Education, 2021

Measuring teachers' skills and competencies is necessary to ensure teacher quality and contribute to education quality. Research has shown teachers competencies and skills influence students' performances. Previous studies explored teachers' knowledge through testing. Teachers' knowledge of the topic of area-perimeter and teaching strategies has…

Descriptors: Mathematics Teachers, Knowledge Level, Pedagogical Content Knowledge, Geometric Concepts

Prahmana, Rully Charitas Indra; Yunianto, Wahid; Rosa, Milton; Orey, Daniel Clark – Journal on Mathematics Education, 2021

Mathematics exists as rooted in human ideas, ways, and techniques to respond to their environments. Along with its development, mathematics has been taught through formal education or schooling in the flat- not flexible ways and far from students' social and cultural lives. Indonesia is rich with culture, including the Special Region of Yogyakarta…

Descriptors: Mathematics Instruction, Teaching Methods, Learning Processes, Cultural Education

Prahmana, Rully Charitas Indra; D'Ambrosio, Ubiratan – Journal on Mathematics Education, 2020

In general, many people still view mathematics as a subject that is far from reality and culture in everyday life. Historically, in fact, mathematics is very close to daily life and was developed by humans in response to the surrounding phenomena. Indonesia has diverse cultures, including in Yogyakarta. This culture can be used to explore…

Descriptors: Foreign Countries, Mathematics Instruction, Geometry, Relevance (Education)

Risdiyanti, Irma; Prahmana, Rully Charitas Indra – Journal on Mathematics Education, 2020

In recent years, several researchers have tried to use stories and games as a starting point for learning mathematics. This is allegedly able to increase students' mathematical abilities and make learning mathematics more enjoyable. Therefore, this research is aimed to design a mathematics learning trajectory in pattern number using…

Descriptors: Mathematics Instruction, Teaching Methods, Instructional Design, Learning Processes

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