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Lestari, Umi Puji; Putri, Ratu Ilma Indra; Hartono, Yusuf – Indonesian Mathematical Society Journal on Mathematics Education, 2015
This study aims to investigate how set model can help students' understanding of addition of integers in fourth grade. The study has been carried out to 23 students and a teacher of IVC SD Iba Palembang in January 2015. This study is a design research that also promotes PMRI as the underlying design context and activity. Results showed that the…
Descriptors: Foreign Countries, Elementary School Mathematics, Grade 4, Mathematical Concepts
Jaelani, Anton; Putri, Ratu Ilma Indra; Hartono, Yusuf – Indonesian Mathematical Society Journal on Mathematics Education, 2013
Understanding of measuring time has difficulty for children because it is intangible. Standard units often used directly by teacher for learning time measurement. Many researches involved games in designing learning material to facilitate fun and meaningful learning for children. For this reason, learning of time measurement that connects with…
Descriptors: Time, Educational Games, Elementary School Students, Grade 3
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
Helsa, Yullys; Hartono, Yusuf – Indonesian Mathematical Society Journal on Mathematics Education, 2011
The innovation of education is an important point of Pendidikan Matematika Realistik Indonesia (PMRI), one of them through traditional dance as a context of national cultural. Dance that collaborated with concept of mathematics, it is called Math Traditional Dance. This research aims to produce learning line (specific) the material of reflection…
Descriptors: Foreign Countries, Teaching Methods, Grade 4, Elementary School Students