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Download full textWindria, Hening; Zulkardi, Zulkardi; Hartono, Yusuf – Elementary School Forum (Mimbar Sekolah Dasar), 2020
Mixed numbers and fraction in general have been a problem for students not only in understanding the concept of itself, but also in understanding the operation of it, such as addition. Thus, supporting students in learning addition of mixed numbers is needed. The aim of this study is to develop a local instructional theory and materials related to…
Descriptors: Educational Research, Grade 4, Elementary School Students, Addition
Pramudiani, Puri; Zulkardi; Hartono, Yusuf; van Amerom, Barbara – Indonesian Mathematical Society Journal on Mathematics Education, 2011
Learning about decimals is an important part in mathematics. However at the same time, decimals are known as the abstract numbers for students. Mostly in Indonesia, decimal is taught only as another notation for fractions or percentages. There are no meaningful references for them such as the use of concrete situations. This study aimed at…
Descriptors: Foreign Countries, Arithmetic, Mathematics Instruction, Teaching Methods
