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Download full textWinarti, Destina Wahyu; Amin, Siti Maghfirotun; Lukito, Agung; Van Gallen, Frans – Indonesian Mathematical Society Journal on Mathematics Education, 2012
Learning the concept of perimeter and area is not easy for students in grade 3 of primary school. A common mistake is that students think that if the area is the same, the perimeter also has to be the same. It is difficult for them to understand that for a given area, there are many possibilities of perimeter and vice versa. When student are not…
Descriptors: Foreign Countries, Elementary School Mathematics, Elementary School Students, Grade 3
