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Mahmud, Zamalia; Porter, Anne – Indonesian Mathematical Society Journal on Mathematics Education, 2015
Students' understanding of probability concepts have been investigated from various different perspectives. This study was set out to investigate perceived understanding of probability concepts of forty-four students from the STAT131 Understanding Uncertainty and Variation course at the University of Wollongong, NSW. Rasch measurement which is…
Descriptors: Probability, Concept Teaching, Item Response Theory, Computer Assisted Testing
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Winarti, 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