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Longer bars for bigger numbers? children's usage and understanding of graphical representations of algebraic problems

In Singapore, primary school students are taught to use bar diagrams to represent known and unknown values in algebraic word problems. However, little is known about students' understanding of these graphical representations. We investigated whether students use and think of the bar diagrams in...

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Библиографические подробности
Главные авторы:	Kerry Lee (Автор), Kiat Hui Khng (Автор), Swee Fong Ng (Автор), Jeremy Lan Kong Ng (Автор)
Формат:	‌
Опубликовано:	EARLI, 2013-08-01T00:00:00Z.
Предметы:	article
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