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

• Үндсэн зохиолчид: Kerry Lee (Зохиогч), Kiat Hui Khng (Зохиогч), Swee Fong Ng (Зохиогч), Jeremy Lan Kong Ng (Зохиогч)
• Формат: Ном
• Хэвлэсэн: EARLI, 2013-08-01T00:00:00Z.
• Нөхцлүүд: article
• Онлайн хандалт: Connect to this object online.

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...