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Siu Cheung Kong, Lam-for Kwok. A cognitive tool for teaching the addition/subtraction of common fractions: a model of affordances. Computers & Education, 45(2):245-265, 2005. [doi]
Possibly Related PublicationsThe following publications are possibly variants of this publication: A cognitive tool in handheld devices for collaborative learning: comprehending procedural knowledge of the addition of common fractionsSiu Cheung Kong, Sau Yin Lam, Lam-for Kwok. cscl 2005: 341-345 [doi] A graphical partitioning model for learning common fraction: designing affordances on a web-supported learning environmentSiu Cheung Kong, Lam-for Kwok. ce, 40(2):137-155, 2003. [doi]
The following publications are possibly variants of this publication: