Unknown, placeholder, or variable: What is x?

Journal article

Rob Ely and Anne E Adams

Mathematics Education Research Journal, Vol.24, pp.19-38

2012

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Title: Unknown, placeholder, or variable: What is x?
Creators: Rob Ely
Anne E Adams
Publication Details: Mathematics Education Research Journal, Vol.24, pp.19-38
Identifiers: 996631066001851
Academic Unit: Mathematics and Statistical Science
Language: English
Resource Type: Journal article