The development of primary students' knowledge of the structured number line
Diezmann, Carmel M. & Lowrie, Tom (2007) The development of primary students' knowledge of the structured number line. In Woo, J. H., Lew, H. C., & Seo, D. Y. (Eds.) 31st Conference of the International Group for the Psychology of Mathematics Education, 8-13 July, 2007, Seoul.
This paper investigates how primary students’ knowledge of the structured number line develops over time. Effective number line use is impacted by an understanding of this graphic as a representation that encodes information by the placement of marks on an axis and an appreciation that these marks are representations of length rather than labelled points. Generally, the results revealed development of number line knowledge over time. However, although correlations between number line items were positive, they were only moderate or low. Additionally, there was low shared variance between items even though students solved the same items in three consecutive years. Noteworthy were the statistically significant gender differences in favour of boys over the 3- year-period − findings that warrants further investigation.
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|Item Type:||Conference Paper|
|Keywords:||Mathematics, number line, gender, graphics test, primary|
|Divisions:||Current > QUT Faculties and Divisions > Faculty of Education|
|Copyright Owner:||Copyright 2007 (please consult author)|
|Deposited On:||14 Mar 2008|
|Last Modified:||29 Feb 2012 23:34|
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