The development of primary students' knowledge of the structured number line

Carmel Diezmann, Tom Lowrie

Research output: Book chapter/Published conference paperConference paper

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Abstract

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.
Original languageEnglish
Title of host publicationPME31
Place of PublicationSeoul, Korea
PublisherPME
Pages201-208
Number of pages8
Volume2
Publication statusPublished - 2007
EventAnnual Conference of the International Group for the Psychology of Mathematics Education (PME) - Seoul, Korea, Korea, Republic of
Duration: 08 Jul 200713 Jul 2007

Conference

ConferenceAnnual Conference of the International Group for the Psychology of Mathematics Education (PME)
CountryKorea, Republic of
Period08/07/0713/07/07

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