Sharing the Cost of a Taxi Ride

Carly Sawatzki, Ann Downton, Jill Cheeseman

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    Abstract

    We aimed to explore the extent to which a challenging yet accessible real world financial context where two people stand to gain from sharing a taxi ride might stimulate students’ mathematical exploration and discovery related to multiplicative thinking and proportional reasoning. Data were collected from 37 Year 5 and 6 students (10-12 years of age) in a Catholic primary school in suburban Melbourne. The findings reveal that the majority of students had some intuitive understanding of how to solve a financial problem that involved rates, and at least half of them used either proportional reasoning or multiplicative thinking. We argue that, given the right problem context, upper primary school students can be encouraged to engage in proportional reasoning earlier than the Australian Curriculum requires.
    Original languageEnglish
    Title of host publicationMaking Waves, Opening Spaces
    Subtitle of host publicationProceedings of the 41st Annual Conference of the Mathematics Education Research Group of Australasia
    EditorsJodie Hunter, Lisa Darragh, Pam Perger
    Place of PublicationAdelaide SA Australia
    PublisherMathematics Education Research Group of Australasia
    Pages55-58
    Number of pages4
    ISBN (Print)9781920846282
    Publication statusPublished - 2018
    EventAnnual conference of the Mathematics Education Research Group of Australasia 2018 - Massey University, Albany Auckland, New Zealand
    Duration: 1 Jul 20185 Jul 2018
    Conference number: 41st
    http://www.eenz.com/merga41/
    https://merga.net.au/Public/Publications/Annual_Conference_Proceedings/2018-MERGA-CP.aspx (Proceedings)

    Conference

    ConferenceAnnual conference of the Mathematics Education Research Group of Australasia 2018
    Abbreviated titleMERGA 2018
    Country/TerritoryNew Zealand
    CityAlbany Auckland
    Period1/07/185/07/18
    Internet address

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