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Duke, Roger; Graham, Alan; Johnston-Wilder, Sue – Mathematics Teaching Incorporating Micromath, 2007
This article describes a recent and successful initiative on teaching place value and the decomposition method of subtraction to pupils having difficulty with this technique in the 9-12-year age range. The aim of the research was to explore whether using the metaphor of selling chews (i.e., sweets) in a tuck shop and developing this into an iconic…
Descriptors: Teaching Methods, Figurative Language, Subtraction, Number Concepts

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