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Len Sparrow
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Learning math with calculators
Len Sparrow, Paul Swan · Math Solutions Publications
88 sayfa · 2001
Calculators / Mathematics / Study and teaching (Middle school) / Study and teaching (Elementary)
Beyond written computation
Alistair McIntosh, Len Sparrow · MASTEC, Edith Cowan University
190 sayfa · 2004
Mathematics / Handbooks, manuals / Study and teaching (Elementary) / Arithmetic