Looks at switching between different bases and the effect of base on arithmetic and divisibility tests.Plus an excel 'base switch&' calculator. A good enrichment task with a historical/real-life aspect, though probably best for more able pupils.


  • change of base calculator.xlsx
  • base arithmetic.pptx

About this resource


Created: Oct 6, 2014

Updated: Oct 9, 2014


xlsx, 14 KB

change of base calculator


pptx, 526 KB

base arithmetic

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This resource is designed for UK teachers. View US version .