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Percentage Changes Links
www.ex.ac.uk/trol/scol/
This site has a special calculator that works out percentage change. There are some accompanying notes. Many other interesting resources are also available here. www.ex.ac.uk/cimt/mep/index.htm
School curriculum materials. www.anglia.co.uk/education/mathsnet/
Interactive activities involving fractions and percentages, and many other mathematical materials for secondary students. From Granada Learning.
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