Grade five, CIE IGCSE Maths

Revision Notes

How do you tackle “Best Buy” problems?

You may need a range of skills…

  1. DECIDE on a suitable comparison – eg total cost, cost/year, cost/m2 etc)
  2. Be consistent with UNITS – convert if necessary
  3. Do the CALCULATIONS – showing working carefully
  4. Make sure you answer the QUESTION, with reasons


Best Buy Example, IGCSE & GCSE Maths revision notes


Edexcel GCSE Maths Notes

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