Mathematics GCSE
Reverse percentage problems
What Reverse percentage problems means in Mathematics GCSE, as defined for AQA.
Definition of Reverse percentage problems
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Read the wording for your board, then hide it and explain Reverse percentage problems in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
If a value has been increased by 20%, the original is recovered by dividing by 1.2, because 1.2 is the multiplier for a 20% increase.
Topics that use Reverse percentage problems
- Fractions, decimals and percentages (AQA GCSE)
Related terms
- Choosing an efficient method
- Decimal multipliers for increase and decrease
- Equivalent fractions and ratio notation
- Fractions and percentages as multiplicative operators
- Recurring decimal
- repeating block
- Checking reasonableness of shares
- Part-to-part and part-to-whole comparison
Using Reverse percentage problems in the exam
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