Ratio & ProportionMedium Exam FrequencyAQAEdexcelOCRWJEC
Reverse Percentages
Revise Reverse Percentages in Ratio & Proportion for GCSE Mathematics with 12 exam-style questions and 22 flashcards. This topic appears regularly enough that it should be part of a solid GCSE revision cycle.
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Sample Flashcards
Give three examples of when you'd use reverse percentages
Finding original prices before sales, pre-tax amounts, original values before depreciation
What is a reverse percentage?
Finding the original amount before a percentage change was applied
Exam questions for Reverse Percentages
A price after a 20% increase is £120. Which calculation finds the ORIGINAL price?
A TV costs £360 after a 10% increase. A student says: 'The original price was £360 - 10% = £360 - £36 = £324.' Explain the error in the student's method. What is the correct original price?
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12
exam-style questions
22
revision flashcards
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