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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The Original Price Mystery

Introduction 2

Key Facts: Reverse Percentages

Key Facts 3

Understanding Reverse Percentages

Deep Dive 4

Worked Examples

Diagram 5

Exam Tips: Reverse Percentages

Exam Tips

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

Sample Questions

A price after a 20% increase is £120. Which calculation finds the ORIGINAL price?

A. £120 × 1.20
B. £120 ÷ 1.20
C. £120 × 0.80
D. £120 - 20

1 markfoundation

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?

2 marksstandard

exam-style questions

revision flashcards

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