Key Facts: Reverse Percentages
Part of Reverse Percentages · GCSE GCSE Mathematics revision
This key facts covers Key Facts: Reverse Percentages within Reverse Percentages for GCSE Mathematics. 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 still be part of a steady revision cycle. It is section 2 of 6 in this topic. Use this key facts to connect the idea to the wider topic before moving on to questions and flashcards.
Topic position
Section 2 of 6
Practice
12 questions
Recall
22 flashcards
🔑 Key Facts: Reverse Percentages
- Reverse percentage = finding the original amount before a percentage change
- Key insight = the final amount represents a percentage of the original
- Method = divide the final amount by the multiplier
- Formula = Original amount = Final amount ÷ Multiplier
- Common scenarios: sale prices, after-tax amounts, final values after growth/decline
Keep building this topic
Read this section alongside the surrounding pages in Reverse Percentages. That gives you the full topic sequence instead of a single isolated revision point.
Practice 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?
Quick Recall Flashcards
12 questions on Reverse Percentages — practise free
Instant marking, adaptive difficulty, and 22 spaced repetition flashcards. Free until your GCSEs.
Try PrepWise Free