This exam tips covers Exam Tips: Percentage Increase within Percentage Increase for GCSE Mathematics. Revise Percentage Increase in Ratio & Proportion for GCSE Mathematics with 12 exam-style questions and 22 flashcards. This topic appears less often, but it can still be a useful differentiator on mixed-topic papers. It is section 5 of 6 in this topic. Treat this as a marking guide for what examiners are looking for, not just a fact list.
💡 Exam Tips: Percentage Increase
- Always add 1 to the percentage (as decimal) to get the multiplier
- Check your multiplier - it should always be greater than 1 for increases
- Show your working - write out the multiplier calculation
- Round sensibly - money to nearest penny, people to whole numbers
- Check your answer - new amount should be bigger than original
- Look for key words: "increase", "rise", "growth", "more than"
- Watch units - keep them consistent throughout
Practice questions for Percentage Increase
What multiplier is used to increase a value by 15%?
Ahmed says: 'To increase a price by 30%, I first find 30% of the price and then add it on. This always takes two steps.' Explain how Ahmed could use the multiplier method to find the answer in ONE step.
Quick recall flashcards
What is a percentage increase?
Finding a new amount after adding a percentage to the original amount
What is the multiplier for a 10% increase?
1.10 (because 1 + 0.10 = 1.10)