Percentage increase
- Find the percentage amount.
- Add it to the original.
- Check the new amount is bigger.
Answer: Increase 50 by 20% gives 60
🔢 Number
Percentage increase
Learn percentage increase with a GCSE-style explanation, help guide, worked example, practice question and flashcards.
Global XP
Level 10 / 100 XP
1. Explanation
Key idea
- Percentage increase is part of percentages and appears often in KS3–GCSE maths.
- Percentage increase means add the percentage amount to the original.
- Use the worked model, help guide, interactive question and flashcards to practise percentage increase until the steps feel automatic.
Real-life examples
- Shopping, sport, travel, science, design and everyday decisions all use this skill.
2. Visual
Percentage increase learning map
Understand the key idea → follow the help guide → practise a question → check your method → build speed with flashcards.
3. Help guide
How to tackle Percentage increase
- Learn the rule: Percentage increase means add the percentage amount to the original.
- Worked model: Find the percentage amount. Add it to the original. Check the new amount is bigger.
- Try the interactive question without looking at the answer first.
- Use the flashcards to test the rule, the method and a common check.
4. Worked examples
Step-by-step working
5. Interactive questions
Try it yourself
Increase £80 by 15%.
6. Flashcards
Master quick recall
Flip each card, then choose whether you know it or need more practice.
0 mastered
FrontRule for Percentage increase
BackPercentage increase means add the percentage amount to the original.
FrontExample answer: Increase £80 by 15%.
Back10% of 80 is 8 and 5% is 4, so 15% is 12. £80 + £12 = £92.
FrontCommon check for Percentage increase
BackCheck units/notation, compare with an estimate, and make sure the answer matches the question.
7. Finish
Complete this topic
When you have read the examples, tried the question and reviewed flashcards, claim your topic completion XP.