Reverse percentages (AQA GCSE Maths): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What do reverse percentages allow you to find?
What do reverse percentages allow you to find?
The original amount before a change
What is the multiplier for a 15% decrease?
What is the multiplier for a 15% decrease?
What is the multiplier for an 8% increase?
What is the multiplier for an 8% increase?
Which formula finds the original amount?
Which formula finds the original amount?
Final amount Multiplier
A shirt reduced by 25% now costs £36. What was the original price?
A shirt reduced by 25% now costs £36. What was the original price?
£48
A population increased by 10% to 2,200. What was the original population?
A population increased by 10% to 2,200. What was the original population?
2,000
Why does dividing by the multiplier find the original amount?
Why does dividing by the multiplier find the original amount?
It reverses the multiplication process
How should you check your answer in reverse percentage questions?
How should you check your answer in reverse percentage questions?
Work forwards using the multiplier
In comparison problems, what must you do before comparing?
In comparison problems, what must you do before comparing?
Calculate each original separately
What is essential to include in your exam answer?
What is essential to include in your exam answer?
Working, answer clearly with units