Percentage change 2 (AQA GCSE Maths): Quizzes

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Percentage change 2
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How do you calculate 10%10\% of an amount mentally?

Divide by 1010

How do you calculate 1%1\% of an amount mentally?

Divide by 100100

For a percentage increase, what do you do after calculating the percentage?

Add it to the original amount

For a percentage decrease, what do you do after calculating the percentage?

Subtract it from the original amount

What is 12.5%12.5\% of £600£600 using mental calculation?

£75£75

Which of these is an example of a percentage increase?

VAT added to prices

Which of these is an example of a percentage decrease?

Sales discounts

How do you find 0.5%0.5\% of an amount mentally?

Divide 1%1\% by 22

What is 20%20\% of £440£440?

£88£88

How can you check if a percentage decrease calculation is correct?

Final amount should be smaller

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