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MathematicsYear 7en

📊 Percentages of Amounts: Increase and Decrease

This quiz covers calculating percentage increases and decreases from starting amounts, a key skill in real-world contexts like discounts and price rises. **What you'll learn:** - Calculate a percentage of an amount using multiplication - Find the new amount after a percentage increase - Find the new amount after a percentage decrease - Apply percentage changes to real-life scenarios - Solve multi-step percentage problems

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Questions in this quiz

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  1. Question 1

    What is 20%20\% of £80£80?

  2. Question 2

    A shirt originally costs £50£50. It is increased in price by 10%10\%. What is the new price?

  3. Question 3

    30%30\% of 200200 is ___.

  4. Question 4

    When a price increases by 25%25\%, the new price is always 1.251.25 times the original price.

  5. Question 5

    A pair of trainers costs £120£120 and is reduced by 15%15\% in a sale. What is the sale price?

  6. Question 6

    A mobile phone is priced at £200£200. Its price decreases by 20%20\%. What is the new price?

  7. Question 7

    A book costs £12£12 and its price is increased by 50%50\%. The new price is £___.

  8. Question 8

    A restaurant bill is £80£80. A service charge of 12.5%12.5\% is added. What is the total bill including the service charge?

  9. Question 9

    A house's value increases from £200 000£200\,000 by 5%5\%. What is its new value?

  10. Question 10

    A shop reduces all prices by 30%30\%. An item originally marked at £75£75 is now sold at a discounted price. What is the final selling price?