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Grades 6, 7 and 8 - Math - Middle School - Numbers - Percentages - Increases and Decreases
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Avg score: 3% • Most missed: “To find the result of increasing a number by 13% you multiply it by .......”

When calculating increases or decreases of percentages, always divide by the original amount. 
 

Grades 6, 7 and 8 - Math - Middle School - Numbers - Percentages - Increases and Decreases
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20 Questions

1. A burger now costs £3.75 after a 3% reduction in price. What was the original price of the burger?
2. To find the result of increasing a number by 13% you multiply it by .......
3. Barbara bought a box of 35 pens for £40.25. She sold all the pens for £1.70 each. What was her percentage profit?
4. Michelle bought a caravan for £13,500 and sold it two years later for £11,200. What is the percentage loss?
5. Thomas earns £22,500 per year. He receives a pay rise of 4.4%. How much does he now earn?
6. What percentage of 68 is 10.2?
7. A train's top speed is 140 mph. After a service, its top speed increases by 12%. What is the new top speed?
8. What percentage is 8.5 of 68?
9. Harold owns a 14% stake in a company worth £250,000. How much is Harold's stake worth?
10. Bob, the local car dealer, is reducing all his cars by 15%. Find the reduced price of a Nissan which originally cost £690.
11. To find the result of increasing a number by 66% you multiply it by .......
12. A beehive increases by 7% a day. Initially there are 1,250 bees. How many will there be after a week?
13. The local soccer team are playing badly and the number of season tickets sold reduces by 17% from last year. If 3,700 tickets were sold last year, how many were sold this year?
14. The Green family bought a house five years ago for £97,000. They sell it for £185,000. What is their percentage profit (to the nearest 1%)?
15. Due to severe weather, a polar bear colony goes from 328 bears to 246. What percentage decrease is this?
16. In a sale, all the prices are reduced by 20%. Find the sale price of a washing machine which originally cost £299.
17. The price of a concert ticket is £33 after a 7% increase. What is the original price of the ticket?
18. Pete's hourly wage goes up from £7.20 to £7.56. What percentage increase is this?
19. Simon bought his computer for £230. A year later he sold it for 20% less than he paid for it. How much was it sold for?
20. To find the result of decreasing a number by 7% you multiply it by .......

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