4/13/25, 8:14 PM
Percentage Increase & Decrease | Quizizz
Worksheets
Name
Year 8 worksheet
Class
Total questions:
18 10 (10.1 Percentage Increase and
Unit
Worksheet time: 2hrs 1mins
Decrease)
Date
Instructor name: maria mariyam
Percentage Increase & Decrease
1. 12% of $90
a) $102
b) $12
c) $10.80
d) $78
2. Increase $90 by 12%
a) $10.80
b) $102
c) $90.12
d) $100.80
3. Kate scored 54 out of 60 in her maths exam. What is this as a percent?
a) 60%
b) 90%
c) 54%
d) 0.9
4. A book is advertised as 20% off. If it cost $70 at the register, how much was it originally?
a) $90
b) $50
c) $84
d) $87.50
5. My dog's weight is now 125% of what she weighted one year ago. If her weight then was 30kg,
what is her weight now?
a) 30.125
b) 37.5
c) 37.125
d) 31.25
6. Decrease 500 by 30%
a) 470
b) 499.70
c) 150
d) 350
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Percentage Increase & Decrease | Quizizz
7. The average number of shirts sold in the shop was 285 every day in summer. As the temperature
was lower and lower, the average number of shirts decreased to 114 every day. What was the
percentage decrease of in the average number of shirts sold in the shop?
a) 40%
b) 60%
c) 171%
d) 150%
8. The usual price of a TV set was $500. During the Christmas holiday, the price of a TV set marked
down to $413. What was the percentage decrease in the price of a TV set?
a) 87%
b) 25%
c) 17.4%
d) 82.6%
9. Darren makes $10 per hour. Next semester, he will be making $14 per hour. What rate of increase
does this represent?
a) 71%
b) 28.5%
c) 60%
d) 40%
10. The number of people signed up for a bus trip increased from 32 to 45. What is the percent
increase? Round to the nearest percent.
a) 42%
b) 41%
c) 45%
d) 52%
11. Find the percent increase. Round to the nearest percent.
From $5 to $8
a) 65%
b) 55%
c) 40%
d) 60%
12. The number of people signed up for a bus trip increased from 32 to 45. What is the percent
increase? Round to the nearest percent.
a) 41%
b) 45%
c) 52%
d) 42%
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Percentage Increase & Decrease | Quizizz
13. A grocery store has a 20% markup on bottle of soda. The bottle of soda costs the store $1.25.
Find the selling price. Round to nearest cent if necessary.
a) $.25
b) $1.5
c) $1.45
d) $1.50
14. Find the percentage profit: CP = $50, SP = $60
a) 20%
b) 10%
c) 110%
d) 16.7%
15. Calculate the percentage profit if an item is bought for $42 and sold for $52.50
a) 25%
b) 22%
c) 80%
d) 20%
16. If an object is bought for $90 and then sold for a loss of 15%. How much was it sold for?
a) $103.50
b) $76.50
c) $80
d) 75
17. What percent of 25 is 60?
a) 2.4
b) 24%
c) 100%
d) 240%
18. After a 25% discount, a shirt sells for $39. Find the cost price.
a) $50
b) $48.75
c) $52
d) $50.70
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