7th grade decimals and percentages
7th grade (Year 8 in England) · 16 questions · Common Core: 7.RP.A.3, 7.EE.B.3, 7.EE.A.2 · England: KS3 Number, GCSE Foundation Ratio
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Score/ 16
Question 1
Increase 300 by 25%.
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Question 2
A value changes from 120 to 126. What is the percentage increase?
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Question 3
Decrease 560 by 10%.
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Question 4
Hiro increases 180 by 10% and then decreases the answer by 10%. Hiro expects to get back to 180. What does Hiro actually get?
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Question 5
A sales tax of 8% is added to a $67 item. How much is the tax? (Type the number only.)
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Question 6
A bike costs $230. In a sale it is 20% off. What is the sale price? (Type the number only.)
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Question 7
A ruler measurement gave 31 cm for an object that is really 33 cm long. What is the percent error? Round to 1 decimal place.
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Question 8
On a $170 purchase, the tax was $13.60. What is the tax rate, as a percentage?
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Question 9
A pair of trainers costs $20. It is 25% off. What is the sale price? (Type the number only.)
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Question 10
$3700 is saved at 2.5% simple interest per year. How much interest is earned in 7 years? (Type the number only.)
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Question 11
An amount is multiplied by 2. What percentage change is that?
- A. Increase of 100%
- B. Increase of 2%
- C. Increase of 200%
- D. Decrease of 100%
Question 12
A runner's 5 km time changed from 80 minutes to 106 minutes. What is the percentage increase? Round to 1 decimal place.
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Question 13
A shop takes 50% off a $130 bike, then an extra 25% off the sale price. What is the total percentage discount? (It is not 75%.)
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Question 14
A video had 4300 views. Views went up by 6% the next day. How many views did it have then?
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Question 15
Sam sells solar panels and earns 3% commission on sales. This month Sam sold $1300 worth. How much commission is that? (Type the number only.)
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Question 16
Increase 240 by 30%.
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