Fractions/Decimals/Percentages

Ellen Billingham
Quiz by , created about 6 years ago

GCSE Maths (Year 7) Quiz on Fractions/Decimals/Percentages, created by Ellen Billingham on 05/05/2013.

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Ellen Billingham
Created by Ellen Billingham about 6 years ago
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Question 1

Question
How do you change a fraction into a decimal?
Answer
  • Do the top of the fraction divided by the bottom
  • Divide the bottom of the fraction by the top
  • Do (the bottom of the fraction) (decimal point) (top of the fraction)

Question 2

Question
How do you change a fraction to a percentage?
Answer
  • You add together the numbers on the top and bottom of the fraction then put a percent sign next to it.
  • You change it into a decimal then times by 10
  • You change it into a decimal then times by 100

Question 3

Question
How do you change a decimal to a fraction?
Answer
  • You take the numbers after the decimal point, and put them over a 1.
  • The same as the option above, but if there are 2 decimal places, then you put two zeros after the one, or if there's only one decimal place then you only put one zero after the one and so on.
  • You just put the decimal over 100 and then cancel

Question 4

Question
How do you change a decimal to a percentage?
Answer
  • You times it by 100
  • You times it by 10
  • You divide it by 100

Question 5

Question
How do you change a percentage to a fraction?
Answer
  • You divide it by 4 and then put the answer over 4
  • You put the percentage over 100 and then cancel.
  • You put it over 5 and cancel

Question 6

Question
How do you change a percentage into a decimal?
Answer
  • You divide by 10
  • You times by 10
  • You divide by 100

Question 7

Question
What is 0.3 as a percentage?
Answer
  • 3%
  • 30%
  • 0.3%

Question 8

Question
What is 3/8 as a decimal?
Answer
  • 0.125
  • 0.38
  • 0.375

Question 9

Question
What is 0.47 as a fraction?
Answer
  • 47/100
  • 47/1
  • 47/10

Question 10

Question
What is 28% as a fraction?
Answer
  • 28/10 = 14/5
  • 28/100 = 14/50
  • 28/1000 = 14/500

Question 11

Question
What is 7/8 as a percentage?
Answer
  • 0.875%
  • 8.75%
  • 87.5%

Question 12

Question
What is 98% as a decimal?
Answer
  • 9.8
  • 0.98
  • 0.098