Converting Fractions To Percentages, Converting Decimals To Percentages, Plotting Numbers On A Number Line Worksheet Page 15
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PERCENTAGE (Chapter 14)
REVIEW SET 14A
1 In the following pattern there are 100 tiles.
a Write the number of coloured tiles as a
fraction of 100.
b Write the number of coloured tiles as a
percentage of the total number of tiles.
2 Find the percentage of the numbers from 1 to 100 inclusive, which are exactly
divisible by 12.
3 What percentage of the diagram is unshaded?
3
4
a Write
as a percentage.
4
b Write 66% as a fraction in lowest terms.
c Convert 0:125 into a percentage.
d Write 82% as a decimal.
7
with a denominator of 100:
5
a Write
25
1
b Change
to a percentage.
3
c Convert 2:15 into a percentage.
6 In a group of 40 children, 14 are allergic to peanuts. What percentage of the group
are not allergic to peanuts?
7 Write as a decimal:
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a 81%
b 10:8%
c 8
%
2
3
, 0:78 and 72% as percentages and then plot them on a number line.
8 Write
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9 Write the number line positions indicated as
a
b
c
fractions with denominator 100, as decimals,
and using % notation:
0%
20%
40%
60%
80%
100%
10 Construct a square with 5 cm sides. Divide it into 1 cm squares.
a How many squares must you shade in order to leave 20% unshaded?
b In lowest terms, what fraction of the original square is then unshaded?
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