Converting Fractions To Percentages, Converting Decimals To Percentages, Plotting Numbers On A Number Line Worksheet Page 12
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16270
PERCENTAGE (Chapter 14)
F
PLOTTING NUMBERS
ON A NUMBER LINE
Plotting numbers on a number line can be difficult, especially when the numbers are given
as a mixture of fractions, decimals, and percentages. However, we can make the comparison
easier by converting all fractions and decimals to percentages.
Self Tutor
Example 9
1
, 0:42, and 33% to percentages and plot them on a number line.
Convert
4
1
²
£ 100% = 25%
4
² 0:42 £ 100% = 42%
² 33% is already a percentage
We use the percentages to arrange the numbers in order from lowest to highest.
Q r _
33%
0.42
0%
10
20
30
40
50
60
70
80
90
100%
EXERCISE 14F
1
Convert each set of numbers to percentages and plot them on a number line:
3
9
17
, 70%, 0:65
55%,
, 0:83
0:93, 79%,
a
b
c
5
20
20
3
27
18
0:85,
, 92%
, 67%, 0:59
47%, 0:74,
d
e
f
4
50
30
3
7
2
5
13
, 0:65, 42%
0:39, 58%,
, 73%,
, 0:47
g
h
,
i
4
20
5
8
20
Write each of the following number line positions as fractions with denominator 100, as
2
decimals, and also as percentages:
a
25%
0%
20
40
60
80
100%
Aha! 25% is
1
bigger than
.
2
b
0%
20
40
60
80
100%
c
0%
20
40
60
80
100%
3
Comment on the cartoon opposite.
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