Bar Chart Investigation

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• Bar Chart Investigation

The number of medals Team GB have won in past
Olympics
By Chris Clements
3to11maths
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ltdategt
LO To construct bar charts showing Team GBs
medal successes in past Olympics and use this
information to make predictions for London 2012.
www.3to11maths.com
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This table shows the number of medals Team GB
have won in the past 6 Olympic Games.
Year Gold Medals Silver Medals Bronze Medals Total Medals
1984 5 11 21 37
1988 5 10 9 24
1992 5 3 12 20
1996 1 8 6 15
2000 11 10 7 28
2004 9 9 12 30
2008 19 13 15 47
The table shows the number of bronze, silver,
gold and total numbers of medals
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In this lesson you will construct bar charts to
help you make predictions for the numbers of
medals Team GB will win in London 2012
Using the data in each table construct Bar Charts
for each medal category. Write a sentence after
each to explain what the bar chart is telling you.
Are the number of medals increasing?
Do you think Team GB will win more bronze or
gold medals?
Why have you made this decision?
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Extension Investigation
Here is table showing the number of competitors
representing GB at six different Olympic games.
Year Competitors Male Female
1912 274 264 10
1920 235 219 16
1976 284 210 74
1988 345 219 126
2000 310 181 129
2008 311 168 143
The table also shows how many of the
competitors were male and female. Can your draw
a composite bar chart showing in this data? Write
statements to explain what you have found out.
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How did you get on?
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Number of bronze medals Team GB have won in the
past 8 Olympic Games
























22
20
18
16
14
12
Number of medals
10
8
6
4
2
1980
1988
2000
2004
2008
1984
1992
1996
8
























22
Number of silver medals Team GB have won in the
past 8 Olympic Games
20
18
16
14
Number of medals
12
10
8
6
4
2
1980
2000
2004
2008
1988
1984
1992
1996
Year
9
Number of Gold medals Team GB have won in the
past 8 Olympic Games
22
























20
18
16
14
Number of medals
12
10
8
6
4
2
Year
1980
2000
2004
2008
1988
1984
1992
1996
10
50


















































Number of medals Team GB have won in the past 8
Olympic Games
45
40
35
30
25
Number of medals
20
15
10
5
Year
1988
2000
2004
2008
1992
1996
1984
1980
11


















































450
400
350
300
Number of male and female competitors
representing Team GB at past Olympics.
250
Number of medals
200
150
Year Competitors Male Female
1912 274 264 10
1920 235 219 16
1976 284 210 74
1988 345 219 126
2000 310 181 129
2008 311 168 143
100
50
1976
1988
2000
1920
1912
2008
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What are your predictions?
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Year Gold Medals Silver Medals Bronze Medals Total Medals
1984 5 11 21 37
1988 5 10 9 24
1992 5 3 12 20
1996 1 8 6 15
2000 11 10 7 28
2004 9 9 12 30
2008 19 13 15 47
2012
Reasons for predictions