MAANVI SUREKA describing what an electionElections.ppt

We have seen 3 different ways in which elections work

2. Starter
•In the front of your book, put a title
‘Elections’
•Write a couple of sentences describing
what an election is. Give several
examples…

3. Elections
•Elections are the way in which people decide who receives
responsibility
•They are used to decide global leaders
•They are also used locally for town mayors and politicians
etc
•They are even used in school to decide on Head Boy and Girl,
as well as Year Reps
•Various countries have different ways of deciding who ‘wins’
an election…

4. Elections
•Relative Majority (first past the post)
Only first preferences are
considered
Ballot Paper
Place a 1 next to your first
preference, a 2 next to your second
and so on…
Candidate
Ahmed
Boateng
Cortez
Donald
3
4
1
2
In this example,
Cortez wins 1 point.
All other Candidates
gain no points

5. Elections
•Borda Points (Arithmetic Weighting)
–The first preference gains 4 points, the
second 3 points, the third 2 points and the
fourth 1 point
Ballot Paper
Place a 1 next to your first
preference, a 2 next to your second
and so on…
Candidate
Ahmed
Boateng
Cortez
Donald
3
4
1
2
In this example,
Cortez wins 4 points
Donald wins 3 points
Ahmed wins 2 points
Boateng wins 1 point

6. Elections
•Borda Points (Geometric Weighting)
–The first preference gains 8 points, the
second 4 points, the third 2 points and the
fourth 1 point
Ballot Paper
Place a 1 next to your first
preference, a 2 next to your second
and so on…
Candidate
Ahmed
Boateng
Cortez
Donald
3
4
1
2
In this example,
Cortez wins 8 points
Donald wins 4 points
Ahmed wins 2 points
Boateng wins 1 point

7. •Borda Points (Geometric
Weighting)
–The first preference
gains 8 points, the
second 4 points, the
third 2 points and
the fourth 1 point
•In this example, Cortez
wins 8 points
•Donald wins 4 points
•Ahmed wins 2 points
•Boateng wins 1 point
•Borda Points
(Arithmetic Weighting)
–The first
preference gains
4 points, the
second 3 points,
the third 2 points
and the fourth 1
point
•In this example,
Cortez wins 4 points
•Donald wins 3 points
•Ahmed wins 2 points
•Boateng wins 1 point
Ballot Paper
Place a 1 next to your first
preference, a 2 next to your second
and so on…
Candidate
Ahmed
Boateng
Cortez
Donald
3
4
1
2
•Relative Majority (first
past the post)
–The first
preference gains
1point, all other
candidates gain no
points
•In this example,
Cortez wins 1 point
•Donald wins 0 points
•Ahmed wins 0 points
•Boateng wins 0 points
Which system
do you think is
best and why?

8. Plenary
The Olympic Voting System
 In this system, there are 5 candidates
 Everyone votes for one choice
 The candidate with the least is eliminated,
and everyone votes again for the ones left
 The next lowest candidate is eliminated, and
the people vote again
 This continues until there is a winner

9. Plenary
The Olympic Voting System (2012)
Round 1
21Paris
19New York
15Moscow
20Madrid
22London
VotesCity
Round 2
25Paris
16New York
-Moscow
32Madrid
27London
VotesCity
Round 3
33Paris
-New York
-Moscow
31Madrid
39London
VotesCity
Round 4
50Paris
-New York
-Moscow
-Madrid
54London
VotesCity
London
Wins!

10. Summary
•We have seen 3 different ways in which
elections work
•We have seen that results will be
different depending on which method we
use
•We have also discussed benefits and
problems with each method