Year 9 - Maths
Voting systems
Thinking critically with maths
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Unit Summary
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Lesson Summary
You will learn to understand other existing voting systems.
Key Notes
- With the Single Transferable Vote (STV) , the opinions in parliament match the strength of support in the country.
- With the Alternative Vote (AV) your constituency gets an MP the majority support
- Different systems offer different benefits for voters and officials
Vocabulary To Learn
- Single Transferable Vote (STV): With the Single Transferable Vote (STV) , the opinions in parliament match the strength of support in the country.
- Alternative vote (AV): With the Alternative Vote (AV), your constituency gets an MP the majority support.
Common Mistakes To Avoid
- Mixing up STV and AV as both involve ranking candidates from favourite to least.
3 Quick Questions (With Answers)
1. Solve this in steps: explain the method from this lesson and why each step matters.
With the Single Transferable Vote (STV) , the opinions in parliament match the strength of support in the country. With the Alternative Vote (AV) your constituency gets an MP the majority support.
2. Use this key word in a maths sentence and explain it clearly. 'Single Transferable Vote (STV)'
With the Single Transferable Vote (STV) , the opinions in parliament match the strength of support in the country. Use this word when showing your method, then check your final answer is reasonable.
3. Spot and fix this common maths mistake.
Mistake: Mixing up STV and AV as both involve ranking candidates from favourite to least. Correction: With STV, excess votes from the winning candidates are also reassigned.
More Lessons In This Unit
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