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.

Voting systems

Maths

Thinking critically with maths

With the {{}} (STV), the opinions in parliament match the strength of support in the country.

With the {{}} (AV), your constituency gets an MP the majority support.

If the quota of votes to be elected is 34 561 and a candidate receives 42 983 votes, how many votes are reassigned under random selection?

If the quota of votes to be elected is 34 561 and a candidate receives 42 983 votes, under fractional transfers how much is a reassigned vote worth (to 3 d.p.)?

1 891 457 votes are cast. Under the AV system, how many votes are needed to win?

7 541 980 votes are cast. Under the AV system, how many votes are needed to win?

Here is a formula. If the values for $$a, b, c$$ and $$d$$ are known, what is a valid first step?

Here is a formula. If the values for $$a, b, c$$ and $$d$$ are known and substituted in, what is a valid next step?

Here is a formula. If $$a = 5, b = 7, c = 19$$ and $$d = 11$$ what does the numerator evaluate to?

Here is a formula. If $$a = 5, b = 7, c = 19$$ and $$d = 11$$ what does the denominator evaluate to?

Here is a formula. If $$a = 5, b = 7, c = 19$$ and $$d = 11$$ which of the following is correct?

Here is a formula. If $$a = 5, b = 7, c = 19$$ and $$d = 11$$ what is the value of $$h$$?

This lesson will be removed by end of Summer Term 2025.

Voting systems

Lesson outcome

This lesson will be removed by end of Summer Term 2025.