# Bus Stop

How many different ways can four people stand in line?

Note for Teacher: Click and drag the characters above to help explain the task.

## A Mathematics Lesson Starter Of The Day

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Topics: Starter | Investigations | Probability

• Malcolm, Dorset
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• They enjoyed this one!

On the extension, there are two errors not one!
• Year 8 set 1, Freebrough Specialist Engineering College, Cleveland
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• Actually, there is not one, or two mistakes in the extension question. There are in fact three mistakes!
• Miss Chavda, KSHS, Lincolnshire
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• Year 7s enjoyed this, and found a logical way to find all the solutions - 7A
• Helsby High School, 9y4
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• Most of the class liked this. Thank you.
• Amal, London
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• There are 24 ways.
• N Cox, Ipswich
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• Great starter. Extended to four 5, 6 and 7 people and to the use of the factorial key on the calculator.
• Angel, Sacred Heart High
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• There are 24 ways to stand in the straight line!
• James, Weston
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• I really enjoyed this starter, because our class stood up and lined up for us to work out the answer :).
• Mr Musker And Class 4, Warden Hill Junior School
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• We think that there are 24.
• Year 8 Legends, King James's
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• We found 24 too. We also enjoyed doing the line-up.
• Year 6 - Sir John Heron School, Newham
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• Nice starter. The children in y6 need another one to consolidate!
• Mr Kavanagh's Fifth Class, Cork, Ireland
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• We figured out that if there were ten people in the line there would be 3,628,800 different ways to arrange them.

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This starter has scored a mean of 3.6 out of 5 based on 131 votes.

Previous Day | This starter is for 12 March | Next Day

 Teacher, do your students have access to computers?Do they have iPads or Laptops in Lessons? Whether your students each have a TabletPC, a Surface or a Mac, this activity lends itself to eLearning (Engaged Learning).

Transum.org/go/?Start=March12

Here is the URL which will take them to the Systematic Listing activity.

Transum.org/go/?to=Listing

## Extension activities

Here is a solution to this problem with at least one mistake.
Can you spot the mistake(s)?

In how many ways can 5, 10 or 100 people stand in line?

In how many different ways can the letters in the word Transum be arranged?

In how many different ways can the letters in the word Google be arranged?