How many different ways can four people stand in line?
Note for Teacher: Click and drag the characters above to help explain the task.
Click here for a full screen view
Topics: Starter  Investigations  Probability
How did you use this starter? Can you suggest
how teachers could present or develop this resource? Do you have any comments? It is always useful to receive
feedback and helps make this free resource even more useful for Maths teachers anywhere in the world.
Click here to enter your comments.
If you don't have the time to provide feedback we'd really appreciate it if you could give this page a score! We are constantly improving and adding to these starters so it would be really helpful to know which ones are most useful. Simply click on a button below:
This starter has scored a mean of 3.7 out of 5 based on 162 votes.
Previous Day  This starter is for 12 March  Next Day
There are 24 different ways in which 4 people can stand in line
There are four people who could be first in line. Once that person has been decided there are three people who could be second and so on.
The total is therefore 4 x 3 x 2 x 1
(Sometimes written as 4!)
=24
Teacher, do your students have
access to computers? 

Here is the URL for a concise version of this page without comments or answers.
Here is the URL which will take them to a probability activity.
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?