Estimating people

This task is about using a way of estimating that you have discussed with your teacher.
rugby-crowd-DT.jpg
Ali wants a quick estimate of the number of people in a crowd. 
Make an estimate of about how many people there are and explain how you did it in the box. 

Question 1Change answer

a)  There was a crowd of 8,682 people and 6,824 went away. 
The number of people left is about .
This is because ...

Question 1Change answer

Have a group discussion with your teacher on your ways of estimating for this problem. 
 
Make estimates for each of these problems and explain how you made your estimate.

Question 1Change answer

b)  There were 5,364 people and 2,187 went away. 
There were now about left.
This is because ...

Question 1Change answer

c)  There were 7,281 people and 4,863 went away. 
There were now about left.
This is because ... 

Question 1Change answer

d)  There were 54,897 people and 39,715 went away. 
There were now about left.
This is because ...