5.1+Estimating+the+Size+of+a+Crowd+0910

December 12, 2009 L.T.

Comparing and Scaling The Big Idea Many important practical and mathematical applications involve comparing quantities of one kind or another; it is important to know which method to use and how we should use them.

Essential Question: // What methods are there for comparing things? //

Sometimes the size of a crowd is estimated from aerial photographs. Imagine that the illustration below is an aerial photograph of a crowd in a rally. Each dot represent one person.

Estimate how many people attended the rally. Explain the method you used to arrive at your conclusion.



To estimate the amount of people there are, first I had to split the area up into equal sections and count the amount of people there are in one section. Then I needed to multiply that number by the amount of sections.
 * Follow Up**[[image:ltaverage5.1.jpeg width="755" height="1781"]]