Step 8 Objective

Use proportional reasoning to solve a problem, choosing the correct numbers to take as 100%, or as a whole.


Probing questions

Which are the key words in this problem? How do these words help you to decide what to do?
What are the important numbers? What are the important links that might help you solve the problem?
How do you decide which number represents 100% or a whole when working on problems?
Do you expect the answer to be larger or smaller? Why?
What would you estimate the answer to be? Why?