An ounce of cola
Number Sense Math and Food
Which is more expensive; gasoline? milk? or cola?  Students calculate the per ounce cost of each of these liquids in a story about a man doing errands.  After finding the per ounce price, ...
Data and Probability proportion ratio 6.RP.2 6.RP.3 rates 6.NS.3 6th 7th 5th unit pricing gasoline per ounce cola per ounce milk per ounce sale Unit rate