Answer: They're all things that might be found on a Chicago food truck!
In Chicago, food entrepreneurs who want to run a food truck face a lot of roadblocks in the form of regulations. Regulations that require them to have a GPS unit and a tape measure.
The tape measure isn't actually required, but if they want to avoid some hefty fines, they need it.
Learn more about how food trucks operate in the Windy City, and maybe order up some lunch. The teacher's guide for this unit includes several "consumer math" activities you can do with your students, as well as some delicious recipes. Cook up student interest with this fascinating new release from izzit.
To learn more, check out http://www.izzit.org/products/detail.php?video=food_truck_roadblock.