Wouldn't you know it? Norm has another secret mission. This time, he needs to hide his top secret item in his top secret storage system -- his workshop. But it's always such a mess. How can he make sure he finds his secret item when he needs it? With a treasure map, of course! With the help of a firefighter, Kevin and Uncle Norm learn how grids can be used to locate items and destinations.

Originally released by GAPC Entertainment, Inc., 2011. Streaming video file encoded with permission for digital streaming by Infobase on October 13, 2014.

Grid System --(8:18) -- Games with Math -- (6:14).