With his workshop looking like a disaster site, Uncle Norm's certainly not ready for a visit from his boss. The Rads' solution? Uncle Norm needs an inventory! Kevin and Alanna take their frazzled Uncle to a school classroom, where organization is key. They all learn about the Base Ten counting system, skip counting, and how to use a rekenrek to tackle Uncle Norm's inventory problem.

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

Groups of Ten --(6:58) -- Counting Rods -- (7:34).