Skits include: Triple Play"" This Square One TV game show involving connecting numbers on a board pits Liz against Ryan. ""Dirk Niblick"" Dirk gets a call from his chatty mother about using Graphs. ""Oops!: Fractions"" A new installment shows how to properly add fractions, demonstrating a common mistake and then the right way to do it. ""Common Multiple Man"" Repeat of a segment first used in Episode 121. ""Mathman"" Mathman is ordered to eat only Pentagons. They could be concave as well as convex. Archimedes Beverly Mickens sings this Exclusive Music Video from the album Heads by Amber. Mathnet: ""The Case of the Great Car Robbery, Part 3"" The Mathnetters are deeply involved in this baffling case in the third installment. Debbie has classified that most of the stolen cars are Cadillacs and Lincolns. In addition, the majority of stolen cars were built earlier than 1975 and later than 1984. Kate and George consult with famed local car dealer Art Fraud. He, too, has felt the crunch of the Great Ca