Abbott and Costello, "7 x 13 = 28" Abbott and Costello, "Give Me My Money" Abbott and Costello, "I Wanna Play" The Klein Four Group, "Simple Group (of Order Two)" Tom Lehrer, "New Math" Ma & Pa Kettle, "5 x 14 = 25" Mr. Show, "Biggest Number" Mr. Show, "The Limits of Science" Monty Python, "Holy Hand Grenade" Monty Python, "She's a Witch" The Sketch Show, "Math Convention Joke" Kid Snippets, "Math Class"