Sad man teaches about pie fractions and how to read them. Bad man takes the children on a practice run on fraction amounts in a pie chart. A special song is sung to guide the lesson.

The Bad Man makes the problems harder asking more complex percentages and asks the kids to find the fraction that corresponds to the percent.

The Bad Man tests the kids' percentage skills by asking them to mark percentages off on the board.

Joe is a cashier at a garage sale and does not have a calculator. A customer brings him a $25 hat, which is 10% off. Wanda and Wishbone notice that he is struggling and give him tips to more easily calculate the price that he should charge the customer.

Joe's mother asks him to answer the door for a pizza delivery and tells him to give the delivery person a 15% tip. The pizza costs $10, and Joe has trouble calculating the tip even with a calculator.