Ms. Simian explains to Gumball's class the Butterfly Effect after the students ask about letting the class butterfly go.

Monster Math Squad must follow the order of the instructions in order to make monster muffins.

The narrator explains to Donald the story of Pythagoras, who is considered by some to be the father of mathematics and music. He discusses Pythagoras' society, the Pythagoreans, and how they used mathematics to create music.

Why snowball sampling and censusing are used.

Bad Man poses two word problems to Ashley and Celia. Given a start and an end time, they need to calculate the duration of a train ride and the length of a video recording.