In this *Cyberchase* media gallery, learn about ratio and proportion and how to use an algebraic shortcut to solve proportion problems. In the accompanying classroom activity, students play a game called the "Pom-Pom Nose Push," in which they collect data and determine the ratio of time to distance. This resource is part of the Math at the Core: Middle School Collection.

In this video from Cyberchase, Harry builds off the previous explanation of ratio to describe proportion.

In this video from Cyberchase, learn how to solve proportion problems by using an algebraic shortcut: cross multiply and divide.

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