How many boys are in the class? Here is an introductory exercise describing ratios. The commentary shows different ways learners can approach the problem, using a tape diagram of boys to girls and using a table. The activity includes discussion on relating ratios to rates. At the end, your class will understand the concept of a ratio and be able to describe it in a relationship.

Concepts

equivalent ratios, proportions, ratios, unit rates

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Additional Tags

ratio, proportional relationship, unit rate, equivalent ratios, math

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Pros

• Discusses the concept of ratios and how it can be applied to a real-world situation

Cons

• None

Common Core

6.RP.A.1 6.RP.A.2 6.RP.A.3.a MP5