Review three video clips for one major concept. The resource contains three short clips to introduce the idea of ratios and proportions and how to solve a proportion. After watching the video, partners use their noses to push pom poms across the floor and express the distance to time as a ratio. The extension to the activity suggests changing the variables to provide multiple ratios to explore.

Concepts

ratios, proportions, proportional reasoning, cross multiply

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Additional Tags

math

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Instructional Ideas

• Create ratios that exist within the class, such as boys to girls, brown eyes to blue eyes, etc.
• Lead a discussion on why the presented method of solving a proportion is mathematically sound

Classroom Considerations

• Requires an open space on the floor
• One part of the Math at the Core MS: Ratios series
  

Pros

• Includes a set of discussion questions to use with the class
  
• Contains a list of materials needed for the activity

Cons

• None

Common Core

6.RP.A.1 6.RP.A.2 6.RP.A.3.a 6.RP.A.3.b 6.RP.A.3.c 6.RP.A.3.d 6.SP.A.1 7.RP.A.2.a 7.RP.A.2.b 7.RP.A.2.c 7.RP.A.2.d 7.SP.A.2