Recognize and Represent Proportional Relationships between Quantities: Ratio, Proportion, Cross Multiply, and Divide

This Recognize and Represent Proportional Relationships between Quantities: Ratio, Proportion, Cross Multiply, and Divide video also includes:

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.

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CCSS: Designed
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