Scale the challenge of learning about ratios and scales. Young mathematicians learn to incorporate fractional measurements when considering scales and scale factors. They use an interactive to investigate the concept and critically analyze a given solution to a problem on scale factors. The helpful tool is part of the larger Math at the Core: Ratios playlist.

Concepts

fractions, scale models, scale factors, ratios

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Additional Tags

math

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Instructional Ideas

• Have pupils bring in scale models to consider scales
  

Classroom Considerations

• Learners should have previous understanding of ratios
• Each classmates needs a computer or other device with Internet access
• Instructors must set up a free PBS account
  

Pros

• Promotes higher-order thinking skills
• Provides a separate teacher guide
  

Cons

• None

Common Core

6.RP.A.1 6.NS.A.1 7.RP.A.2.b 7.NS.A.3