Comparing Ratios Using Ratio Tables

Decide which concentration of mixtures is the strongest. Pupils use tables to compare ratios involved in mixtures. They use two methods to make the comparisons — by finding equivalent values within the tables or by comparing the values of the ratios. The lesson is the 11th in a series of 29.

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CCSS: Designed
Instructional Ideas

  • Lead a short review discussion on scaling up and scaling down
Classroom Considerations

  • Individuals should know how to compare fractions
  • It is important that the class knows how to generate equivalent ratios
Pros

  • Uses colors to highlight rows in tables
  • The answer documents show created tables that are helpful in solving the problem
Cons

  • None
Common Core