Ratio and Proportion, Word problems

Combine several mathematics concepts as classes solve linear systems. After writing a system of equations involving a proportion, learners then solve the system. A video instructor uses the substitution method and must work with fractions to find the solution.

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CCSS: Adaptable
Instructional Ideas

  • Use during a unit studying systems of equations
  • Include with other videos that demonstrate solving different types of linear system word problems
Classroom Considerations

  • Expects a proficiency with writing ratios and proportions
Pros

  • Shows each step of work and describes each step thoroughly
  • Checks the solution to ensure it meets both criteria of the original problem
Cons

  • None
Common Core