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.

Concepts

ratios, proportions, word problems, solving equations, problem solving strategies, system of equations word problems, systems of equations

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Additional Tags

math

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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

• This video is hosted on YouTube

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

8.EE.C.8.a