Linear equations aren't just for graphing! Scholars use a linear equation to model a contextual situation. A step-by-step direct instruction video describes how to find a solution using general problem-solving strategies and then how to model the scenario with a linear equation. 

Concepts

linear equations, linear equations applications, linear equations writing, problem solving strategies, math modeling

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Additional Tags

math

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Instructional Ideas

• Give pupils the problem to solve prior to watching the video; have them compare their solution methods to the lesson
• Challenge learners to find additional solution methods

Classroom Considerations

• Requires a strong understanding of equality

• This video is hosted on YouTube

Pros

• Uses color to match information in the word problem to parts of the equation
• Writes the equation in words before writing it symbolically

Cons

• None

Common Core

SL.8.2 SL.9-10.2 HSA-CED.A.1 HSF-LE.A.2 RST.6-8.8 RST.9-10.8