Your classes will be cashing in on this lesson! A well-designed lesson describes the steps of solving for the number of two different coin types given specific information. Although some may write equations using two variables, the presenter shows how to write an expression for the number of one coin in terms of the other. 

Concepts

linear equations, expressions, systems of linear equations, linear equations writing, problem solving strategies, linear equations applications

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Additional Tags

math

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Instructional Ideas

• Post several videos from the same author to create a set of resources for a unit on linear equations
• Pause the video after each step to allow pupils to try it on their own before watching it on the video

Classroom Considerations

• Consider using the closed captioning feature to support note taking or help those with language challenges

• This video is hosted on YouTube

Pros

• Uses color to organize different steps of the process
• All work remains on the screen throughout the entire presentation

Cons

• None

Common Core

SL.8.2 SL.9-10.2 8.EE.C.8.a HSA-REI.C.6 RST.6-8.7 RST.9-10.7