Turning words into symbols, a powerful application of mathematics. A video lesson explains how to rewrite a problem-solving question with expressions. The instructor emphasizes the need to define variables.

Concepts

expressions, writing expressions, evaluating expressions, variables

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Additional Tags

math

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Instructional Ideas

• Flip your classroom by assigning the video as homework; use class time for guided and independent practice
• Leave posted as a resource for review

Classroom Considerations

• Expects a conceptual understanding of an expression

• This video is hosted on YouTube

Pros

• Emphasizes algebraic vocabulary throughout the lesson
• Includes more than one example to reinforce learning

Cons

• None

Common Core

SL.6.2 SL.7.2 SL.8.2 SL.9-10.2 6.EE.A.2.a RST.6-8.7 RST.9-10.7