What do exponential expressions and lungs have in common? They both can expand and contract! A short video lesson shows how to expand exponential expressions. Examples include those with and without parentheses.

Concepts

exponents, exponential expressions, properties of exponents

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Additional Tags

math

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Instructional Ideas

• Incorporate as a review before introducing exponent properties
• Have pupils complete a guided notes document while watching the video

Classroom Considerations

• Requires previous work with evaluating powers

• This video is hosted on YouTube

Pros

• Provides verbal and written explanations
• Chooses examples that highlight common mistakes

Cons

• None

Common Core

SL.8.2 SL.9-10.2 RST.6-8.7 RST.9-10.7