Even with complex quotients, there is still more than one way to simplify an expression. The narrator of a short shows two methods of simplification when dealing with expressions with negative exponents. One method follows the more familiar order of operations, while the other removes the negative exponents first. Pupils watch both methods to determine which one works best for them.

Concepts

negative exponents, properties of exponents, exponents, integer exponents, simplifying, simplifying expressions

Show More Show Less

Additional Tags

math

Show More Show Less

Instructional Ideas

• Have individuals come up with other expressions that are equivalent
• Generate a list of reasons for each step and compare the two methods

Classroom Considerations

• The class should be comfortable with the rules for exponents

• This video is hosted on YouTube

Pros

• Shows each individual step
• Uses colors to highlight negative exponents

Cons

• None

Common Core

SL.9-10.2 8.EE.A.1 HSN-RN.A.2 MP1 MP6 MP7