It is not good enough to have the same variable, they must have the same exponents too. The video introduces the class to like terms, while giving the definition of like terms and providing examples of combining like terms through addition.

Concepts

like terms, addition, subtraction, variables, exponents, algebraic expressions, algebraic concepts, simplifying, simplifying expressions

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Additional Tags

math

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Instructional Ideas

• Provide the class with several opportunities to identify like terms
• Use the video in a flipped classroom setting

Classroom Considerations

• The class should be familiar with operations with integers

• This video is hosted on YouTube

Pros

• Uses colors to highlight similar components
• The presenter states the property of addition that allows them to rearrange the terms in order to add them

Cons

• None

Common Core

6.EE.A.3 HSA-SSE.A.2 MP6 MP7