All you need to do is two easy steps: substitute and simplify. By viewing a brief YouTube video, scholars see an example of evaluating an expression. This example is in the form (a+b)/(c-d) and requires simplifying a fraction after substitution.

Concepts

evaluating expressions, algebraic expressions

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Additional Tags

math

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Instructional Ideas

• Use the video with learners struggling with evaluating expressions
  

Classroom Considerations

• Pupils should be familiar with evaluating expressions
• Note that there is a separate video with example one
  

• This video is hosted on YouTube

Pros

• Explanations are thorough
  

Cons

• Only covers one specific form of expression
  

Common Core

6.EE.A.2.c