Algebraic expressions have value; mathematicians just have to calculate it. An educational video describes how to evaluate algebraic expressions with a focus on linear and quadratic expressions with one or two variables. Pupils work through a set of four such examples with the narrator while watching the video.

Concepts

algebraic expressions, evaluating expressions

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Additional Tags

math

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Instructional Ideas

• Have learners write problems for each other to solve
  

Classroom Considerations

• Some examples require operations with negative numbers and with decimals
  
• Note that there is also an Example 1 video
  

• This video is hosted on YouTube

Pros

• Shows all work in a orderly fashion
  
• Thorough explanations of the steps are easy to understand
  

Cons

• None

Common Core

6.EE.A.2.c