What types of mistakes do your classes make when evaluating algebraic expressions? A direct video lesson explains the process of evaluating algebraic expressions by substituting values for multiple variables. The instructor highlights common mistakes during instruction—be sure viewers take note!

Concepts

algebraic expressions, polynomials, substitution, evaluating expressions

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Additional Tags

math

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Instructional Ideas

• Follow the video with board work as a quick understanding check
• Flip your classroom and assign the video as homework; use class time for practice

Classroom Considerations

• Expects previous experience with substituting values for a variable

• This video is hosted on YouTube

Pros

• Emphasizes mathematical vocabulary throughout the lesson
• Explicitly explains the order of operations that apply to each problem

Cons

• None

Common Core

SL.6.2 SL.7.2 SL.8.2 SL.9-10.2 HSA-APR.A.1 RST.6-8.7 RST.9-10.7