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There's no substitute for learning through examples. A brief YouTube video shows how to evaluate an algebraic expression through substitution. The expression of interest is in the form (a-b)/(cd), where the values of the variables are positive and negative integers.
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CCSS:
Adaptable
Additional Tags
Instructional Ideas
- Have students create similar problems for classmates to evaluate
Classroom Considerations
- Pupils should already know how to evaluate an expression
- Learners must be able to reduce fractions
- This video is hosted on YouTube
Pros
- Step-by-step solutions are easy to follow
Cons
- Very limited in scope