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Expressions have value. A short video shows individuals how to evaluate algebraic expressions. They see how substitution lets them determine the value of an expression for given values of the variables.
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Instructional Ideas
- Use the video for learners struggling with substitution
Classroom Considerations
- Pupils need to have familiarity with the concept of variables
- Scholars should also know the operations that expressions indicate (such as multiplication for bh)
- This video is hosted on YouTube
Pros
- Uses a familiar context of sports to introduce concept
Cons
- Solution appears all at once, making it difficult to follow