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Don't hesitate to evaluate. A short YouTube video demonstrates how to evaluate an expression of the form (a+b)/(c-d). It shows the substitution, evaluation, and simplification steps given values of a, b, c, and d.
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CCSS:
Adaptable
Concepts
Additional Tags
Instructional Ideas
- Have the class create additional problems for practice
Classroom Considerations
- Learners should be aware of how to evaluate expressions
- Assumes pupils know how to add and subtract positive and negative integers
- Note that there is a separate video for example two
- This video is hosted on YouTube
Pros
- Includes easy-to-understand explanations
Cons
- Scholars are not likely to find the video interesting