It's all Greek to me. Young mathematicians learn how to use the epsilon-delta definition of a limit with a video that shows how to find the relationship between epsilon and delta for a given limit equation.

Concepts

limits, precise language, delta

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Additional Tags

math

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Instructional Ideas

• Use the video with pupils who are having difficulty with the precise definition of a limit

Classroom Considerations

• Learners must know how to deal with compound inequalities and absolute value notation
• Note that the epsilon-delta definition of a limit is not currently assessed on the AP Calculus exams

• This video is hosted on YouTube

Pros

• Uses color coding to match quantities
• Concise, but comprehensive explanation

Cons

• Graph does not match example