Domain can be a tricky topic, especially when you relate it to context, but here is a lesson that provides concrete examples of discrete situations and those that are continuous. It also addresses where the input values should begin and end. It is the eighth resource in a 26-part series.

Concepts

domain, inputs, number sequence, number patterns

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Additional Tags

math

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Instructional Ideas

• Use to teach the concept of domain in context while incorporating discrete and continuous functions
• Have class members graph each problem set to provide a visual model of the input-output relationship

Classroom Considerations

• Learners should have knowledge of writing a formula for a sequence

Pros

• Examples are simple yet effective in communicating the effect context can have on domain
• All handouts, keys, and teacher guides are included

Cons

• None

Common Core

HSF-IF.A.1 HSF-IF.A.2 HSF-IF.B.4 HSF-IF.B.5 HSF-IF.C.7.a