Domain can be a tricky topic, especially when you relate it to context, but here is a lesson plan 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