Write formulas that depend upon previous terms. Individuals watch a video that explains how to create a recursive formula based on a sequence of numbers. Learners find out how to determine whether a sequence is geometric or arithmetic and then practice creating recursive formulas, identifying the type of sequence, and justifying their decisions.

Concepts

sequences, number sequence, recursion, the recursive formula, terms, arithmetic sequences, geometric sequences, linear relationships

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Instructional Ideas

• Have classmates create a recursive formula and swap with others to generate the sequence from it

Classroom Considerations

• Assumes the class has a basic understanding of sequences
• Installment two of a four-part unit on sequences

Pros

• Provides an additional practice worksheet for individuals needing extra work to gain mastery
• Contains problems that are a review from previous units to maintain skills practice

Cons

• None

Common Core

HSF-BF.A.1.a