Finding patterns—seems easy enough. High schoolers learn the definition of a sequence in a concept video. Four problem videos then cover finding a particular term of a sequence given an explicit formula and identifying arithmetic and geometric sequences.

Concepts

sequences, arithmetic sequences, geometric sequences

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Additional Tags

math

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Instructional Ideas

• Use the video to introduce arithmetic and geometric sequences
• Pause video to allow learners to answer posited questions before viewing answers

Classroom Considerations

• Video refers to the general term of a sequence; be sure learners know that this terminology is used to indicate what is also known as the explicit formula of a sequence

Pros

• Concept video touches upon the fact that there is an explicit and recursive formula for each sequence

Cons

• Concept video only uses examples of increasing sequences, though it does mention that sequences can be decreasing