Review the "Big Four" of patterns: finding, describing, explaining, and predicting with patterns. Do you think you have practiced all four of these skills? When? What was the most enjoyable? Most difficult? Do you practice these processes with your students?
Read about recursive and closed-form descriptions.
Groups: Discuss the difference between closed form and recursive form. Take five minutes to jot down answers to Problems E1 and E2, then spend some time sharing a few of the answers.
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