## Reflection: Connection to Prior Knowledge Geometric and Arithmetic Sequences and Series Review - Section 2: Review Sunken Treasure Game

I think it is important to model the kind of relationships that students will see during their exam and give them instant feedback.  Reflecting on this lesson I would model the relationships in various ways previous to this review.  The activity in this lesson allows you to have students practicing the problem sets and getting instant feedback, but I would also allow time at the end to clarify misconceptions that were brought up during the review.  During my last NCTM visit I was told to always phrase questions as "What are your questions" rather than "Are there any questions" as we know there are questions that everyone has.  Please reference Edward Burger's "5 Elements of Effective Thinking".  I used this approach referenced from this book and found that it resulted in many more responses and questions.

During this activity I really also focus on MP#3.  I create an environment in which the students can critique the reasoning of others by creating team building activities.  I also choose to group teams by certain features based on a few characteristics.  Sometimes I have heterogeneous groups based on ability, sometimes homogeneous groups based on ability.  I have even tried groups of all boys and girls.  I have some classes with very few girls and have researched that if a girl is in a group with all boys they are much more likely to not offer feedback and critique their peers.  For this activity group by homogenous groups.  The stronger students can work at a faster pace and challenge each other, while I usually work with the lower level groups by providing much more scaffolding.  The nice thing about this activity is that groups can still "win" even if they are slower than other groups.  it is just a matter of chance once they find a solution.

Connections
Connection to Prior Knowledge: Connections

# Geometric and Arithmetic Sequences and Series Review

Unit 2: Arithmetic and Geometric Sequences
Lesson 5 of 6

## Big Idea: Represent arithmetic and geometric sequences/series with various models (MP#4) using a cooperative learning review activity (MP#3).

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Standards:
Subject(s):
exponential function, Math, Algebra, Summation Formulas, Patterns (Algebra), tables, function, Geometric Sequences, arithmetic sequences, Series, graph, Algebra 2
80 minutes

### Kelli Ireton

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