Think Extreme

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Grade Vs Difficulty:
  EasyModerateChallengingPerplexing
1-2
3-4
5-6
7-8
9-10
11-12
13-14

Presenting one idea together with a collection of problems based on that idea is the
comfort food of math circle lesson plans. This lesson lists problems that can be solved by considering extremes (and solutions). Of course for the lesson, the leader would not give the problems. The leader would describe the idea, pass out the problems and let groups of students work together on the problems. The students would present their solutions, as they were found.