Math Circles Meeting: January 19, 2013

The 2nd of the Spring 2013 meetings for the Islander Math Circles.

Facilitators: Joe Champion, Kim Moore

Agenda:  Team Problem Solving

  • Meet & Greet, Announcements
  • Warm-Up Problem: Imagine that all the numbers from 1 to 100 inclusive are written on the blackboard. At every stage, you are allowed to erase two numbers that appear on the board (let’s call the numbers you erased x and y) and
    in place of the two erased numbers, write the number x+y+xy. Repeat this operation until only a single number remains. What are the possible values for that remaining number?

  • Intersecting Circles:
  • Hexagonal Explorations
  • Problem Solving Practice for the Rice Math Tournament
  • Discussion on Problem Solving Practice



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