Robyn Yewell is Teacher of the Year and teaches science at Donaldson Elementary. She is also the adviser for "Future Problem Solving" and "Odyssey of the Mind". Last year her Future Problem Solving team went to the world competition! She gives as an example of a practice problem the students use to prepare for competition.
You can hear the entire show here: http://www.mikecheck.us/january-24-2018-future-problem-solvers/