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Thursday, October 17 • 2:45pm - 3:45pm
A Visual Hands-on Approach to Building Perfect Numbers: A Perfect Theme for Gifted Students in the Elementary Grades 2-5, Room L-102/103

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Perfect numbers are a perfect portal into advanced arithmetic for the mathematically gifted and curious student. But how do we find a perfect number? Using a combination of colored interlinking blocks and paper and pencil, participants will find the sum of the divisors of the numbers from 1 to 12. Visual patterns will emerge, deductions and discoveries will be made. Each sum has different characteristics: some sums have characteristics in common, but, as the blocks will illustrate, perfect numbers have a special arithmetic feature. Participants will create hands-on visual representations of the first 3 perfect numbers, and discover that perfect numbers are also triangle numbers, which share an internal structure. 

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avatar for Peter Koehler

Peter Koehler

Lower School Math Enrichment Teacher, The Nueva School
Peter Koehler holds a PhD in theoretical and elementary particle physics from Royal Holloway College, University of London; a master’s degree from Imperial College of Science, Technology and Medicine, London; and carried out post-doc studies in the theory group at Stanford Linear... Read More →

Thursday October 17, 2019 2:45pm - 3:45pm PDT
Nueva Hillsborough Campus 6565 Skyline Boulevard, Hillsborough, CA 94010