Art Jorgensen
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The Locker Problem: An Explanation Using the Properties of Primes
Murray L. Lauber
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The Ancient Problem of Trisecting an Angle
Sandra M. Pulver
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Did You Know That? Against All Odds, Lotto 6/49!
Ian deGroot
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An Angle on Multiple Intelligences in Geometry
Ellen Meller
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Tiling Pattern Possibilities: A Geometric Classroom Activity
Bonnie H. Litwiller and David R. Duncan
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The Problem with Factorials!
Klaus Puhlmann
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Are There an Infinite Number of Twin Primes?
Klaus Puhlmann