Solutions to a previous Solve It problem are discussed, and the procedures used with problem solving are explored.
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Odd Shape Out
big solutions to little problems
Jo Ann Cady and Pamela Wells
Using Disks as Models for Proofs of Series
Tongta Somchaipeng, Tussatrin Kruatong, and Bhinyo Panijpan
Students use balls and disks to prove the general formulas for sums of squares and cubes.
