Teaching a visual subject to a visually challenged student inspires strategies that benefit all students in a class.
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Teaching Geometry to Visually Impaired Students
Christine K. Pritchard and John H. Lamb
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.
