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Direct linkLewis, Leslie D. – Mathematics Teaching in the Middle School, 2007
This article describes the instructional process of helping students visualize irrational numbers. Students learn to create a spiral, called "the wheel of Theodorus," which demonstrates irrational and rational lengths. Examples of student work help the reader appreciate the delightful possibilities of this project. (Contains 4 figures.)
Descriptors: Mathematics Instruction, Student Evaluation, Numbers, Student Motivation
