Irrational Numbers.

Demonstrates teaching irrational numbers through the study of decimal fractions. Limited understanding of irrational numbers in past teaching is eliminated by this new method which leads to a positive demonstration of what an irrational number is.
Complete catalog record
IRRATIONAL NUMBERS. McGraw-Hill Book Co. 24 min., sd., b&w, 16mm. © McGraw-Hill Book Co., Inc.; 2Mar59; MP9507.

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