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On Four 4s and Speed Limits (Math Chat)

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Visit this site: http://www.csmonitor.com/cgi-bin/getasciiarchive?script/97/05/23/052397.feat.feat.1

Author:Frank Morgan; Christian Science Monitor
Description: Can you get past 30 in forming numbers 0, 1, 2, 3, ... from four 4s and the standard mathematical operations +, - , x, /, decimal point, square root, powers, and factorial(!)?

Levels: Middle School (6-8), High School (9-12)
Languages: English
Resource Types: Problems/Puzzles, Articles
Math Topics: Arithmetic/Early Math

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