On Four 4s and Speed Limits (Math Chat)
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|Frank Morgan; Christian Science Monitor|
|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)|
|Resource Types:||Problems/Puzzles, Articles|
|Math Topics:||Arithmetic/Early Math|
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