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Visit this site: http://metarith.com/

Description: metarith challenges you to add, subtract, multiply, divide, exponentiate, and base-change your way to a target value. Similar to the 24 game, this JavaScript lets you choose the count-down clock you race against, the size and sign of the quantities it randomly presents you, and the difficulty level.

Levels: Late Elem. (3-5), Middle School (6-8), High School (9-12)
Languages: English
Resource Types: Instructional Packages/Games, Web Interactive/Java
Math Topics: Basic Operations, Exponents/Roots

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