addition; subtraction; multiplication
"How fast are you?" taunts Reaction Math! Answer its challenge by adding and subtracting single and double digits or multiplying numbers 1-12 as quickly as you can. You select the number of problems to calculate, and the game offers your "stats," including number right, number incorrect, and average speed.
See more than 50 additional interactive online games in our Math Machine Archive.
Article by Cara Bafile
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