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Tool: Kakooma
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Go to: http://itunes.apple.com/us/app/kakooma/id417769077?mt=8 (opens a new window)
Description: This app develops quick mental math skills for elementary and middle grades students. To begin, you have a puzzle board that looks like a Sudoku puzzle filled in. In each square of 9 numbers, 2 of the numbers will sum to a 3rd number within the group. Tap on that sum and work on the next square. Once you have solved all 9 squares you will have a new puzzle with the sums from the 9 squares. Solve that final puzzle and you will see your time.
Technology Type: iPhone 
Guide: User's Guide (opens a new window)
Author: Greg Tang
Language: English 
Cost: Requires payment for use

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