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Turn on The Human Calculator in You Workbook
This workbook, along with the separately-sold "Answer Guide," will introduce you to all the basic arithmetic facts using The Human Calculator Matrix. Discover all the patterns that will make you feel like a mathlete and a human calculator. You will need 10 colored pencils for these exercises. Suggested colors are black, red, blue, pink, green, orange, ...
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  • Books & Magazines in Chicago
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- Chicago, Books & Magazines - Chicago, For Sale - Chicago

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