The complete Number Theory workbook is available on Amazon at http://www.amazon.com/dp/B00SVWWUC0 (US) or http://www.amazon.co.uk/gp/product/B00SVWWUC0. Also available at https://www.createspace.com/5268285.
Look for our other workbooks part of the Practicing Math series. There are a total of 12 workbooks, each with a corresponding answer key.
For the complete workbook search for Practicing Mathematics for BJC Success by Paula Burrows.
