http://www.flashcardexchange.com/tag/sutraction www.flashcardexchange.com: sutraction Flashcards en-us Mon, 28 May 2012 05:10:33 PDT Mon, 28 May 2012 05:10:33 PDT support@flashcardexchange.com 720 http://www.flashcardexchange.com/flashcards/view/496684 Subtracting from 1-10 2007-09-05 http://www.flashcardexchange.com/flashcards/view/496684 http://www.flashcardexchange.com/flashcards/view/429026 Subtraction 1 - 20 <br /><br />I also have addition flashcards 2007-01-24 http://www.flashcardexchange.com/flashcards/view/429026