http://www.flashcardexchange.com/tag/addition: www.flashcardexchange.com: addition: Flashcards en-us Sat, 11 Oct 2008 08:23:12 PDT Sat, 11 Oct 2008 08:23:12 PDT support@flashcardexchange.com 720 http://www.flashcardexchange.com/flashcards/view/575034 First Grade Addition Facts Tue, 12 Feb 2008 12:00:00 PST http://www.flashcardexchange.com/flashcards/view/575034 http://www.flashcardexchange.com/flashcards/view/458710 Students will be looking at three digit addition problems and determining if they will be regrouping the ones, the tens, or indicating that no regrouping is necessary. Sun, 15 Apr 2007 12:00:00 PDT http://www.flashcardexchange.com/flashcards/view/458710