http://www.mp3cdsoftware.com en-us Copyright 2004-2006, mp3cdsoftware.com 1998-03-12 http://www.mp3cdsoftware.com/animated-arithmetic-download-5562.html Teaches addition, subtraction, multiplication and division for children from 1st through 4th grades. It provides exercises in addition and subtraction with and without regrouping. Problems can involve up to 9 digits. Puzzle and maze game rewards. http://www.mp3cdsoftware.com/animated-arithmetic-download-5562.html 1998-03-12