Set these games to a level that you will find challenging.
http://www.kidsnumbers.com/subtraction_regular.php
http://www.kidsnumbers.com/subtraction_missing_number.php
http://www.kidsnumbers.com/subtraction_timed.php
This will give you a challenge
http://www.kidsnumbers.com/subtraction-action.php
Tuesday, February 9, 2010
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