Child "Dad, how do you do math in your head?... child dad education math numbers Please Rate Vote 1 Vote 2 Vote 3 Vote 4 Vote 5 Today's featured daily humor:Child "Dad, how do you do math in your head?" Dad "It's the thought that counts."Click for another laugh! Previous article: They say that a cat has nine lives.... Prev Next article: What do you call a man fainting during delivery?... Next