What is dos x eight??If you answered 16, you could be a master of Language Crusade I!!Product Description:Bring the excitement of a duel to your classroom with "Number Battle: The Card Game," an innovative card game designed to enhance math skills, promote quick thinking, and encourage cooperative learning among students. Perfect for the classroom, small group activities, or at-home learning, this game makes math practice an adventure that students will ask for again and again!Key Features:Engag