MathGym-1D Board Game The Math Gym Internet System Draw your tiles, build your equation, and make your move. But can you reach $1000 by answering math workout questions before your opponents do? Up to four players can play by using our innovative workout decks designed for grades 1-9. Amoeba Math Game A fast paced action game that helps teach your children their math facts and beyond. From K to grey, kids love to play!