Colorful 24" inflatable vinyl ball provides an excellent way for children to build multiplication skills. Great for use in organized classroom activities, on the playground, or at home. Your Multiplication Clever Catch® provides an excellent way for children to learn and practice multiplication concepts as a fun, quick game. Clever Catch® can be used at school in organized classroom activities. It can also be used on the playground or at home. Grades 3+, Ages 8+.BASIC PLAY:Basic play for Clever Catch® is simple. Two or more players toss the ball to each other, answering the problem underneath or closest to their left thumb. Each problem is numbered and enclosed in its own space, assuring the child will know which problem to answer. Answers are provided in this insert for independent play by students. Sample questions include: 7x3=, How many toes are in the room? How many quarters are in 3 dollars?