Teach a variety of topics including graphing, operations, fractions, and decimals. Include 8 array transparencies and 8 double-sided array cards. Simply lay the transparencies over the cards to build over 35 unique grids. The write-on/wipe-off board allows educators and children to model their problem-solving techniques. Both versions include a Getting Started Activity Guide. For over 50 years, hand2mind has encouraged hands-on learning and discovery, driving deeper understanding and helping children unlock their full potential. Hand2mind specializes in math manipulatives designed to help students learn by doing. From early math to middle school math, hand2mind has you covered with products designed to enhance learning in the classroom and the world around us. Through hands-on exploration and discovery we strive to find new ways to encourage students in math practice, literacy activities, STEM education and more!