Dive into number concepts through 120! Learn about place value and practice addition and subtraction using number patterns on the grid. Perfect for helping children focus on important initial concepts. Includes a 120 mat and 3 inflatable cubes (2 number cubes to create 1- and 2 - digit numbers; 1 cube with +10, -10, +1, -1). Features 64 frames, 64 markers, and 4 t-shaped frames that highlight ten more/less and one more/less. Includes activities aligned to the Common Core. Mat measures 4L x 4½H.