Grades 3 & up. Learn to count values by making groups of ten and adding what is left over or decompose values to calculate two or more values quickly. Cubes provide students the hands-on practice they need for the development of number sense, giving them visual representation for what they are learning. The key advantage is students can visually see and quickly count the quantity of dots in a ten frame for any roll. Includes a set of 6 dice comprising of 4 red and 2 blue and a Teacher Guide.