Use this versatile tool and Unifix® Cubes to model and understand number concepts, base 10, and operations through 100. Comprehensive teacher’s guide includes illustrated activities for number relationships, addition, subtraction, multiplication and division. Includes 22 number label cards (10s, 20s, 30s, 40s, 50s) and 100-grid card to position behind stacks of cubes. Unifix® Cubes are sold separately.