Using the Teen Boards, the child explores the numbers 11-19. Bead quantities are created from the 10 bars and colored bead stair in the Teen Bead Box and are associated with the...
Used for various decimal operations and with the Decimal Fraction Board, this material introduces decimal quantity and symbol. The material consists of a wooden box containing...
This material is used to represent in geometric form the hierarchy of number for: 1, 10, 100, 1000, 10,000, 100,000 and 1,000,000. The precise nature of these materials makes it...