b'Mathematics Table Of PythagorasWith the Table Of Pythagoras, the child places the squares and rectangles in order by size and colour to complete the square of the decanomial. The material consists of a 10 compartment beechwood box for storing the sets of colour-coded plastic squares and rectangles.Item Number: 018600$124.95 Flat Bead FrameThe Flat Bead Frame activities are the final step in the passage to abstraction with multiplication. Consists of a beechwood frame with 9 columns of movable golden glass beads.Item Number: 009900$99.95 Flat Bead Frame Activity SetAdditional exercises for use with the Flat Bead Frame. Includes: exercise cards, divider tabs and a wooden box for storage.Item Number: 060801$74.95Box With Grey And White Number TilesThis advanced set of wooden colour-coded number tiles is designed for use with the Checker Board, Decimal Checker Board, the Flat Bead Frame, the Bead Material and various other math exercises. The numerals on the tiles are printed in black, instead of the colours used in the hierarchy of the decimal system, thus demonstrating the move from one category to another more clearly.Item Number: 009950$76.95Nienhuis Montessori 81'