The Decimal Board is typically used together with the Decimal Board Material for teaching long decimal numbers to the millionths. The board itself is frameless and measures 40 cm x 37 cm (about 16″ x 14.5″).
The Decimal Fraction Exercise is used together with the Decimal Fraction Board for teaching long decimal numbers to the millionths. The set consists of a divided box containing 60 each of small wooden cubes in 6 colors, as well as a set of cards from whole numbers to millionths.