• The Trinomial Cube is a concrete representation of the algebraic formula (a+b+c)3.
  • The factors of the equation are represented by the cubes and prisms. The elementary Montessori child uses the Trinomial Cube as an activity of algebraic exploration.
  • The Trinomial Cube is contained in a wooden box with lid, having two adjacent hinged sides that open out to display the 27 wooden component cubes and prisms painted red, blue, yellow and black.