Wooden Hinged Box with lid containing 27 cubes
The Trinomial Cube is a concrete epresentation of the algebraic formula a+b+c)3.
The factors of the equation are epresented by the cubes and prisms. The
elementary Montessori child uses the rinomial 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.
Wooden - Trinomial Cube
Hinged Box with lid which opens out to display the painted wooden cubes