Round wooden ring box - Ring Box Wedding - Ring holder for ring bearer - handcrafted wooden box with lid - walnut and copper - wedding box
Montessori Trinomial Cube, Elementary Algebra and Math
Trinomial Cubes The Trinomial Cube is a concrete representation of the algebraic formula (a + b + c)3. The factors of the equation are represented by cubes and prisms. The elementary Montessori child uses the Trinomial Cube as an activity of algebraic exploration. Contained in a wooden box with lid, with two sides that lift out.