Trinomial Squares – Budget Range

Inclusive of all taxes

The trinomial square is contained in a wooden box with lid having 9 hard board tablets painted red, blue, yellow and black. (a b c)2 .The trinomial square is a concrete representation of the algebraic formula (a b c)2. The factors of the equation are represented by the pieces. The elementary Montessori child uses the trinomial square as an activity of algebraic exploration