Trinomial Squares

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Trinomial Squares

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The trinomial square is contained in a wooden box with lid having 9 hard board tablets painted red, blue, yellow and black.

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.


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