The Montessori Trinomial Square Explained

Anne MacMillan explains how the figure on the lid of the Trinomial Cube box corresponds to the terms of a trinomial squared [(a + b + c) squared] and differentiates a trinomial squared from a trinomial cube and the Montessori Trinomial Cube.
The Montessori Trinomial Cube is a staple of the Montessori Primary and Lower Elementary curriculum. It prepares students for future algebraic work with binomials. But what exactly is the Trinomial Cube? Learn more by following Anne and watching her Montessori playlists.
Follow Anne at www.MacMillanMontessori.com.
To learn about how the Montessori Trinomial Cube corresponds to the familiar algebraic formula (a + b + c) cubed, watch this video: • The Trinomial Cube For...
To learn more about the Montessori Triangle Cube in general, watch this playlist: • The Montessori Trinomi...
For a full introduction to the Montessori Binomial and Trinomial Cubes, watch this playlist: • The Montessori Binomia...
To learn more about the method for sharing the Trinomial Cube with children, watch Anne's Trinomial Cube presentation method video: • Montessori Trinomial C...
And to learn about the more simple Binomial Cube watch this playlist: • The Montessori Binomia...