Geometry, the study of shapes, sizes, and spatial relationships, is an integral part of a well-rounded education. In Montessori classrooms, this mathematical branch comes to life through a hands-on, experiential approach. In this blog post, we’ll explore the unique way Montessori education introduces and nurtures geometry, and we’ll provide sources for those who want to dive deeper into this fascinating topic.

Geometry in Montessori Education

Maria Montessori believed that children learn best through concrete experiences and exploration. This philosophy is evident in the way geometry is taught in Montessori classrooms:

1. Sensorial Materials:

Montessori classrooms are equipped with sensorial materials that introduce children to geometric concepts in a tangible way. The Geometric Cabinet, for example, features wooden shapes that children can explore, match, and trace.

2. Nomenclature:

Children are introduced to the names and attributes of shapes through nomenclature cards. These cards provide both a visual representation and the correct terminology for various geometric shapes, fostering vocabulary development.

3. Constructive Triangles:

Montessori classrooms often include Constructive Triangles, which allow children to explore geometric relationships and create intricate patterns using triangles, quadrilaterals, and other shapes.

4. Geometric Solids:

The Geometric Solids, a set of three-dimensional shapes, invite children to explore concepts such as volume, surface area, and shape properties. They can also be used to introduce the concept of congruence.

5. Exploration and Discovery:

Geometry in Montessori is not just about memorizing facts; it’s about hands-on exploration and discovery. Children are encouraged to manipulate materials, make comparisons, and draw their conclusions.

Sources for Further Reading

  1. Montessori, Maria. “The Montessori Method.” Montessori-Pierson Publishing Company, 2007.
  2. Montessori, Maria. “Dr. Montessori’s Own Handbook.” Frederick A. Stokes Company, 1914.
  3. American Montessori Society. “Geometry in the Montessori Classroom.”


In Montessori education, geometry is not an abstract concept reserved for older students; it’s an integral part of the curriculum that begins in the early years. Through sensorial materials, exploration, and discovery, children develop a deep understanding of shapes, sizes, and spatial relationships. This hands-on approach not only lays a solid foundation for mathematical thinking but also nurtures a sense of curiosity and wonder about the world of geometry. Montessori’s unique approach ensures that children don’t just learn about shapes; they actively engage with them, paving the way for a lifelong appreciation of mathematics and the beauty of geometry.