The Geometric Cabinet is a Sensorial material used with a long series of lessons that last throughout most of the Primary years (ages 3-6) in a Montessori classroom. The cabinet contains 6 drawers, each containing 4-6 cut-out wooden shapes with knobs on top. (I’ve posted photos of each drawer in a later post.)
- Drawer 1: 6 circles, varying in diameter from 10 cm to 5 cm
- Drawer 2: 6 rectangles, varying in size from 10×10 cm to 10×5 cm
- Drawer 3: 6 different types of triangles
- Drawer 4: 6 different regular polygons (pentagon to decagon)
- Drawer 5: 4 curvilinear figures (oval, ellipse, curvilinear, triangle, quatrefoil)
- Drawer 6: 4 rectilinear figures (rhombus, parallelogram, right trapezoid, and isosceles trapezoid)
The series of lessons starts with getting familiar with the 2D shapes by tracing them and finding the matching frame, then learning the names of the shapes, then matching the shapes with cards…
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