Sensor 10. Geometric Cabinet

Shu-Chen Yen's On-Line Montessori Albums

SENSORIAL-MOTOR ALBUM

10. GEOMETRIC CABINET

MATERIAL:

A cabinet with six drawers which contain:

1. Circles

2. Rectangles

3. Triangles--i.e., equilateral, isosceles right-angled, isosceles acute-angled, isosceles obtuse-angled, scalene right-angled, scalene obtuse-angled.

4. Polygons--i.e., pentagon, hexagon, heptagon, octagon, nonagon, decagon.

5. Curvilinear figures--i.e., oval, ellipse, quatrefoil, and curvilinear triangle.

6. Irregular figures--i.e., rhombus, parallelogram, trapezoid, trapezium.

PRESENTATION:

1. Bring one tray of Geometric tray to the rug.

2. Tell the child that you are going to work with these shapes.

3. Take the shapes apart and put them on the rug randomly.

4. Pick up one shape and trace it by any of your 2 fingers.

5. Feel the frame by any of your 2 finger.

6. Continue doing the same action to the rest of the shapes.

POINT OF INTEREST:

Feeling the form with the fingers; the moment at which the inset enters into its frame.

CONTROL OF ERROR:

If the inset does not fit perfectly into the frame.

DIRECT AIM:

Visual discrimination of form.

INDIRECT AIM:

Preparation for geometry; preparation for writing.

AGE:

3 years.

LANGUAGE:

The names of the figures (as given above in Material).