Sensor 20. The Geometric Solids

Shu-Chen Yen's On-Line Montessori Albums

SENSORIAL-MOTOR ALBUM

20. THE GEOMETRIC SOLIDS

MATERIAL:

A basket; ten geometric solids as follows: sphere, cube, cone, cylinder, rectangular prism, triangular prism, square-based pyramid, triangular based pyramid, ovoid, ellipsoid.

PRESENTATION:

1. Use Three Period Lessons to tell child the name of these solids and let the child feel it.

2. When the child know these solids' names, begin your sensory presentation.

3. Tell the child that "I am going to show you how to work with this Geometric Solids".

4. Ask the child to close his eyes or use blind folder to cover the child's eyes.

5. Give the child a shape and let him feel by hands.

6. Ask the child which shape is in his hand.

7. Continue doing the same to all of the shapes.

8. If the child forget the names of the solids, give him Three Period Lessons.

POINT OF INTEREST:

The enjoyment of feeling the shape of the solid.

CONTROL OF ERROR:

The material does not have an intrinsic control of error.

DIRECT AIM:

Visual and tactile discrimination of solid forms.

INDIRECT AIM:

Preparation for geometry.

AGE:

2-1/2 years.

LANGUAGE:

Sphere, cube, cylinder, cone, rectangular prism, triangular prism, square-based pyramid, triangular- based pyramid, ovoid, ellipsoid.