Sensor 3. The Brown Stair

Shu-Chen Yen's On-Line Montessori Albums

SENSORIAL-MOTOR ALBUM

3. THE BROWN STAIR

MATERIAL:

Ten brown prisms of the same length but differing in breadth and height. All are 20 centimeters long but he widest is ten centimeters wide and the narrowest is one centimeter wide.

PRESENTATION:

1. Bring the materials to the rug.

2. Take the biggest block and put it on the bottom left of the rug.

3. Choose the thickest block and put it in front of the previous one.

4. Continue doing the same action to the rest of blocks.

5. Disassemble the stairs, and let the child do it.

POINT OF INTEREST:

The moment at which the last prism is put in place.

CONTROL OF ERROR:

Visual disharmony.

DIRECT AIM:

Visual discrimination of dimension: breadth.

INDIRECT AIM:

Preparation for mathematics; Decimal system.

AGE:

3 years.

LANGUAGE:

Wide, narrow, wider, narrower, widest, narrowest.