The Children's House Montessori Daycare

Knobbed Cylinders

Visual Sense
Discrimination of Size
Matching

Materials:
Four blocks, each containing ten cylinders or 5 cylinders with knobs, with each cylinder fitting into its respective hole in a given block. The four blocks, varying in one, two, or three dimensions, form the following graduation of exercises from easy to difficult, simple
to complex.

#1 The cylinders are equal in height, but decrease in diameter.
Two dimensions vary: length and width.
#2 The cylinders decrease in height and diameter.
Three dimensions vary: length, width, and height.
#3 The cylinders increase in height while decreasing in width.
Three dimensions vary: length, width, and height.
#4 The cylinders are equal in width, but decrease in height.
One dimension varies: height.

Direct:

Development of concentration, order, coordination, and independence.
Responds to the sensitive need for order in the child.
Encourages problem-solving techniques.

Indirect:
Education of voluntary movement.
Preparation for writing in holding a pencil.
Preparation of the mathematical mind.
Ten cylinders as a preparation for the decimal system. (The one on this photo has only 5 cylinders)

Control of Error
Each cylinder will fit in its proper place only.