Perhaps, of all the Montessori apparatus, the Math
Materials are the most glamorous. They are beautiful, showy, and in their simplicity supremely intelligent.
They give the children a sensorial experience of the abstraction that is mathematics, allowing them to store
concepts so that when the time comes to deal exclusively in abstract terms, the understanding is already
there.

Before the children begin to work with the Math
Materials, they are well prepared. The Exercises of Practical Life have given them the opportunity to
develop logical and sequential thought patterns. The logical order of the Practical Life activities has been
complemented by the mathematical order inherent in the Sensorial Materials. These materials allow the
children to work with the quantities 1 to 10 in several dimensions and with the Math Materials, they are
given their numerical value.

The Montessori Materials offer a clear example of
indirect preparation, a principle that is rooted in the child's natural manner of learning.

With the mathematical apparatus, every piece of material
isolates one concept, and these isolated concepts integrate to form the basis for a further step in the
development of the child's mathematical understanding.

Among other areas of indirect preparation, in this
series of exercises, the children are presented with the four operations in concrete form. When doing
addition, multiplication, subtraction and division, they literally carry and borrow and change the
quantities involved. As they put them together and take them apart, they perceive unconsciously the
interplay of the numbers, which prepares them, at a later stage, to explore and memorize addition,
subtraction, multiplication and division tables with another series of exercises which again isolate the
particularities of each operation.

They have now reached a new plane of development, and
they will consciously pursue the exploration of mathematics in a manner appropriate to the characteristics
of their age. The transitional materials are a means that will help them function in this dimension,
representing, as it were, the end of the runway where the child's luminous, adventurous mind can take off to
explore the untold reaches of the mathematical sciences.

Contents Covered:

- Numbers
- Addition
- Subtraction
- Multiplication
- Division
- Measurement
- Fractions
- Clock

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