The geoboard is a very
interesting didactic resource to work in the geometry, since it
serves us to introduce the geometric concepts in a manipulative way. With it we
also can discover the properties of the polygons or even to solve
mathematical problems, to learn the areas, perimeters,…
it is definitively a very useful resource to learn mathematics.
The
geoboard was created by the Egyptian mathematician Caleb Gattegno in 1960,
who was looking for a method to teach the geometry in a more didactic way.
Although nowadays the majority of geoboards are made of plastic,
the original one consisted in a square board of wood with nails forming a
plot.
The
method is very easy: we just need a rubber band and the children need to hook it to the nails to form geometric figures and to observe the
area of polygons, for example.
For pupils between 3-7
years, this tool is very interesting to learn different
concepts. In these ages the geometry should not be studied, but experimented. A good way to experiment is allowing them to promote their creativity.
That is to say, allowing that the child freely explores his or her environment, without a specific goal. Perhaps they can discover the basic concepts and polygons, comparing different geometric forms, size and
lenghts… In the following video we
can observe how 6-7 yeared-ol children learn freely, form horizontal and vertical
lines, etc.
Since they are 7 years old, the children
can create complex plygons, classify them, recognize the basic elements
of polygons (vertex, side and angle), observe the symmetry,
calculate the perimeter and area of a polygon, solve the mathematical problems…
In the next video we can see how it calculates the area of different polygons.
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