Sport and Geometry are directly related in many ways, therefore, sport is one of the best ways to introduce basic Geometry in Primary School as long as it is done in the right way: by doing sport, children get used to being in contact with a lot of different geometrical figures.
In any sport or warm-up exercise, both the materials and the facilities that are needed have geometric shapes, for example: the ropes, the hoops, the balls, the rackets and even the shapes that make the lines that delimit the different spaces within the field of play, as, for example, happens in football:
Geometry in football is also used on numerous occasions to measure the pitch, to know the correct angle to shoot the ball, to know the volume of the goals, to measure the perimeter of the field...
As we all know, to play this sport, you need a pitch, which must have a rectangular shape, and all football pitches must have a similar symmetry.
Within this football field, as I have mentioned before, lines must be drawn to represent the areas and the front of the area delimited by a semicircle. You can see how Geometry is very present in this case, as without it these divisions could not be made on the pitch.
Continuing with this topic, we can observe Geometry in the way the game itslef is played, in the strategies that are carried out to try to score a goal against the opposing team.
Geometric figures are formed when several players move or pass the ball, and, as well as producing these figures, when playing this sport, it is necessary to take up positions parallel to their teammates, in order to leave the opponent in an illegal position, or even to narrow the field to try to steal the ball and start the counter-attack.
Now, let's talk about the well-known and iconic ball of this sport.
If you look at one of these balls, you will notice that it is not a sphere but a polyhedron that, when inflated with air, takes on a rather spherical shape. It is an Archimedean polyhedron, a polyhedron because it is the one obtained when we cut the 20 corners of an icosahedron at equal distances from each vertex (each cut is one third of the edge). It is formed by 20 regular hexagons and 12 regular pentagons; and it has 90 edges.
A football ball will be better the closer it is to being a perfect sphere. In that case, it will have more balance in its trajectory and allow footballers to be more accurate in their passing and shooting.
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