Geometrical shapes have been used in combination to create giantic crop circles in farmers fields of grain all over the world for many years.
The lines of these images are pre-colored to help children visualize the different shapes by color and see how the shapes combined create entirely new shapes.
One square combined with 4 triangles will result in one larger square, for instance. Children can experiment by taking various shapes and overlay them with circles, squares and other geometric shapes.
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