F-10 Curriculum (V8)
F-10 Curriculum (V9)
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Students identify transformations, and rotational and line symmetry, in regular and irregular polygons, and use transformations and symmetry to make a tessellating shape.
An interactive applet in which students classify triangles as isosceles, scalene and equilateral.
Are triangles really the strongest shapes ever? If so, why? Learn how and why right-angled and equilateral triangles have been used in engineering, architecture and design through the ages.