Www.primaryresources.co.uk/online/reflection.swf. Reflecting Squarely. Symmetry. Playing-with-shapes-and-patterns- Interactive Whiteboard Resource Virtual Mirror. Learning Zone Class Clips - Symmetry, lines of symmetry and reflective symmetry - Maths Video. Www.primaryresources.co.uk/maths/powerpoint/cm_3dShapes.swf. Shape3da. 2Dshapes. Positional language.