Key words, identify 2D shapes, angles & lines in 2D shapes, acute, right, obtuse, straight, reflex angles, properties of 2D shapes, parallel lines in square, rectangle, rhombus & parallelogram, design own objects, identify 3D shapes, key words, three dimensional, face, prisms, pyramid, tetrahedron, group activity, constructing 3D shapes, vertex, face, edge, symmetry, infinite, lines of symmetry, rotational symmetry, viewpoints, draw 3D shapes, viewing from different viewpoints, transformatio