1. GCSE: Solids, Plans and Elevation
Dr J Frost
Last modified: 23rd February 2016

2. Symmetry This shape has 5 lines of symmetry. ?
This square prism has planes of symmetry. ? ?

3. Planes of Symmetry
Copy these diagrams into your books, and copy and complete the sentences.
A cube has planes of symmetry. ?
A cylinder has ∞ planes of symmetry. ?
A half cylinder has 2 planes of symmetry. ?
This solid has planes of symmetry. ?

4. ! Plan Front elevation Side elevation Front Elevation Side Elevation
Get students to sketch axes and tables in their books.

5. Front Elevation
Side Elevation
Plan ! ? ? ?

6. 3D sketch
Can we do the opposite: draw a 3D sketch given the plan and elevations? ?
Side elevation
Plan
Front elevation

7. 3D sketch
Can we do the opposite: draw a 3D sketch given the plan and elevations? ?
Side elevation
Plan
Front elevation
(Then challenge your neighbour! Draw the side elevation, plan and front elevation for them)

8. Exercises
On provided sheet.