Step 2 Objective
Classify polygons, using criteria such as number of right angles, whether or not they are regular, and symmetry properties.
- Examples of what pupils should
know and be able to do - Probing questions
- What if pupils find
this a barrier?
Probing questions
Show me a regular polygon. How do you know it is regular? What do you look for?
Is this polygon regular? (Show a shape with equal sides but not equal angles.) Why not?
Show me a polygon that is regular and has at least one right angle. Are there any others?