Step 7 Objective
Identify alternate and corresponding angles; understand a proof that the sum of the angles of a triangle is 180° and of a quadrilateral is 360°.
- Examples of what pupils should
know and be able to do - Probing questions
- What if pupils find
this a barrier?
What if pupils find this a barrier?
The Year 9 geometrical reasoning mini-pack has many innovative ideas to support pupils' understanding. Use the visualisation exercises to help pupils construct and mentally move images.
Use the build-ups to demonstrate geometrical proof.
Year 10 Bridging Unit Project 4: Developing Geometrical Reasoning - Microsoft word document (232Kb)