Developing geometric reasoning

What are we learning?

Understand and use the sum of angles at a point

Understand and use the sum of angles on a straight line

Understand and use the equality of vertically opposite angles

Know and apply the sum of angles in a triangle

Know and apply the sum of angles in a quadrilateral

Solve angle problems using properties of triangles and quadrilaterals

Solve complex angle problems

Find and use the angle sum of any polygon (H)

Investigate angles in parallel lines (H)

Understand and use parallel line angles rules (H)

Use known facts to obtain simple proofs (H)