The sum of the exterior angles Student activity Play

The sum of the exterior angles of a convex polygon Student activity Play

The sum of the exterior angles of a convex polygon Animation Play

The two sides and an angle between them Whiteboard exercise Play

The vertex and the factor forms of a quadratic function Student activity Play

The vertex form and the factor form of a quadratic function Whiteboard exercise Play

The vertex form of the function Whiteboard exercise Play

The vertex of a parabola Student activity Play

The vertex of a parabola Whiteboard exercise Play

Three representations of a quadratic function Animation Play

Three representations of a quadratic functions Student activity Play

Three representations of a quadratic functions Whiteboard exercise Play

Triangle Animation Play

Triangles Student activity Play

Triangles and squares in coordinates Whiteboard exercise Play

Triangles – part I Student activity Play

Triangles – reminder Animation Play

Two isosceles triangles Whiteboard exercise Play

Using properties of a parabola Whiteboard exercise Play

Vertex form of a quadratic function Animation Play

Worked examples Student activity Play