Tangents to the graph of the natural exponential function Whiteboard exercise Play

Tangents to the graph of the natural logarithmic function Whiteboard exercise Play

Tangents to the graph of the natural logarithmic function Student activity Play

Television Student activity Play

Television Slideshow Play

The angle of elevation Whiteboard exercise Play

The area of the triangle Animation Play

The bisector of a line Whiteboard exercise Play

The bisector of a line Whiteboard exercise Play

The bisector of a line Student activity Play

The centre and the radius Animation Play

The centre and the radius of a circle Student activity Play

The circle Class activity Play

The circle Whiteboard presentation Play

The circle as a locus Animation Play

The circumcentre of a triangle Student activity Play

The circumcentre of a triangle Whiteboard exercise Play

The coordinates of the marked points Whiteboard exercise Play

The coordinates of the vertex of a parabola Animation Play

The correlation coefficient Student activity Play

The correlation coefficient Animation Play

The cotangent and the cosecant Student activity Play

The derivative of the natural exponential function Student activity Play

The derivative of the natural exponential function Animation Play

The derivative of the tangent function Student activity Play