The equation of the circle with centre at an arbitrary point Whiteboard exercise Play

The equation of the tangent Animation Play

The equation of the tangent to a curve Whiteboard exercise Play

The gradient and the equation of a tangent Student activity Play

The gradient of a curve Animation Play

The gradient of a curve Student activity Play

The gradient of a curve at a point Whiteboard exercise Play

The growth curve for organisms Illustration Play

The haemoglobin dissociation curve Whiteboard exercise Play

The heating curve and the cooling curve Animation Play

The heating curve and the cooling curve Student activity Play

The length of a curve Animation Play

The length of a curve Student activity Play

The length of a curve – a satellite circles the Earth Whiteboard exercise Play

The length of a curve – the minute hand of the clock Whiteboard exercise Play

The length of a curve – the small wheel rolling along a rod Whiteboard exercise Play

The normal Whiteboard presentation Play

The normal Class activity Play

The normal to a curve Whiteboard exercise Play

The normal to a curve Student activity Play

The parabola in 3-D Animation Play

The population growth curve Whiteboard exercise Play

The reciprocal function Whiteboard exercise Play

The roots of a polynomial equation Student activity Play

The second derivative of an arbitrary rational power of  x Whiteboard exercise Play