The gradient of a curve at a point Whiteboard exercise Play

The gradient, the intercept and the graph Simulation Play

The graph of a function Student activity Play

The graph of a function Whiteboard exercise Play

The heat of vaporisation of water Animation Play

The information from the graph Animation Play

The intersection point of the two figures Animation Play

The Kelvin scale Student activity Play

The Kelvin scale Whiteboard exercise Play

The magnification of an image Whiteboard exercise Play

The magnification of an image Student activity Play

The melting temperature of ice under pressure Whiteboard exercise Play

The midpoint of a segment Animation Play

The mouse Whiteboard exercise Play

The mouse's journey Whiteboard exercise Play

The mouse's journey Student activity Play

The notion of a half-plane Whiteboard exercise Play

The notion of a half-plane Student activity Play

The number of roots of a polynomial equation Student activity Play

The origin and 'something' Student activity Play

The origin and 'something' Whiteboard exercise Play

The perpendicular bisector Whiteboard exercise Play

The perpendicular bisector Student activity Play

The perpendicular bisector of a line segment – a reminder Student activity Play

The perpendicular bisectors Simulation Play