The flow of charge through a conductor Animation Play

The flow of charge through an insulator Animation Play

The force of attraction Animation Play

The formula and the graph Student activity Play

The general form of the equation of a straight line Student activity Play

The gradient and the y-intercept of a straight line Whiteboard exercise Play

The gradient and the equation of a tangent Student activity Play

The gradient and the intercept Whiteboard exercise Play

The gradient and the intercept Whiteboard exercise Play

The gradient function Student activity Play

The gradient function Whiteboard exercise 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 gradient of a line Student activity Play

The gradient of a line Whiteboard exercise Play

The gradient of a line perpendicular to the  x-axis Animation Play

The gradient of a straight line Whiteboard exercise Play

The gradient of a straight line Student activity Play

The gradient of the cotangent function Simulation Play

The gradient of the monomial Whiteboard exercise Play

The gradient of the road Whiteboard exercise Play

The gradient of the tangent function Simulation Play

The gradient of the tangent to the natural exponential function Whiteboard exercise Play

The gradient, the intercept and the graph Simulation Play