The distance travelled by a car Animation Play

The distances Whiteboard exercise Play

The Doppler effect in the animal world Student activity Play

The eclipses of Io Animation Play

The equation of a circle going through a point Student activity Play

The equation of a circle with centre at an arbitrary point Student activity Play

The equation of a circle with centre at the origin Student activity Play

The equation of the circle Student activity Play

The equation of the circle Animation Play

The force of gravity depends on the distance Whiteboard exercise Play

The force of gravity depends on the distance Student activity Play

The force of gravity depends on the distance Simulation Play

The force of interaction depends on the distance and the charges Simulation Play

The force of interaction depends on the distance and the charges Slideshow Play

The force of interaction depends on the distance and the charges Student activity Play

The formation of an image by a spherical mirror Student activity Play

The formula for the distance Simulation Play

The frequency of the wave perceived by the observer Animation Play

The general form and the factor form of a quadratic function Student activity Play

The graph of direct proportionality Student activity Play

The graph of inverse proportion Student activity Play

The graphs of the derivatives Student activity Play

The graphs representing the same distance Whiteboard exercise Play

The height of a tree Animation Play

The independence of work and distance within the gravitational field of the Earth Animation Play