Construction of a circle with the diameter Animation Play

Construction of a regular pentagon Animation Play

Diffraction Animation Play

Diffraction Student activity Play

Diffraction grating Animation Play

Diffraction grating Student activity Play

Distance covered by a machine wheel Whiteboard exercise Play

Distance covered by a point on the rim of the wheel Whiteboard exercise Play

Distance covered in subsequent seconds Animation Play

Does zero in the denominator mean a vertical asymptote? Whiteboard exercise Play

Does zero in the denominator mean a vertical asymptote? Student activity Play

Drawing a square inscribed in a circle Student activity Play

Drawing a square inscribed in a circle Whiteboard exercise Play

Electromagnetic wave polarised vertically Illustration Play

Equal segments Animation Play

Exercises about the equation of the circle with centre at an arbitrary point Student activity Play

Existence of a vertical asymptote Animation Play

Eye’s optics Slideshow Play

Famous figures bounded by semicircles Student activity Play

Famous figures bounded by semicircles – arbelos Whiteboard exercise Play

Figures in the Cartesian coordinate system Student activity Play

Finding vertical and supplementary angles Whiteboard exercise Play

Forces affecting an element of a string Student activity Play

Forces exerted on a segment of a string Animation Play

Fresnel lens Animation Play