Finding the number of common points of the coordinate axes and the circle Whiteboard exercise Play

Finding the radius and the centre of a circle Whiteboard exercise Play

Finding the radius of a circle Whiteboard exercise Play

Forces that can act as a centripetal force Animation Play

Forces that can act as a centripetal force Whiteboard exercise Play

Forces that can act as a centripetal force Student activity Play

Formula for centrifugal force Whiteboard exercise Play

Fractions with the same denominators Student activity Play

Fractions with the same denominators Whiteboard exercise Play

Generating patterns Whiteboard exercise Play

Geometric problems Student activity Play

Getting the exact value Animation Play

Hidden circles Student activity Play

Hidden circles Whiteboard exercise Play

How far is the horizon? Student activity Play

How far is the horizon? Whiteboard exercise Play

How to construct a regular hexagon Animation Play

How to construct an isosceles triangle Student activity Play

How to construct 'Yin Yang' Animation Play

How to find the equation of a tangent from a point to a circle? Animation Play

Impossible constructions Animation Play

Inscribed and central angles Whiteboard presentation Play

Inscribed and central angles Class activity Play

Inscribed and not inscribed angles Whiteboard exercise Play

Inscribed angle in a semicircle Whiteboard exercise Play