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

How to find the quotient and the remainder Whiteboard exercise Play

Huygens' Principle Student activity Play

Huygens' principle Whiteboard exercise Play

Identities for trigonometric functions Whiteboard presentation Play

Identities for trigonometric functions Class activity Play

Inverse function of the tangent Student activity Play

Inverse trigonometric functions Class activity Play

Inverse trigonometric functions Whiteboard presentation Play

Justification of the tangent function identity Animation Play

Line that is tangent to both circles Animation Play

Linear sequences – finding the rules Whiteboard exercise Play

Linear sequences – finding the rules Student activity Play

Linear sequences – finding the rules and missing terms Whiteboard exercise Play

Localisation of the median Student activity Play

Locus Student activity Play

Looking for the formula for a trigonometric function Student activity Play

Looking for the formula for a trigonometric function Simulation Play

Miscellaneous problems Student activity Play

Money calculations Student activity Play

More about the rate of change Student activity Play

More algebraic expressions Student activity Play

More constructions Student activity Play

More on tangents Student activity Play

Mutual position of a circle and a line Student activity Play