An example of a proof Student activity Play

An image in a mirror Simulation Play

An image in a mirror Student activity Play

An interesting number Whiteboard exercise Play

An interesting number Student activity Play

An interesting result Whiteboard exercise Play

An interesting result Student activity Play

Angles of a quadrilateral Student activity Play

Angles of a quadrilateral – proof Animation Play

Anomalies in the number of sex chromosomes Illustration Play

Application of graphs Animation Play

Application of Harry's formula Whiteboard exercise Play

Applying proportion Student activity Play

Applying the quadratic formula Whiteboard exercise Play

Applying the trapezium rule for a different number of sub-intervals Whiteboard exercise Play

Approximating irrational numbers Student activity Play

Approximating square root of three Whiteboard exercise Play

Approximating square root of two Whiteboard exercise Play

Approximating surds Animation Play

Approximating surds Student activity Play

Approximation error and the number of sub-intervals Simulation Play

Approximation of the number e Whiteboard exercise Play

Approximations of irrational numbers Whiteboard exercise Play

Approximations of irrational numbers Student activity Play

Area of a square Whiteboard exercise Play