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 area under a curve Whiteboard presentation Play

Approximation of the number e Whiteboard exercise Play

Approximations of irrational numbers Whiteboard exercise Play

Approximations of irrational numbers Student activity Play

Arithmetic mean Animation Play

Arithmetic mean – 'balancing point' of the data Student activity Play

Arrangements Student activity Play

Arranging metals according to their increasing reducing power Student activity Play

Arranging metals according to their increasing reducing power Simulation Play

Assigning electrons to atomic orbitals Student activity Play

Astronomical numbers Animation Play

Atomic number Student activity Play

Atomic number Animation Play

Atomic number Whiteboard exercise Play

Atomic number and mass number Student activity Play

Atomic numbers and mass numbers of the elements Animation Play

Attraction only Student activity Play

Attraction only Whiteboard exercise Play