Terms and description of the sequence Whiteboard exercise Play

Terms that depend on previous terms in a sequence Student activity Play

Terms that depend on previous terms in a sequence Whiteboard exercise Play

The nth term of a sequence Whiteboard exercise Play

The nth term of a sequence Student activity Play

The nth triangular number Animation Play

The arithmetic mean Student activity Play

The arithmetic progression Student activity Play

The arithmetic progression Whiteboard exercise Play

The binomial expansion Animation Play

The blocks Whiteboard exercise Play

The definition of a geometric sequence Student activity Play

The diagram of an arithmetic progression Student activity Play

The diagram of an arithmetic progression Whiteboard exercise Play

The difference of squares – common factor first Whiteboard exercise Play

The discriminant of a quadratic equation Student activity Play

The distance formula in 3-dimensional space Whiteboard exercise Play

The experiments with the arithmetic progression Chart Play

The expression for the nth term of the sequence Student activity Play

The expression for the nth term Class activity Play

The expression for the nth term Whiteboard presentation Play

The expression for the  nth term of the sequence Whiteboard exercise Play

The Fibonacci sequence Animation Play

The first and second ionisation energies Simulation Play

The first and second ionisation energies Animation Play