Difference of squares Student activity Play

Distance between points in 3-dimensional space Whiteboard exercise Play

Distance formula in 3-dimensional space Student activity Play

Drawing dots Whiteboard exercise Play

Drawing dots Student activity Play

Example of decreasing sequence Animation Play

Example of recursive definition Animation Play

Examples of increasing sequences Animation Play

Extending sequences Animation Play

Factorisation Animation Play

Factorising by completing the square Student activity Play

Famous sequences – part 1 Student activity Play

Fibonacci sequence Animation Play

Finding a sequence formula Whiteboard exercise Play

Finding a sequence formula Student activity Play

Finding an expression for the nth term of a sequence Whiteboard exercise Play

Finding an expression for the nth term of a sequence Student activity Play

Finding arithmetic progression Whiteboard exercise Play

Finding nth term expressions Student activity Play

Finding terms of the sequence Whiteboard exercise Play

Finding terms of the sequence Simulation Play

Finding terms of the sequence Simulation Play

Finding the arithmetic mean of the terms Whiteboard exercise Play

Finding the common ratio and the first term of the geometric series Whiteboard exercise Play

Finding the exact values of trigonometric ratios for selected angles Student activity Play